# OneSignal OneSignal declares [8 subprocessors](https://thirdpartyindex.com/vendors/onesignal#subprocessors) in [its subprocessor list](https://onesignal.com/list-of-subprocessors), which we last checked on 2026-11-11 ([evidence](https://thirdpartyindex.com/evidence/37277)). They include [Cloudflare](https://thirdpartyindex.com/vendors/cloudflare), [Twilio](https://thirdpartyindex.com/vendors/twilio) and [Intercom](https://thirdpartyindex.com/vendors/intercom). No published changes since we first read it on 2026-10-03. [16 tracked vendors](https://thirdpartyindex.com/vendors/onesignal#used-by) name OneSignal as a subprocessor, including [Atlassian](https://thirdpartyindex.com/vendors/atlassian), [Bitbucket](https://thirdpartyindex.com/vendors/bitbucket) and [Jamf](https://thirdpartyindex.com/vendors/jamf). OneSignal (onesignal.com): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index. - Page: https://thirdpartyindex.com/vendors/onesignal - Documents last verified: 2026-11-11 - Transparency rating: 90/100 (how much it publishes, not how secure it is): Subprocessor list 30/30; Processing locations 8/8; Purposes 7/7; Data processing addendum 12/12; Trust center 8/8; Privacy policy 6/6; security.txt 6/6; Security page 0/5 (not found); Status page 5/5; Vulnerability disclosure 0/5 (not found); Pages still reachable 8/8 - Supply chain: relies on 7 tracked vendors directly, 93 within two hops, 372 within three; 16 tracked vendors rely on it directly, 474 within two hops, 1537 within three - Cite as: OneSignal, Third Party Index, https://thirdpartyindex.com/vendors/onesignal (data CC BY 4.0) ## Documents | Document | URL | Last verified | Last changed | |---|---|---|---| | Trust center | https://app.conveyor.com/profile/onesignal | 2026-11-11 | 2026-11-11 | | Subprocessor list | https://onesignal.com/list-of-subprocessors | 2026-11-11 | 2026-10-03 | | Data processing addendum | https://onesignal.com/dpa | 2026-11-11 | 2026-09-21 | | Privacy policy | https://onesignal.com/privacy | 2026-11-11 | 2026-09-21 | | Terms | https://onesignal.com/tos | 2026-11-11 | 2026-09-21 | | security.txt | https://onesignal.com/.well-known/security.txt | 2026-11-11 | 2026-09-21 | | Status page | https://status.onesignal.com/ | 2026-11-11 | 2026-11-10 | ## Subprocessors (8) As its own list states them. | Subprocessor | Purpose | Location | Listed since | |---|---|---|---| | [Census Inc.](https://thirdpartyindex.com/vendors/census.md) | Custom events integration and Data Lake Provider | USA | 2026-10-03 | | [Cloudflare Inc.](https://thirdpartyindex.com/vendors/cloudflare.md) | Content delivery and internet security | USA | 2026-10-03 | | [Filestack Inc.](https://thirdpartyindex.com/vendors/filestack.md) | Upload files into API | USA | 2026-10-03 | | Google Inc. UPDATED | Cloud hosting; OneSignal AI feature inference via Gemini Enterprise Agent Platform (GEAP); AI conversation quality review and logging via Google BigQuery (retained up to 90 days) | Netherlands (europe-west4); USA | 2026-10-03 | | [Intercom Inc.](https://thirdpartyindex.com/vendors/intercom.md) | Customer support requests | USA | 2026-10-03 | | [Mailgun Inc.](https://thirdpartyindex.com/vendors/mailgun.md) | Email delivery provider | USA | 2026-10-03 | | [Rollbar Inc.](https://thirdpartyindex.com/vendors/rollbar.md) | Product bug tracking | USA | 2026-10-03 | | [Twilio Inc.](https://thirdpartyindex.com/vendors/twilio.md) | SMS/MMS delivery provider | USA | 2026-10-03 | Read from ([evidence](https://thirdpartyindex.com/evidence/37277)). CSV: https://thirdpartyindex.com/vendors/onesignal/subprocessors.csv ## Web Technologies OneSignal's homepage made 170 requests to 42 domains, 23 services controlled by another company, and 4 domains not identified. Loaded on 2026-11-03 by a browser that accepted nothing; other visits may load more or less. What a page loads is not a list of who receives customer data. 23 third parties by category: Analytics 8 (Adobe, LinkedIn, Meta, UserGems, G2.com, Leadfeeder, Quora, RB2B); Advertising 5 (Google Cloud, Microsoft, OpenAI, Podscribe, Reddit, Inc.); CDN 2 (UNPKG, jsDelivr); Live chat 1 (reviewed: Intercom); Geolocation 1 (ipdata); Issue trackers 1 (Sentry); JavaScript libraries 1 (Cloudflare); Security 1 (ClickCease™); Surveys 1 (reviewed: Maze); Video players 1 (Wistia); Widgets 1 (Navattic). Each company that appears controlled by another organization is counted once, under the main category of the technologies detected from it on this homepage or, when none was, the category recorded from the company's own page (marked reviewed) or else the one it is usually detected as on other published homepages (marked as such); unclassified: none of these. ### Third parties (23) - Wistia: 19 requests to wistia.com; Wistia - Google Cloud: 17 requests to google.com, doubleclick.net, googletagmanager.com, gstatic.com, fonts.googleapis.com; DoubleClick Floodlight, Google Analytics, Google Tag Manager - Intercom: 15 requests to intercomcdn.com, intercom.io (its subprocessor list names it too) - Adobe: 9 requests to bizible.com, marketo.net, bizibly.com, mktoresp.com; Adobe Marketo Measure, Marketo - Microsoft: 9 requests to clarity.ms, bing.com; Microsoft Advertising - UNPKG: 8 requests to unpkg.com; LottieFiles, Unpkg - Cloudflare: 7 requests to cloudflare.com; Highlight.js, Popper 1.14.7, cdnjs, jQuery 3.6.0 (its subprocessor list names it too) - jsDelivr: 4 requests to jsdelivr.net; Bootstrap 4.6.2, jsDelivr - LinkedIn: 