# Ringostat

Ringostat (ringostat.com): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index.

- Page: https://thirdpartyindex.com/vendors/ringostat
- Documents last verified: 2026-10-03
- Transparency rating: 76/100 (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 0/8 (not found); Privacy policy 6/6; security.txt 0/6 (not found); 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 22 tracked vendors directly, 153 within two hops, 435 within three; 0 tracked vendors rely on it directly, 0 within two hops, 0 within three
- Cite as: Ringostat, Third Party Index, https://thirdpartyindex.com/vendors/ringostat (data CC BY 4.0)

## Documents

| Document | URL | Last verified | Last changed |
|---|---|---|---|
| Subprocessor list | https://ringostat.com/subprocessor-list/ | 2026-10-03 | 2026-10-03 |
| Data processing addendum | https://ringostat.com/data-processing-agreement/ | 2026-10-03 | 2026-10-03 |
| Privacy policy | https://ringostat.com/privacy-policy/ | 2026-10-03 | 2026-10-03 |
| Terms | https://ringostat.com/terms-of-use/ | 2026-10-03 | 2026-10-03 |
| Status page | https://status.ringostat.com/ | 2026-10-03 | 2026-10-03 |

## Subprocessors (63)

As its own list states them.

| Subprocessor | Purpose | Location | Listed since |
|---|---|---|---|
| ABILIX SOFT LTd | Server data storage service, cloud servers. | 129 "8th Primorski Polk" Blvd., 9010 Levski, Varna | 2026-10-03 |
| [AMAZON WEB SERVICES, INC.](https://thirdpartyindex.com/vendors/amazon-web-services.md) | Server data storage service, cloud servers. | 38 Avenue John F. Kennedy, L-1855, Luxembourg | 2026-10-03 |
| BSG ESTONIA LTD | IP Telephony, telephone calls, two-way SMS services, Two-way SIP Trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, Voice recording, Massanging services, Virtual phone numbers, Integration with and between communication tools and other; IP Telephony, telephone calls, two-way SMS services, two-way SIP trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, voice recording, massanging services, Virtual phone numbers, Integration with and between communication tools and other | Pae 25-47, Tallinn, 11414, Estonia; Pae 25-47, Tallinn, 11414, Estonia, | 2026-10-03 |
| CALLTURE COMMUNICATIONS INC. | IP Telephony, telephone calls, two-way SMS services, Two-way SIP Trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, Voice recording, Massanging services, Virtual phone numbers, Integration with and between communication tools and other; IP Telephony, telephone calls, two-way SMS services, two-way SIP trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, voice recording, massanging services, Virtual phone numbers, Integration with and between communication tools and other | 2800 Skymark Ave, Suite 402 Mississauga, Ontario, L4W 5A6, Canada | 2026-10-03 |
| CITY TELECOM LTD | IP Telephony, telephone calls, two-way SMS services, Two-way SIP Trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, Voice recording, Massanging services, Virtual phone numbers, Integration with and between communication tools and other; IP Telephony, telephone calls, two-way SMS services, two-way SIP trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, voice recording, massanging services, Virtual phone numbers, Integration with and between communication tools and other | Mgaloblishvili St. 13, Tbilisi; Isakadze St. 27, Tbilisi | 2026-10-03 |
| [CLOUDFLARE INC.](https://thirdpartyindex.com/vendors/cloudflare.md) | Secure of: Networks, Applications, Contractors and building serverless applications | 101 Townsend St. San Francisco, CA 94107 | 2026-10-03 |
| CORPORATE OFFICE | VPN detection | 70-3-30A D'Piazza Mall, Mahsuri Street, 11950 Bayan Baru, Penang, Malaysia. | 2026-10-03 |
| CORPORATE OFFICE HEXASOFT DEVELOPMENT SDN.BHD. | VPN detection | 70-3-30A D'Piazza Mall, Mahsuri Street, 11950 Bayan Baru, Penang, Malaysia. | 2026-10-03 |
| "DELTAHOST" LLC | Server data storage service, cloud servers. | Ukraine, Kyiv, St. Obolonska Naberezhna, 15, Building No. 3, Office No. 2, 04210 | 2026-10-03 |
