Sinch
Sinch declares 75 subprocessors, plus 21 of its own affiliates, in its subprocessor list, which we last checked on Nov 11, 2026 (evidence). They include Amazon Web Services, Google Cloud and OpenAI. The list last changed on Nov 3, 2026: 0 added, 0 removed, 1 changed. 40 tracked vendors name Sinch as a subprocessor, including Twilio, Sentry and SendGrid.
No third parties published for its homepage.
Subprocessors CSV of Sinch's subprocessors · Atom feed of Sinch's subprocessors DORA draft CSV of Sinch's subprocessors as declared by Sinch what's this? ·
75 third parties, 21 affiliates.
| Name | Purpose | Location | Listed since |
|---|---|---|---|
| Ably Realtime Ltd | Cloud Service; for Live Updates | EU | |
| Advania Sverige AB Fredsborgsgatan 24 | Operations | Sweden | |
| Aiven Limited | Infrastructure | Brazil; India; EU; EU, US, | |
| Akixi Limited | Call center reports | US | |
| Amazon Web Services Inc. | A2P Monetization only: Managed Service; Contact Pro: Hosting, Conversation content analysis; Hosting | A2P Monetization: Ireland; EU1; Brazil; BR1; Campaigns: EU; eu-west 3, USA; us-east 1; Canada; CA1; Contact Pro: US; Conversation API: USA & Brazil; Fax API: US; Functions: US; Germany; EU2; Ireland; EU1; Messaging (MM2): US; Messaging: Australia; AU1; Sweden; EU6; USA; US1, US2, US6; Verification: Germany, Ireland, USA, Singapore, India | |
| Amazon Web Services Australia Pty Ltd | Hosting | Australia | |
| Amazon Web Services EMEA SARL | Contact Pro: Hosting, Conversation content analysis; Hosting; Voice API only: Text to Speech | Chatlayer, Engage Classic (MessengerPeople): Ireland; EU1, Germany; EU2; Contact Pro: Germany; Conversation API: EU; Fax API: US; Messaging: Ireland; EU 1; Number Lookup: EU, US; Omnichannel Connector: EU (Ireland); Sinch Engage (MessageMedia): Ireland; Voice API and In-App Calling: Australia, Brazil, Germany, Singapore, USA | |
| Amazon Web Services South Africa (Pty) Ltd | Contact Pro: Hosting | Contact Pro: South Africa | |
| Amplitude | Service used; analytics of; platform usage.; to track web | US | |
| AppCues Inc. | Infrastructure,; User Onboarding,; announcements; feature release | USA | |
| Apple Inc. | Hosting,; Infrastructure; and Delivery; of Messages | Global | |
| Ascenty Data Centers e Telecomunicações S/A. | Hosting and; Infrastructure; | BR | |
| AssemblyAI, Inc. AI | Speech-to-text; content analysis; conversation; conversions and | EU (Ireland), US | |
| Atlassian Corporation | Incident Management; Support ticket; tracking, | Mailjet, Mailgun; US, Global; USA & EU | |
| Chargebee | Billing | EU | |
| CloudAMQP | Infrastructure | EU | |
| CloudFlare, Inc. | Infrastructure | EU | |
| Cloudinary Ltd | (US/AU); MMS Hosting | US | |
| Collaboration Betters The World APAC Limited | Development; Service support; provisioning, | Hong Kong; Vietnam, | |
| ConfigCat | Application feature; flagging | EU | |
| Cyclelogic do Brasil Mobile Solutions Ltda. | Service Provisioning and Support | LATAM | |
| Cyclelogic México S. de R.L de CV. | Service Provisioning and Support | Mexico | |
| Datadog | Observability | USA; EU | |
| Deel Inc. | Customer Support,; Project Management, Deployment, Service Provisioning, Managed; Services | Global | |
| Deepgram, Inc. AI | Chatlayer Voicebots: Text To speech and Speech to Text capabilities | EU | |
| Emagine Consulting AB | & support and; Customer Support; Service provisioning | EU | |
| Emagine Poland | (WhatsApp): Service Provisioning,; Customer Support; Development and; Rich Messaging | EU | |
| Enghouse Systems Limited | Generates billing; data and invoices; for UCaaS customers | US | |
| Equinix Inc. | Hosting | USA, US5 | |
| Equinix do Brasil Soluções de Tecnologia em Informática S.A. | Hosting and; Infrastructure; | BR | |
| Extrinsica Global Ltd | Hosting | USA, US7 | |
| Force Technology Inc., (Paragon) | Hosting; and Infrastructure | EU | |
| GlobalConnect AB | Hosting | Sweden, EU3 | |