3 requests to linkedin.com, licdn.com; Linkedin Insight Tag - Maze: 3 requests to maze.co - Meta: 3 requests to facebook.net, facebook.com; Facebook Pixel 2.9.433 - Navattic: 3 requests to navattic.com; Navattic - OpenAI: 3 requests to openai.com; ChatGPT Ads Measurement Pixel - Podscribe: 3 requests to pdscrb.com, d34r8q7sht0t9k.cloudfront.net; Podscribe - Reddit, Inc.: 3 requests to reddit.com, redditstatic.com; Reddit Ads - UserGems: 3 requests to usergems.com; UserGems - G2.com: 2 requests to g2.com, g2crowd.com; G2 Track Your Prospects - Leadfeeder: 2 requests to lfeeder.com; Leadfeeder - Quora: 2 requests to quora.com; Quora Pixel - ClickCease™: 1 request to clickcease.com; ClickCease - RB2B: 1 request to ddwl4m2hdecbv.cloudfront.net; RB2B - Sentry: 1 request to sentry-cdn.com; Sentry 9.6.1 - ipdata: 1 request to ipdata.co; ipdata ### Unknown (4) Domains not identified yet: smart-company365.com, pocustrack.com, usbrowserspeed.com, ug-webapp-public-production.s3.amazonaws.com ### First party (1) - OneSignal: 40 requests to onesignal.com; Cloudflare, Cloudflare Rocket Loader, Craft CMS, Google Cloud, Google Cloud CDN, Google Font API, HSTS, HTTP/3, HockeyStack, Intercom, Microsoft Clarity, OneSignal, Open Graph, PHP, PWA, PostHog, Priority Hints, SEOmatic, Swiper, Yii, core-js 3.47.0 16 tracked companies loaded by the homepage are not in OneSignal's subprocessor list. A website can use a service without it processing customer data. ## Subprocessor of (16) Tracked vendors whose own subprocessor lists name it, and what they say they use it for. - [Archie](https://thirdpartyindex.com/vendors/archie.md): Mobile Push notifications - [Atlassian](https://thirdpartyindex.com/vendors/atlassian.md): Communications technology provider for mobile product notifications and video sharing - [Bitbucket](https://thirdpartyindex.com/vendors/bitbucket.md): Communications technology provider for mobile product notifications and video sharing - [Capacity](https://thirdpartyindex.com/vendors/capacity.md): Delivers mobile and web push notifications to end users for engagement and alerting within Capacity.; Push notification delivery - [Hibob](https://thirdpartyindex.com/vendors/hibob.md) - [InMotion Hosting](https://thirdpartyindex.com/vendors/inmotion-hosting.md): Send web push notifications - [Jamf](https://thirdpartyindex.com/vendors/jamf.md): Push notifications - [Keka](https://thirdpartyindex.com/vendors/keka-com.md): Push notification service used to deliver mobile notifications to users. - [OfficeRnD](https://thirdpartyindex.com/vendors/officernd.md): Mobile Push notifications - [Otter Meeting Agent](https://thirdpartyindex.com/vendors/otter-meeting-agent.md): Customer engagement and push notifications. - [Paved](https://thirdpartyindex.com/vendors/paved.md): Push Notifications - [Sibme](https://thirdpartyindex.com/vendors/sibme.md): Push Notification Services - [SmartTask](https://thirdpartyindex.com/vendors/smarttask.md): Web push notifications - [Statuspage](https://thirdpartyindex.com/vendors/statuspage.md): Communications technology provider for mobile product notifications and video sharing - [Superchat](https://thirdpartyindex.com/vendors/superchat.md) - [Trengo](https://thirdpartyindex.com/vendors/trengo.md): Mobile Push Notification Service ## Service status Incidents it reported on its own status page. - Last 90 days: 5 reported incidents (2 major or critical, 3 minor, 0 with no impact stated) - Typical time to resolve: 4 min - Status page last read: 2026-11-11 - 2026-11-09: OneSignal AI Chat Service Interruption (minor) - 2026-10-20: Intermittent incomplete data in the dashboard and API reads for a subset of apps (starting with app id with 0) (minor) - 2026-09-30: Database incident - impacting app IDs starting with e (minor) - 2026-09-22: Subscription API - Creation Failures (major) - 2026-09-18: Intermittent errors on /api/v1/notifications api (major) - 2026-08-04: Apple push notifications failing in about 3% of cases (major) - 2026-07-30: Message events on user and subscription profiles slow and timing out (minor) - 2026-07-20: Issue has been identified (no impact stated) ## Incidents reported by OneSignal's subprocessors Incidents reported in the last 30 days on their own status pages by 4 vendors OneSignal lists as subprocessors. A subprocessor list names a company, not the service an incident touched. - 2026-11-11: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from Twilio to MTS Kazakhstan (minor) - 2026-11-11: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Failures from a Subset of Twilio Phone Numbers to Tcell Tajikistan (minor) - 2026-11-11: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to Multiple Networks in United States (minor) - 2026-11-11: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Failures from a Subset of Twilio Phone Numbers to K-Cell Kazakhstan (minor) - 2026-11-11: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Failures in JP1 (minor) - 2026-11-11: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Failures from Twilio to Turkcell Turkey (minor) - 2026-11-11: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Retroactive Incident Impacting Twilio Usage APIs (no impact stated) - 2026-11-10: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Issue resolved (minor) - 2026-11-10: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio Phone Numbers to Movistar Venezuela (minor) - 2026-11-10: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Gateway