| DIDWW IRELAND LIMITED | IP Telephony, telephone calls, two-way SMS services, Two-way SIP Trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, Voice recording, Massanging services, Virtual phone numbers, Integration with and between communication tools and other; IP Telephony, telephone calls, two-way SMS services, two-way SIP trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, voice recording, massanging services, Virtual phone numbers, Integration with and between communication tools and other | 11 The Haven, Malahide, Co. Dublin, K36 R983, Ireland; 11 The Haven, Malahide, Co.Dublin, K36 R983, Ireland | 2026-10-03 |
| [DIGITALOCEAN LLC](https://thirdpartyindex.com/vendors/digitalocean.md) | cloud infrastructure provision and management | 101 6th Ave New York, NY 10013 | 2026-10-03 |
| [DISQUS INC.](https://thirdpartyindex.com/vendors/disqus.md) | Provision of technical solution for convenient communication with clients and users | 717 Market Street, San Francisco, CA, United States, 94105 | 2026-10-03 |
| [FUNCTIONAL SOFTWARE INC.](https://thirdpartyindex.com/vendors/sentry.md) | Error monitoring service | 45 Fremont St, San Francisco, California 94105, US | 2026-10-03 |
| [GOOGLE LLC](https://thirdpartyindex.com/vendors/google-cloud.md) | Cloud services, website hosting, and data center services | 1600 Amphitheatre Parkway Mountain View, CA 94043, USA | 2026-10-03 |
| [GRAMMARLY INC.](https://thirdpartyindex.com/vendors/grammarly.md) | Service of an advanced grammar, spelling, and punctuation checking for written content | 548 Market Street, #35410,San Francisco, California 94104, US | 2026-10-03 |
| [GRAYLOG INC](https://thirdpartyindex.com/vendors/graylog.md) | Log management and analysis platform that helps to collect, store, and analyze log data from various sources in real-time | 1301 Fannin St, Ste. 2000, Houston, TX 77002 | 2026-10-03 |
| [HETZNER ONLINE LLC](https://thirdpartyindex.com/vendors/hetzner-online.md) | Server data storage service, cloud servers. | Industriestr. 25 91710 Gunzenhausen Germany | 2026-10-03 |
| [INTERCOM R&D UNLIMITED COMPANY](https://thirdpartyindex.com/vendors/intercom.md) | Intercom Messenger | USA | 2026-10-03 |
| INTERTELECOM LLC | IP Telephony, telephone calls, two-way SMS services, Two-way SIP Trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, Voice recording, Massanging services, Virtual phone numbers, Integration with and between communication tools and other; IP Telephony, telephone calls, two-way SMS services, two-way SIP trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, voice recording, massanging services, Virtual phone numbers, Integration with and between communication tools and other | 65007, Ukraine, Odesa, str. Mala Arnautska, 100 | 2026-10-03 |
| IT SOFTWARE SOLUTIONS LIMITED | — | Odesa city, LUZANIVSKA STREET, building 41 | 2026-10-03 |
| JSC KSEL | IP Telephony, telephone calls, two-way SMS services, Two-way SIP Trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, Voice recording, Massanging services, Virtual phone numbers, Integration with and between communication tools and other; IP Telephony, telephone calls, two-way SMS services, two-way SIP trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, voice recording, massanging services, Virtual phone numbers, Integration with and between communication tools and other | St. Timiryazeva, 2G, Almaty, Republic of Kazakhstan | 2026-10-03 |
| JSC UKRTELECOM | IP Telephony, telephone calls, two-way SMS services, Two-way SIP Trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, Voice recording, Massanging services, Virtual phone numbers, Integration with and between communication tools and other; IP Telephony, telephone calls, two-way SMS services, two-way SIP trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, voice recording, massanging services, Virtual phone numbers, Integration with and between communication tools and other | Ukraine, Kyiv, 01601, T. Shevchenko Boulevard, 18" | 2026-10-03 |
| KAR-TEL LLP | IP Telephony, telephone calls, two-way SMS services, Two-way SIP Trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, Voice recording, Massanging services, Virtual phone numbers, Integration with and between communication tools and other; IP Telephony, telephone calls, two-way SMS services, two-way SIP trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, voice recording, massanging services, Virtual phone numbers, Integration with and between communication tools and other | Republic of Kazakhstan, 010010, Astana, Almaty district, st. Kadyrgali Zhalayiri, 2 | 2026-10-03 |