| Google LLC | Chatlayer Voicebots: Speech to Text, Text to Speech; Chatlayer: Hosting, Machine Learning;; Hosting and Infrastructure; In-App Calling only: Push notifications to devices.; MailGun: Cloud datacenters; Messaging (MM2): Data Storage; | AU: australia-southeast1 (Sydney, Australia); EU: europe-west1 (St. Ghislain, Belgium); Mailgun: US: us-west1 (Oregon, US), us-east4 (N. Virginia, US); USA, EU, AU | |
| Google Cloud EMEA Ltd | Chatlayer Voicebots: Text to Speech, Speech to Text; Chatlayer: Hosting, Machine Learning;; MessengerPeople: Hosting; | Chatlayer,; Germany; EU2 | |
| Google Cloud France SARL | Cloud datacenters | (Germany & Belgium); EU | |
| Hetzner Online GmbH | WhatsApp Hosting | EU | |
| Huawei Inc. | Push notifications; to devices | ||
| InfoBank Corporation | Hosting | South Korea | |
| Inteliquent Inc. | Service Provisioning and Support, Development | US | |
| J-Labs sp. z.o.o | Conversation API: Service Provisioning, Development and Support; Service Provisioning and Support | EU | |
| Jibe Mobile Inc. | Service Provisioning; and Support | EU; USA; Brazil | |
| Logrocket | Service used to; action on our; debug errors; platform to; track customer | US | |
| MacStadium Inc. | Cloud datacenters | USA | |
| Mailgun Technologies, Inc. | Customer Support, Project Management, Deployment, Service Provisioning, Managed Services, Mailjet: Support | USA | |
| Mailjet SAS | Customer Support, Project Management, Deployment, Service Provisioning, Managed Services | EU (France) | |
| Message4U Pty Ltd | Service Provisioning and Support, Development | Australia; EU | |
| MessageMedia Europe Limited | Service Provisioning and Support, Development | EU | |
| MessageMedia U.S.A. Inc. | Service Provisioning and Support, Development | USA | |
| Meta Platforms, Inc. | Delivery of messages | Global | |
| Microsoft Azure | Chatlayer Voicebots: Speech to Text, Text to Speech; Chatlayer: Machine Learning;; Voice API: Text To speech capabilities, Machine Learning | USA; EU | |
| Moesif | Observability | US | |
| MongoDB Limited | Hosting and Infrastructure | Chatlayer, Engage Classic (MessengerPeople): EU; Sinch Engage (MessageMedia): EU or AU | |
| Nedimix S.A. | Support | BR, EU | |
| NHN Corporation | Delivery of messages | South Korea | |
| OpenAI, LLC AI | Machine Learning | EU | |
| Oracle Svenska AB | Database, Infrastructure, Support | EU | |
| OrecX (subsidiary of CallMiner) | Recording call audio | US | |
| PingCap Ltd | AU, EU; and USA | ||
| Raintank Inc., dba Grafana Labs | Analytics and logs | EU; USA | |
| RedHat Limited | OS, Support | EU | |
| Reseau Group | Support | US; India | |
| Scaleway SAS (previously Online SAS) | Hosting; and Infrastructure | France | |
| Sentry | Infrastructure,; Observability | USA | |
| SFDC Ireland Ltd | Processing; of customer data | AU; US, EU (Germany), | |
| Simple Texting LLC | Service Provisioning and Support, Development | USA | |
| Stripe Payments Europe, Limited | Billing; Mailjet & Mailgun:; Support billing and; payment systems | EU; USA, EU (Ireland) | |
| Tangent Internaltional Limited | Customer Support,; Managed Services; Project Management, Deployment, Service Provisioning, | Global | |
| TD Synnex | Hardware Support | EU | |
| Tencent Holdings Ltd. | Message Delivery to WeChat Recipients | Brazil; EU, USA, | |
| TransUnion/NeuStar | Attestestion; STIR/SHAKEN | USA | |
| Userlist, Inc. | Analytics | US | |
| VAT Compliance UK Limited | Processing billing data to generate, distribute, and report compliant electronic invoices to customers (OTC), as well as receiving and processing incoming supplier electronic invoices for Accounts Payable and Source-to-Pay (S2P) operations. | Ireland; Netherlands; Germany; South Africa | |
| Zendesk, Inc. | Customer support; platform | USA; EU; and APAC | |
| Zesium Mobile DOO, Serbia | Service Provisioning; and Support | EU |
Sinch affiliates (21)
Web TechnologiesCSV of Sinch's web technologies · Atom feed of Sinch's web technologies
Sinch's homepage made 35 requests to 1 domain.