API (Lookup API) Failure Increase on Verizon in United States (minor) - 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported WhatsApp Business API Message Send Failures (minor) - 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to Chile (minor) - 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Audio Quality Degradation, Silent and One-Way Audio between Twilio and Multiple Networks in United Kingdom (minor) - 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs and Long Codes to Multiple Networks in Italy (minor) - 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Spusu United Kingdom (minor) - 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Bouygues Telecom France (minor) - 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Failures from Network Subscribers in Germany to a Subset of Twilio Long Codes (minor) - 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Failures from Twilio to ETL Laos (minor) - 2026-11-08: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Failures from Twilio to MTN Nigeria (minor) - 2026-11-08: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EnStream in Canada (minor) - 2026-11-07: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Globe Philippines (minor) - 2026-11-07: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Long Codes and Short Codes to Multiple Networks in United States (minor) - 2026-11-07: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from Twilio to Multiple Networks in India (minor) - 2026-11-07: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Multiple Networks in New Zealand (minor) - 2026-11-06: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Long Codes to Multiple Networks in Chile (minor) - 2026-11-06: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from Twilio to Claro Dominican Republic (minor) - 2026-11-06: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported TwiML ConversationRelay Documents Page Error (minor) - 2026-11-06: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to Chile (minor) - 2026-11-06: [Intercom](https://thirdpartyindex.com/vendors/intercom#status), which OneSignal lists as a subprocessor, reported Elevated errors and latencies in the European hosting region. (major) - 2026-11-06: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Audio Quality Degradation from a Subset of Twilio Mobile Numbers to Claro Colombia (minor) - 2026-11-06: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Notification Logs Unavailable in Console (minor) - 2026-11-06: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays Between Twilio and T-Mobile in Czech Republic (minor) - 2026-11-05: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Silent and One-Way Audio between a Subset of Twilio Phone Numbers and Multiple Networks in Colombia (minor) - 2026-11-05: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Liberty Puerto Rico (minor) - 2026-11-05: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Failures from Twilio Phone Numbers to Lycamobile France (minor) - 2026-11-05: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Failures From a Subset of Twilio Mobile Numbers to Argentina (minor) - 2026-11-05: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Post Dial Delay from a Subset of Twilio Canada Phone Numbers to Rogers Wireless and Fido Canada (minor) - 2026-11-04: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Search Delays on Enterprise Knowledge (minor) - 2026-11-04: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Delayed Email Validation History (minor) - 2026-11-04: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from Twilio to Claro Brazil (minor) - 2026-11-04: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from Twilio to Algar Telecom Brazil (minor) - 2026-11-04: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported MMS Delivery Failures from a Subset of Twilio Long Codes to GCI United States (minor) - 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to Multiple Small Networks in United States (minor) - 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported MMS Delivery Receipt Delays and Delivery Delays from a Subset of Twilio Long Codes and Short Codes to AT&T United States (minor) - 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported MMS Delivery Delays and Failures from a Subset of Twilio Short Codes to T-Mobile and Verizon United States (minor) - 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes and Long Codes to Brisanet Brazil (minor) - 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to Multiple Small Networks United States (minor) - 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from Twilio to Entel Bolivia (minor) - 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from Twilio to Lycamobile United Kingdom (minor) - 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Audio Quality Degradation from a Subset of Twilio Phone Numbers to Multiple Networks in United States (minor) - 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported RateQueue Host Down Did Not Recover (minor) - 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Media Streams Audio Delays (minor) - 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Claro Puerto Rico (minor) - 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Liberty Puerto Rico (minor) - 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call One-Way Audio from Brazil to a Subset of Twilio Numbers (no impact stated) - 