| LEXICO TELECOM LIMITED | IP Telephony, telephone calls, two-way SMS services, Two-way SIP Trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, Voice recording, Massanging services, Virtual phone numbers, Integration with and between communication tools and other; IP Telephony, telephone calls, two-way SMS services, two-way SIP trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, voice recording, massanging services, Virtual phone numbers, Integration with and between communication tools and other | Suite C, 2F, On Lok Mansion, 39-43 Hollywood Road, Central, Hong Kong | 2026-10-03 |
| LIFECELL LLC | IP Telephony, telephone calls, two-way SMS services, Two-way SIP Trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, Voice recording, Massanging services, Virtual phone numbers, Integration with and between communication tools and other; IP Telephony, telephone calls, two-way SMS services, two-way SIP trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, voice recording, massanging services, Virtual phone numbers, Integration with and between communication tools and other | Ukraine, 03110, Kyiv city, Solomyanska street, building 11 | 2026-10-03 |
| [LINKEDIN CORPORATION](https://thirdpartyindex.com/vendors/linkedin.md) | Authentication Service Module | 1000 W Maude Ave, Sunnyvale, CA 94085, USA | 2026-10-03 |
| LLC HOSTING "UKRAINE" | Server data storage service, cloud servers. | P.O. box 65, Kyiv, 04112 | 2026-10-03 |
| LLC MOBILE TELECOM-SERVICe | IP Telephony, telephone calls, two-way SMS services, Two-way SIP Trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, Voice recording, Massanging services, Virtual phone numbers, Integration with and between communication tools and other; IP Telephony, telephone calls, two-way SMS services, two-way SIP trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, voice recording, massanging services, Virtual phone numbers, Integration with and between communication tools and other | Republic of Kazakhstan, 050012, m. Almaty, st. Zhovtoksan, 115 | 2026-10-03 |
| LLC SKYTEL | IP Telephony, telephone calls, two-way SMS services, Two-way SIP Trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, Voice recording, Massanging services, Virtual phone numbers, Integration with and between communication tools and other; IP Telephony, telephone calls, two-way SMS services, two-way SIP trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, voice recording, massanging services, Virtual phone numbers, Integration with and between communication tools and other | Lasnamäe 18, 11416 Tallinn, Eestonia | 2026-10-03 |
| LLP NET KAZAKHSTAN | IP Telephony, telephone calls, two-way SMS services, Two-way SIP Trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, Voice recording, Massanging services, Virtual phone numbers, Integration with and between communication tools and other; IP Telephony, telephone calls, two-way SMS services, two-way SIP trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, voice recording, massanging services, Virtual phone numbers, Integration with and between communication tools and other | Republic of Kazakhstan, city of Almaty, str. Manasa 50 B | 2026-10-03 |
| [LOOM INC.](https://thirdpartyindex.com/vendors/atlassian.md) | Video messaging service that allows users to record and share video messages | 140 2nd Street, 3rd Floor, San Francisco, California 94105, US | 2026-10-03 |
| THE MAIL TRACK COMPANY S.L. | Email tracking and analytics service | Corcega 301, Attic 2ª, 08008 – Barcelona (Spain) | 2026-10-03 |
| [MAXMIND INC.](https://thirdpartyindex.com/vendors/maxmind.md) | Comprehensive fraud prevention alert service | 51 Pleasant Street, #1020, Malden, Massachusetts 02148, US | 2026-10-03 |
| [META PLATFORMS INC.](https://thirdpartyindex.com/vendors/meta.md) | Authentication Service Module, Facebook messenger | 1601 Willow Road, Menlo Park, CA 94025 | 2026-10-03 |