First party 1 · 35 requests
Sinch Cloudflare HSTS HTTP/3 MySQL Open Graph PHP Priority Hints WP Engine WP Rocket 3.23.3.3 WPML 4.9.7 WordPress Yoast SEO 28.4 35
Subprocessor of (40)CSV of the companies listing Sinch · Atom feed of the companies listing Sinch
Adobe adobe.com Adobe uses Sinch to provide SMS, MMS, and RCS capabilities within the product, if Sinch is licensed by customer. Note that Sinch only acts as Adobe’s sub-processor for these messaging services in the U.S. and Canada; for messaging in other countries, customers enter into terms directly with Sinch.
Airship airship.com SMS/MMS delivery provider
Anaphora anaphora.tech SMS features in the Anaphora platform
Arcweave arcweave.com Subject matter, nature, and duration of processing: Arcweave uses Sinch for delivering marketing and transactional email communications.
Blackboard blackboard.com Email Delivery; Email delivery
Blitzz blitzz.co SMS delivery for Canadian phone numbers.
Bloomreach bloomreach.com
Brevo brevo.com SMS routing to Portugal, India, Indonesia and the Bahamas
CallTrackingMetrics calltrackingmetrics.com Transmittal to or from our application from or to the publicly-switched telephone network (PSTN) or other specified origination and termination points.
ChargeOver chargeover.com Sending SMS Messages
ClickSend clicksend.com Service Provisioning and Support, Development; Support; Service Provisioning, Development, Support
CloudCall cloudcall.com Voice and/or SMS Carrier
Cordial cordial.com
CTM ctm.com Transmittal to or from our application from or to the publicly-switched telephone network (PSTN) or other specified origination and termination points.
Doozy doozy.live Transactional email and messaging
Everbridge everbridge.com
Fenergo fenergo.com Purpose: Platform specific email notifications (Mailgun Service). Applicable Service(s): Fenergo SaaS - Applicable where email notifications are in use. Types of Personal Data Processed: Customer Personal Data - Business contact information & content of the email notification.; Sinch AB is a communications platform (CPaaS) that lets businesses send customer notifications via APIs, especially SMS/voice and email from their applications.
- FICO fico.com A2P messaging for clients globally
Flowmailer flowmailer.com Telecom service provider for SMS messages
Genesys genesys.com
Hexnode hexnode.com Cloudflare is an infrastructure provider used for network acceleration, CDN and security. Cloudflare helps Hexnode in providing the required services and effectively manage the network traffic.
Heyflow heyflow.com Feature-based: Only if SMS verification feature is activted; Sending one-time passcodes for SMS verification (optional functionality)
Invoca invoca.com * Applicable Products * All * Data processed * Phone Numbers * IP Addresses * Metadata; Voice termination/SIP/SMS
Knak knak.com Email Testing & Sending
Mailgun mailgun.com Support; Service Provisioning and Support, Development; Service Provisioning, Development, Support Conversation API: Service Provisioning, Development, Support; Customer Support, Project Management, Deployment, Service Provisioning, Managed Services; Customer Support, Project Management, Deployment, Service Provisioning, Managed Services, NOC Monitoring; Service Provisioning and Support; Development, Support; Conversation API: Service Provisioning, Development, Support; Conversation API: Service Provisioning, Development, Customer Support, Project Management, Deployment, Managed Services; Service Provisioning, Development, Support
Nextiva nextiva.com US SMS messaging and voice services
Optimizely optimizely.com
ParentSquare parentsquare.com Customer data used solely for district messaging services.
