# Postcall

Postcall (postcall.io): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index.

- Page: https://thirdpartyindex.com/vendors/postcall
- Documents last verified: 2026-10-03
- Transparency rating: 64/100 (how much it publishes, not how secure it is): Subprocessor list 30/30; Processing locations 8/8; Purposes 0/7 (partial); 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 0/5 (not found); Vulnerability disclosure 0/5 (not found); Pages still reachable 8/8
- Supply chain: relies on 20 tracked vendors directly, 182 within two hops, 541 within three; 0 tracked vendors rely on it directly, 0 within two hops, 0 within three
- Cite as: Postcall, Third Party Index, https://thirdpartyindex.com/vendors/postcall (data CC BY 4.0)

## Documents

| Document | URL | Last verified | Last changed |
|---|---|---|---|
| Subprocessor list | https://postcall.io/dpa#subprocessors | 2026-10-03 | 2026-10-03 |
| Data processing addendum | https://postcall.io/dpa | 2026-10-03 | 2026-10-03 |
| Privacy policy | https://postcall.io/privacy-policy | 2026-10-03 | 2026-10-03 |
| Terms | https://postcall.io/terms-and-conditions | 2026-10-03 | 2026-10-03 |

## Subprocessors (25)

As its own list states them.

| Subprocessor | Purpose | Location | Listed since |
|---|---|---|---|
| AC PM LLC (Postmark) | — | USA | 2026-10-03 |
| [Amazon AWS](https://thirdpartyindex.com/vendors/amazon-web-services.md) | — | USA, Brazil, European Union, South Africa, Japan, South Korea, China, Singapore, Indonesia, India, Australia, Bahrain, United Arab Emirates | 2026-10-03 |
| [ClickSend](https://thirdpartyindex.com/vendors/clicksend.md) | — | Australia | 2026-10-03 |
| D7Networks | — | UK | 2026-10-03 |
| [DigitalOcean](https://thirdpartyindex.com/vendors/digitalocean.md) | — | USA, Canada, UK, Germany, Netherlands, Singapore, India, Australia | 2026-10-03 |
| [Fastmail](https://thirdpartyindex.com/vendors/fastmail.md) | — | USA | 2026-10-03 |
| [GitHub](https://thirdpartyindex.com/vendors/github.md) | — | USA | 2026-10-03 |
| [Google Workspace](https://thirdpartyindex.com/vendors/google-cloud.md) | — | USA, Chile, Ireland, Netherlands, Denmark, Finland, Belgium, Taiwan, Japan, Singapore | 2026-10-03 |
| [HubSpot](https://thirdpartyindex.com/vendors/hubspot.md) | — | USA, European Union | 2026-10-03 |
| [MailerLite](https://thirdpartyindex.com/vendors/mailerlite.md) | — | EU | 2026-10-03 |
| [MessageBird](https://thirdpartyindex.com/vendors/bird.md) | — | USA, European Union, Singapore, United Kingdom | 2026-10-03 |
| Numverify | — | Austria | 2026-10-03 |
| [Savvycal](https://thirdpartyindex.com/vendors/savvycal.md) | — | USA | 2026-10-03 |
| [Signalwire](https://thirdpartyindex.com/vendors/signalwire.md) | — | USA | 2026-10-03 |
| [Slack](https://thirdpartyindex.com/vendors/slack.md) | — | USA, Australia, Canada, European Union, India, Japan, South Korea, United Kingdom | 2026-10-03 |
| SMS.to | — | EU | 2026-10-03 |
| The SMS Works | — | UK | 2026-10-03 |
| [Solarwinds](https://thirdpartyindex.com/vendors/solarwinds.md) | — | USA | 2026-10-03 |
| [Stripe](https://thirdpartyindex.com/vendors/stripe.md) | — | USA | 2026-10-03 |
| [Telnyx](https://thirdpartyindex.com/vendors/telnyx.md) | — | USA, Canada, UK, Netherlands, Germany, Singapore, Australia | 2026-10-03 |
| [Twilio](https://thirdpartyindex.com/vendors/twilio.md) | — | USA | 2026-10-03 |
| [Vonage Holdings Corp.](https://thirdpartyindex.com/vendors/vonage.md) | — | USA, Ireland, Germany, Australia, Singapore, The Netherlands | 2026-10-03 |
| [Xero](https://thirdpartyindex.com/vendors/xero.md) | — | New Zealand, Australia, UK, USA | 2026-10-03 |
| [Zapier](https://thirdpartyindex.com/vendors/zapier.md) | — | USA | 2026-10-03 |
| [Zoom](https://thirdpartyindex.com/vendors/zoom.md) | — | USA, Australia, Brazil, European Union, Canada, India, Japan, Singapore, Taiwan | 2026-10-03 |

Read from ([evidence](https://thirdpartyindex.com/evidence/36152)). CSV: https://thirdpartyindex.com/vendors/postcall/subprocessors.csv

## 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