| [MICROSOFT CORPORATION](https://thirdpartyindex.com/vendors/microsoft.md) | Web analytics tool provided by Microsoft that helps us to analyze user behavior on their websites | Redmond, Washington, 98052, United States | 2026-10-03 |
| [NETPEAK LTD](https://thirdpartyindex.com/vendors/netpeak.md) | — | 050013, Kazakhstan, Almaty city, Bostandyksky district, N. Nazarbayeva Ave., p. 193; 47 Cherni vrah blvd., 1407 Sofia Bulgaria; Ukraine, Odessa Region Ovidiopol District, Molodizhne village, “Zarya” cooperation, 73 Tsvitochna Str. | 2026-10-03 |
| [NEW RELIC INC.](https://thirdpartyindex.com/vendors/new-relic.md) | Performance monitoring and management services for web applications and websites | 188 Spear St, San Francisco, CA 94105, United States | 2026-10-03 |
| OCTOPODS SOFTWARE SYSTEMS LIMITED | Ensuring technical integration and interconnection between messengers. | Dublin, County Dublin, Ireland; LIMITED Dublin, County Dublin, Ireland | 2026-10-03 |
| [OPENAI OPCO LLC](https://thirdpartyindex.com/vendors/openai.md) (AI model provider: OpenAI) | Service that allows to use advanced artificial intelligence models | San Francisco, CA 94110, US | 2026-10-03 |
| OWOX INC. | Marketing analytics and data integration platform | 440 N BARRANCA AVE STE 2021 COVINA, CA 91723, UNITED STATES | 2026-10-03 |
| PEOPLEFONE LTD | IP Telephony, telephone calls, two-way SMS services, Two-way SIP Trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, Voice recording, Massanging services, Virtual phone numbers, Integration with and between communication tools and other; IP Telephony, telephone calls, two-way SMS services, two-way SIP trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, voice recording, massanging services, Virtual phone numbers, Integration with and between communication tools and other | Albisstraße 107, CH-8038 Zurych, Szwajcaria | 2026-10-03 |
| PJSC DATAGROU | IP Telephony, telephone calls, two-way SMS services, Two-way SIP Trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, Voice recording, Massanging services, Virtual phone numbers, Integration with and between communication tools and other | 03057, Kyiv, str. The Brodsky family, 31/33 | 2026-10-03 |
| PJSC DATAGROUP | IP Telephony, telephone calls, two-way SMS services, two-way SIP trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, voice recording, massanging services, Virtual phone numbers, Integration with and between communication tools and other | 03057, Kyiv, str. The Brodsky family, 31/33 | 2026-10-03 |
| PJSC KYIVSTAR | IP Telephony, telephone calls, two-way SMS services, Two-way SIP Trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, Voice recording, Massanging services, Virtual phone numbers, Integration with and between communication tools and other; IP Telephony, telephone calls, two-way SMS services, two-way SIP trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, voice recording, massanging services, Virtual phone numbers, Integration with and between communication tools and other | Ukraine, 03113, Kyiv city, Degtyarivska street, building 53 | 2026-10-03 |
| PJSC VF UKRAINE | IP Telephony, telephone calls, two-way SMS services, Two-way SIP Trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, Voice recording, Massanging services, Virtual phone numbers, Integration with and between communication tools and other; IP Telephony, telephone calls, two-way SMS services, two-way SIP trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, voice recording, massanging services, Virtual phone numbers, Integration with and between communication tools and other | 01601, Kyiv, Leipsizka, 15 | 2026-10-03 |
| [PLANFIX INC.](https://thirdpartyindex.com/vendors/planfix.md) | Cloud-based CRM system designed to help us streamline our workflow, manage projects, and improve team collaboration | 4445 Eastgate Mall, Suite 200, San Diego, CA, 92121, USA | 2026-10-03 |
| PROMOTION DEVELOPMENT GROUP LTD | — | Ukraine, Odessa Region Ovidiopol District, Molodizhne village, “Zarya” cooperation, 73 Tsvitochna Str. | 2026-10-03 |
| REPLY APP INC. | Cloud calls, Multichannel sequences, email validation | 6725, Millcreek Dr.,#1 Mississauga, Toronto, ON, Canada, ON L5N 5V3 | 2026-10-03 |