Pendula pendula.com
Segment segment.com Sinch routes, transmits, and delivers of outbound SMS communications for specific Twilio Products and Services
SegMetrics segmetrics.io Transactional email delivery (authentication, notifications) to SegMetrics account holders
SendGrid sendgrid.com Sinch routes, transmits, and delivers of outbound SMS communications for specific Twilio Products and Services
Sentry sentry.io Email delivery services
Skovik skovik.com Email delivery services.
Twilio twilio.com Sinch routes, transmits, and delivers of outbound SMS communications for specific Twilio Products and Services
Upland Software uplandsoftware.com Inteliquent is utilized within the platform as a telecommunications provider for sending fax messages.; Telecommunications
Veeva Systems veeva.com Cloud-based communications provider (e.g., email, fax API)
VTEX vtex.com Communication Services
WebEngage webengage.com
Zoho zoho.com
ComplianceCSV of Sinch's compliance · Atom feed of Sinch's compliance
- Certified
- Says it complies with
Certifications as Sinch's trust center lists them; reports are usually shared on request (evidence)
Service statusCSV of Sinch's status page incidents · Atom feed of Sinch's status page incidents
- minor Delivery Issue SMS Verfication China - China Mobile
- minor The status page says: Partially Degraded Service · External Connectivity: under maintenance, Voice: under maintenance, Verification: degraded performance, Messaging APIs: under maintenance, Sinch DI Services: under maintenance
90 days agotoday
- 97 incidents in 90 days
- 3 major or critical
- 3 h 2 min typical time to resolve
- 2 h 56 min longest major
| Began | Incident | Impact | Lasted |
|---|---|---|---|
| Delivery Issue SMS Verfication China - China Mobile | minor | ongoing | |
| Delivery Issue - United States - AT&T | minor | 3 h 22 min | |
| Post-Incident Notification - Customer Dashboard login | no impact stated | — | |
| Service Degradation - Customer Dashboard | minor | 1 h 12 min | |
| Delivery Issue France - Bouygues Telecom | minor | 13 h 58 min | |
| Chatlayer - EU and US Regions Outage | no impact stated | — | |
| Delivery Issue - SMS Verification - China | minor | 3 days | |
| Delivery Issue Czech Republic - T-Mobile | minor | 4 h 7 min |
Incidents per month
critical major minor no impact stated
Components affected
| Component | Incidents | Bar |
|---|---|---|
| SMS - EMEA | 18 | |
| SMS - LATAM | 14 | |
| SMS - US - 10DLC | 4 | |
| SMS - US - ShortCode | 4 | |
| SMS - APAC | 3 | |
| SMS Verification | 3 | |
| Customer Support | 2 | |
| Login/Sign up | 2 |
As Sinch's status page reports its own incidents (scheduled maintenance left out), read every few hours since (evidence)
Incidents reported by Sinch's subprocessorsCSV of incidents reported by vendors Sinch lists · Atom feed of incidents reported by vendors Sinch lists
204 reported incidents in the last 30 days, by 18 of the vendors Sinch lists as subprocessors.
A subprocessor list names a company, not the service an incident touched. This does not show that Sinch was involved.
And 179 more. All of them: CSV · Who is around them.
ChangesCSV of Sinch's changes · Atom feed of Sinch's changes
See the list as we read it on any date: Time machine
- Changed subprocessor: Google LLC locations: EU customers), Mailgun: EU, USA, EU, USA: US customers → AU: australia-southeast1 (Sydney, Australia), EU: europe-west1 (St. Ghislain, Belgium), Mailgun: US: us-west1 (Oregon, US), us-east4 (N. Virginia, US), USA, EU, AU evidence: subprocessor: Google LLC list before and after: subprocessor: Google LLC
Rating badge for Sinch's site
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<a href="https://thirdpartyindex.com/vendors/sinch"><img src="https://thirdpartyindex.com/badge/sinch.svg" alt="Sinch transparency rating on Third Party Index" height="20"></a>[](https://thirdpartyindex.com/vendors/sinch)