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Some Customers May Have Incorrect Balances Reflected on Their Account (minor) - 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio Alphanumeric Sender Type to T-Mobile Austria (minor) - 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Long Codes to T-Mobile and O2 Czech Republic (minor) - 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects on XL Axiata in Indonesia (minor) - 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Failures From a Subset of Twilio Philippines Phone Numbers to Multiple Networks in Philippines (minor) - 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Google Voice United States (minor) - 2026-11-01: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Failures from Twilio to KDDI Japan (minor) - 2026-10-30: [Intercom](https://thirdpartyindex.com/vendors/intercom#status), which OneSignal lists as a subprocessor, reported Slow Fin Procedures (minor) - 2026-10-30: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects and Gateway API (Lookup API) High Latency on KPN in Netherlands (minor) - 2026-10-30: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects on Smart in Philippines (minor) - 2026-10-30: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Automated Alert: Minimal Customer Impact (no impact stated) - 2026-10-30: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS and MMS Delivery Delays from Twilio to Altice United States (minor) - 2026-10-29: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Multiple Networks in Multiple Countries Across Africa and Asia (minor) - 2026-10-29: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Phone Numbers to Vivo Brazil (minor) - 2026-10-29: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Gateway API (Lookup API) Failure Increase on Verizon in United States (minor) - 2026-10-29: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Flex Agent Copilot Note Generation Issues (minor) - 2026-10-29: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to T-Mobile United States (minor) - 2026-10-29: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported MMS Delivery Receipt Delays from a Subset of Twilio Short Codes to T-Mobile United States (minor) - 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Link Shortening Redirect Errors on Branded Domains (minor) - 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Long Codes to Orange Belgium (minor) - 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EE in United Kingdom (minor) - 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Possible 503 Errors for Messaging Traffic in the Australia Region (minor) - 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase on Indosat in Indonesia (minor) - 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to MTC Namibia (minor) - 2026-10-28: [rollbar](https://thirdpartyindex.com/vendors/rollbar#status), which OneSignal lists as a subprocessor, reported Increased occurrence processing pipeline latency (minor) - 2026-10-28: [Mailgun](https://thirdpartyindex.com/vendors/mailgun#status), which OneSignal lists as a subprocessor, reported Route delays in EU Region (minor) - 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Twilio Console Errors (no impact stated) - 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Elevated 500 Errors Affecting Programmable Voice API (no impact stated) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from Twilio to Surf Telecom Brazil (minor) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays and Failures between a Subset of Twilio Long Codes and Multiple Networks in Portugal (minor) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Failures From a Subset of Twilio Phone Numbers to Argentina (minor) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Elevated 500 Errors Affecting Programmable Messaging API (no impact stated) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to C-Spire United States (minor) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Automated Alert: Minimal Customer Impact (no impact stated) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Failures from Twilio Mobile Numbers to Israel (minor) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Gateway API (Lookup API) Failure Increase on Three in United Kingdom (minor) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States (minor) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Turkcell Turkey (minor) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to Germany (minor) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Long Codes to AT&T United States (minor) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays and Failures between a Subset of Twilio Long Codes and Multiple Networks in South Africa (minor) - 2026-10-26: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Failures From a Subset of Twilio Phone Numbers to Multiple Networks in Brazil (minor) - 2026-10-26: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported MMS Delivery Delays and Failures from a Subset of Twilio Long Codes to Cellcom United States (minor) - 2026-10-26: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Docomo Pacific United States (minor) - 2026-10-26: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported WhatsApp Sandbox Sending Configuration Issues (minor) - 2026-10-26: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Mauritel Mauritania (minor) - 2026-10-26: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Failures