| SATISMETER S.R.O. | Surveys | Česka 1113/1, Prague. 5, 158 00, Czech Republic. | 2026-10-03 |
| [SENDPULSE INC.](https://thirdpartyindex.com/vendors/sendpulse.md) | Multi-channel marketing automation platform | 220 E 23rd St #401, New York, NY 10010. | 2026-10-03 |
| [SERVER4YOU LTD](https://thirdpartyindex.com/vendors/server4you.md) | Server data storage service, cloud servers. | Hessen-Homburg-Platz 1 63452 Hanau Germany; Hessen-Homburg-Platz 163452 HanauGermany | 2026-10-03 |
| SMARTAPP.COM INC. | Project planning and management using Gantt charts | 1350 Division Road, West Warwick, Rhode Island 02893, USA; USA | 2026-10-03 |
| SNOVIO INC | Comprehensive email marketing platform that helps users find, verify, and send emails for outreach and lead generation purposes | 220 East 23rd Street, #401, New York, NY, 10010 | 2026-10-03 |
| TELEGRAM MESSENGER LLP | Online messenger that allows to communicate with users | 23rd floor in a tower in the Dubai Media City complex, UAE | 2026-10-03 |
| [TELNYX LLC](https://thirdpartyindex.com/vendors/telnyx.md) | IP Telephony, telephone calls, two-way SMS services, Two-way SIP Trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, Voice recording, Massanging services, Virtual phone numbers, Integration with and between communication tools and other; IP Telephony, telephone calls, two-way SMS services, two-way SIP trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, voice recording, massanging services, Virtual phone numbers, Integration with and between communication tools and other | 311 W Superior, Chicago, IL, United States, 60654 | 2026-10-03 |
| [TYPEFORM SL](https://thirdpartyindex.com/vendors/typeform.md) | Creation of user-friendly forms and integration between IT systems; Creation of user-friendly forms and integration between IT systems. | calle de Pallars 108 (Aticco), 08018 - Barcelona (Spain) | 2026-10-03 |
| VEDA ACCOUNTING LTD | Billing invoice generation service | 86-90 Paul Street, London, UK, EC2A 4NE | 2026-10-03 |
| VIVACOM BULGARIA EAD | IP Telephony, telephone calls, two-way SMS services, Two-way SIP Trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, Voice recording, Massanging services, Virtual phone numbers, Integration with and between communication tools and other; IP Telephony, telephone calls, two-way SMS services, two-way SIP trunking, IOT SIM-cards, Phone numbers porting, VoIP calling (Voice over Internet Protocol calling), IPRN, voice recording, massanging services, Virtual phone numbers, Integration with and between communication tools and other | the city of Sofia; Postal code 1784; Blvd. Tsarigradske Shose 115I | 2026-10-03 |
| YER HOSTING PROVIDER (YER.AZ) | Server data storage service, cloud servers. | Baku, Azerbaijan, AZ1065, Jafar Jabbarly 40,Caspian Business Center, Yer.az | 2026-10-03 |
| ZABBIX LLC | Monitoring software that allows to monitor the performance and availability of our IT infrastructure and services | Dzelzavas 117, Riga, LV-1021, LV | 2026-10-03 |
| [ZAPIER INC.](https://thirdpartyindex.com/vendors/zapier.md) | Setting up systems based on the 'Trigger' - 'Action' principle | 548 Market St., #62411, San Francisco, CA 94104, US | 2026-10-03 |
| [ZOHO CORPORATION PVT. LTD.](https://thirdpartyindex.com/vendors/zoho.md) | Suite of cloud-based business software applications | 4141 Hacienda Drive Pleasanton, CA 94588, USA; PVT. LTD. 4141 Hacienda Drive Pleasanton, CA 94588, USA | 2026-10-03 |
| [ZOOM VIDEO COMMUNICATIONS INC.](https://thirdpartyindex.com/vendors/zoom.md) | Video messaging service | 55 Almaden Blvd, San Jose, CA 95113, United States | 2026-10-03 |

Read from ([evidence](https://thirdpartyindex.com/evidence/36599)). CSV: https://thirdpartyindex.com/vendors/ringostat/subprocessors.csv

AI model providers (or a cloud provider's AI model service) among these entries: 1. All vendors that list one: https://thirdpartyindex.com/ai

### Its own affiliates (1)

- RINGOSTAT LTD (Suite ,1 Second Floor, Sound & Vision House, Francis Rachel Str., Victoria, Mahe, Seychelles)

## Subprocessor of (0)

No tracked vendor lists it.

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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