# Matter

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

- Page: https://thirdpartyindex.com/vendors/matter
- Documents last verified: 2026-09-30
- Transparency rating: 71/100 (how much it publishes, not how secure it is)
- Cite as: Matter, Third Party Index, https://thirdpartyindex.com/vendors/matter (data CC BY 4.0)

## Documents

| Document | URL | Last verified | Last changed |
|---|---|---|---|
| Subprocessor list | https://matterapp.com/legal/sub-processors | 2026-09-30 | 2026-09-30 |
| Data processing addendum | https://matterapp.com/legal/dpa | 2026-09-30 | 2026-09-30 |
| Privacy policy | https://matterapp.com/legal/privacy | 2026-09-30 | 2026-09-30 |
| Terms | https://matterapp.com/legal/terms-of-service | 2026-09-30 | 2026-09-30 |

## Subprocessors (7)

As its own list states them.

| Subprocessor | Purpose | Location | Listed since |
|---|---|---|---|
| [ActiveCampaign](https://thirdpartyindex.com/vendors/activecampaign.md) | Marketing emails | USA | 2026-09-30 |
| [Amazon Web Services (AWS)](https://thirdpartyindex.com/vendors/amazon-web-services.md) | Web hosting, servers, databases | USA | 2026-09-30 |
| [Intercom](https://thirdpartyindex.com/vendors/intercom.md) | Support via live chat and email | USA | 2026-09-30 |
| [Mixpanel](https://thirdpartyindex.com/vendors/mixpanel.md) | Aggregate usage tracking | USA | 2026-09-30 |
| [Postmark](https://thirdpartyindex.com/vendors/postmark.md) | Service emails | USA | 2026-09-30 |
| [Sentry](https://thirdpartyindex.com/vendors/sentry.md) | Application monitoring | USA | 2026-09-30 |
| [Stripe](https://thirdpartyindex.com/vendors/stripe.md) | Payment collection and handling | USA | 2026-09-30 |

Read from ([evidence](https://thirdpartyindex.com/evidence/24988)). CSV: https://thirdpartyindex.com/vendors/matter/subprocessors.csv

## Listed as a subprocessor by (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