from Twilio Phone Numbers to Digi Mobil Romania (minor) - 2026-10-26: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from Twilio to Cellcom Israel (minor) - 2026-10-25: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from Twilio to Telcel Mexico (minor) - 2026-10-25: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Claro Brazil and Puerto Rico (minor) - 2026-10-25: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from Twilio to Telia Sweden (minor) - 2026-10-25: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from Twilio to Airtel Nigeria (minor) - 2026-10-24: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Azure Marketplace SendGrid Customers Experiencing Account Management Issues (minor) - 2026-10-24: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects and Gateway API (Lookup API) Failure Increase in Netherlands (minor) - 2026-10-24: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to C-Spire United States (minor) - 2026-10-24: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects on Vodafone in United Kingdom (minor) - 2026-10-24: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Failures and Post Dial Delay From a Subset of Twilio Phone Numbers to United States (minor) - 2026-10-24: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from Twilio to WOM Colombia (minor) - 2026-10-24: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from Twilio to Claro Costa Rica (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Failures from Network Subscribers to Twilio Costa Rica Landline Numbers (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes and Long Codes to Claro Brazil (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Failures from Twilio to Multiple Networks in South Africa (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Phone Numbers to Telefonica Nicaragua (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Post Dial Delay from Twilio Phone Numbers to Chile (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes and Long Codes to Appalachian Wireless United States (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Liberty Mobile Puerto Rico (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Multiple Networks in United States and Canada (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Telecall Brazil (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Claro Colombia (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from Twilio to Surf Telecom Brazil (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays between a Subset of Twilio Phone Numbers and Multiple Networks in Brazil (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to Viaero United States (minor) - 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Issue with 500 Errors on Porting Request Submissions (minor) - 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Issue with Realtime Transcriptions and Deepgram (no impact stated) - 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Intelligent Alerts Delivery Issues (minor) - 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Hosted Number Verification Calls not Reaching Customers (minor) - 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Malitel Mali (minor) - 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported RCS Inbound Events Delayed (minor) - 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Billing Delays (no impact stated) - 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from Twilio to MTN Nigeria (minor) - 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects and Gateway API (Lookup API) Failure Increase in Netherlands (minor) - 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Cellularone NE Arizona United States (minor) - 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender Type to Jazz Pakistan (minor) - 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio Short Codes to Multiple Networks in India (minor) - 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Failures from United Kingdom to a Subset of Twilio Long Codes (minor) - 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Customer's Unable to Create New Requests for Hosting and Porting (minor) - 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from Twilio to Orange France (minor) - 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Post Dial Delay From a Subset of Twilio Phone Numbers to Israel (minor) - 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from Twilio to T-Mobile Czech Republic (minor) - 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender IDs to United Arab Emirates (minor) - 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Telnyx United States (minor) - 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Issue with Flex Agent Copilot Auto Wrap-up Notes (minor) - 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Phone Numbers to Telstra Australia (minor) - 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported WhatsApp Embedded Signup Configuration Failures (minor) - 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Failures from Twilio Phone Numbers to Digi.Mobil Romania (minor) - 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase on AT&T in United States (minor) - 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Failures from Network Subscribers to a Subset of Twilio Thailand Phone Numbers (minor) - 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States (minor) - 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to Telus Canada (minor) - 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported RCS Delivery Receipt Delays for AT&T (minor) - 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays and Failures between a Subset of Twilio Long Codes and Multiple Networks in Italy (minor) - 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to Portugal (minor) - 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Failures and Post Dial Delay from a Subset of Twilio Mobile Numbers to Brazil (minor) - 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Failures from a Subset of Callers to Twilio Denmark Phone Numbers (minor) - 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Surf Telecom Brazil (minor) - 2026-10-18: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Brisanet Brazil (minor) - 2026-10-17: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Failures from Twilio Alphanumeric Sender Type to Multiple Networks in Turkey (minor) - 2026-10-17: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported 5300 Errors on Singapore Client Edge (minor) - 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported On Call Engineers are Investigating Errors with the Virtual Phone in Legacy Console (no impact stated) - 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes and Long Codes to Multiple Networks in Colombia (minor) - 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Delayed A2P Campaign Approvals (minor) - 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs and Long Codes to Multiple Networks in Czech Republic (minor) - 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Verizon United States (minor) - 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Brisanet Brazil (minor) - 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Post Dial Delay from a Subset of Twilio Phone Numbers to Brazil (minor) - 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to MTN Nigeria (minor) - 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Silent and One-Way Audio from Gamma United Kingdom to a Subset of Twilio United Kingdom Phone Numbers (minor) - 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Post Dial Delay from a Subset of Twilio Toll-Free, Landline, and Mobile Phone Numbers to Multiple Networks in Multiple Countries (minor) - 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Failures from Austria to a Subset of Twilio Austria Phone Numbers (minor) - 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Email suppression issues (no impact stated) - 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Brisanet Brazil (minor) - 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Failures from France to a Subset of Twilio Short Codes (minor) - 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Failures from Network Subscribers to Twilio Colombia Shortcode Numbers (minor) - 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase in Philippines (minor) - 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays From a Subset of Twilio Phone Numbers to Surf Telecom Brazil (minor) - 2026-10-14: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Failures from Twilio Alphanumeric Sender IDs and Long Codes to Evatis Djibouti (minor) - 2026-10-14: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Liberty Mobile Puerto Rico (minor) - 2026-10-14: [Intercom](https://thirdpartyindex.com/vendors/intercom#status), which OneSignal lists as a subprocessor, reported Customer contact details showing up as "Redacted" in the Intercom Inbox (minor) - 2026-10-14: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio to Altan Redes Mexico (minor) - 2026-10-14: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Failures and Post Dial Delay from Twilio Phone Numbers to Israel (minor) - 2026-10-14: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Automated Alert: No Customer Impact (no impact stated) - 2026-10-14: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays and Failures between Twilio and Multiple Networks in Brazil and Italy (minor) - 2026-10-13: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs to Beeline Kazakhstan (minor) - 2026-10-13: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Audio Quality Degradation between Twilio Phone Numbers and Multiple Networks in Brazil (minor) - 2026-10-13: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to VIVACOM Bulgaria (minor) - 2026-10-13: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported Voice Call Failures between a Subset of Twilio South Africa Phone Numbers and Multiple Networks in South Africa (minor) - 2026-10-13: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which OneSignal lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Etisalat and Du United Arab Emirates (minor) The subprocessor list as we read it on any date: https://thirdpartyindex.com/labs/time-machine/onesignal ## Security contact From its security.txt (https://onesignal.com/.well-known/security.txt) ([evidence](https://thirdpartyindex.com/evidence/296)): - Contact: mailto:security@onesignal.com - Acknowledgments: https://onesignal.com/thanks - Security jobs: https://onesignal.com/careers - Languages: en - Valid until 2030-01-01 --- Third Party Index (https://thirdpartyindex.com) monitors vendors' public security and privacy documents and keeps each version as evidence. Data CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/); vendors' own documents are theirs. API: https://thirdpartyindex.com/api