# Oso

Oso declares [6 subprocessors](https://thirdpartyindex.com/vendors/oso#subprocessors) in [its subprocessor list](https://trust.osohq.com/subprocessors), which we last checked on 2026-11-11 ([evidence](https://thirdpartyindex.com/evidence/237560)). They include [Amazon Web Services](https://thirdpartyindex.com/vendors/amazon-web-services), [Anthropic](https://thirdpartyindex.com/vendors/anthropic) and [Sentry](https://thirdpartyindex.com/vendors/sentry). No published changes since we first read it on 2026-11-08. [2 tracked vendors](https://thirdpartyindex.com/vendors/oso#used-by) name Oso as a subprocessor, including [Optro](https://thirdpartyindex.com/vendors/optro) and [Spellbook](https://thirdpartyindex.com/vendors/spellbook).

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

- Page: https://thirdpartyindex.com/vendors/oso
- Documents last verified: 2026-11-11
- Transparency rating: 72/100 (how much it publishes, not how secure it is): Subprocessor list 30/30; Processing locations 8/8; Purposes 7/7; Data processing addendum 0/12 (not found); Trust center 8/8; Privacy policy 6/6; security.txt 0/6 (not found); Security page 5/5; Status page 0/5 (not found); Vulnerability disclosure 0/5 (not found); Pages still reachable 8/8
- Supply chain: relies on 6 tracked vendors directly, 69 within two hops, 297 within three; 2 tracked vendors rely on it directly, 2 within two hops, 2 within three
- Cite as: Oso, Third Party Index, https://thirdpartyindex.com/vendors/oso (data CC BY 4.0)

## Documents

| Document | URL | Last verified | Last changed |
|---|---|---|---|
| Trust center | https://trust.osohq.com/ | 2026-11-11 | 2026-11-11 |
| Subprocessor list | https://trust.osohq.com/subprocessors | 2026-11-11 | 2026-11-08 |
| Privacy policy | https://www.osohq.com/privacy | 2026-11-11 | 2026-11-08 |
| Terms | https://www.osohq.com/terms | 2026-11-11 | 2026-11-08 |
| Security page | https://www.osohq.com/company/security | 2026-11-11 | 2026-11-08 |

## Subprocessors (6)

As its own list states them.

| Subprocessor | Purpose | Location | Listed since |
|---|---|---|---|
| [Amazon Web Services](https://thirdpartyindex.com/vendors/amazon-web-services.md) | Primary hosting provider. | Cloud provider | 2026-11-08 |
| [Anthropic](https://thirdpartyindex.com/vendors/anthropic.md) (AI model provider: Anthropic) | LLM provider | Data processing | 2026-11-08 |
| [Common Room](https://thirdpartyindex.com/vendors/common-room.md) | User analytics | Marketing | 2026-11-08 |
| [Honeycomb](https://thirdpartyindex.com/vendors/honeycomb.md) | Cloud monitoring; Record telemetry data from services | USA | 2026-11-08 |
| [Sentry](https://thirdpartyindex.com/vendors/sentry.md) | Cloud monitoring; Error logging | USA | 2026-11-08 |
| [Svix](https://thirdpartyindex.com/vendors/svix.md) | Webhooks provider | Data storage and processing | 2026-11-08 |

Read from ([evidence](https://thirdpartyindex.com/evidence/237560)). CSV: https://thirdpartyindex.com/vendors/oso/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

## Compliance

As its trust center lists them.

- Audited: SOC 2 Type II ([evidence](https://thirdpartyindex.com/evidence/237558))

## Subprocessor of (2)

Tracked vendors whose own subprocessor lists name it, and what they say they use it for.

- [Optro](https://thirdpartyindex.com/vendors/optro.md): Platform Authentication Service
- [Spellbook](https://thirdpartyindex.com/vendors/spellbook.md): Authorization; Provides service for fine grained access (FGA) controls within the Spellbook application.

## Incidents reported by Oso's subprocessors

Incidents reported in the last 30 days on their own status pages by 4 vendors Oso lists as subprocessors. A subprocessor list names a company, not the service an incident touched.

- 2026-11-11: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Oso lists as a subprocessor, reported US issues feed throwing intermittent errors (minor)
- 2026-11-11: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Oso lists as a subprocessor, reported Account emails not being delivered (major)
- 2026-11-10: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Oso lists as a subprocessor, reported Elevated errors on Fable 52 and Mythos 52 (no impact stated)
- 2026-11-10: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Oso lists as a subprocessor, reported EU region replay ingestion latency (minor)
- 2026-11-08: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Oso lists as a subprocessor, reported Degraded performance for Claude Fable 5.1 (minor)
- 2026-11-04: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Oso lists as a subprocessor, reported Ingestion delays across all data (minor)
- 2026-11-03: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Oso lists as a subprocessor, reported Delays in spans and transactions processing (major)
- 2026-11-03: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Oso lists as a subprocessor, reported Sentry.io dashboard and API is down (critical)
- 2026-11-02: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Oso lists as a subprocessor, reported Sentry dashboard is down (critical)
- 2026-10-28: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Oso lists as a subprocessor, reported Elevated errors affecting the Google Calendar connector (minor)
- 2026-10-28: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Oso lists as a subprocessor, reported Elevated errors affecting the Gmail connector (minor)
- 2026-10-27: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Oso lists as a subprocessor, reported Elevated errors for Claude Sonnet 5.5 (major)
- 2026-10-27: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Oso lists as a subprocessor, reported Elevated errors for Claude Sonnet 5.5 (major)
- 2026-10-25: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Oso lists as a subprocessor, reported Elevated errors for Claude Fable 5.1 (major)
- 2026-10-25: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Oso lists as a subprocessor, reported Elevated errors for Claude Sonnet 5.5 and other models (major)
- 2026-10-24: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Oso lists as a subprocessor, reported Elevated errors for Claude Fable 5 and Claude Fable 5.1 (major)
- 2026-10-24: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Oso lists as a subprocessor, reported Elevated errors for Claude Opus 5.5 (major)
- 2026-10-23: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Oso lists as a subprocessor, reported Elevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5 (critical)
- 2026-10-22: [Honeycomb](https://thirdpartyindex.com/vendors/honeycomb#status), which Oso lists as a subprocessor, reported Email notifications for SLOs, Triggers, and Anomaly Detection not sending (major)
- 2026-10-22: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Oso lists as a subprocessor, reported Elevated errors affecting Connectors (minor)
- 2026-10-21: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Oso lists as a subprocessor, reported Degraded performance for Claude Fable 5 (minor)
- 2026-10-21: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Oso lists as a subprocessor, reported Increased latency processing integration webhooks (minor)
- 2026-10-21: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Oso lists as a subprocessor, reported Sentry.io not loading in US region (critical)
- 2026-10-20: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Oso lists as a subprocessor, reported Sentry.io not loading (major)
- 2026-10-20: [Honeycomb](https://thirdpartyindex.com/vendors/honeycomb#status), which Oso lists as a subprocessor, reported Slowness in US region (major)
- 2026-10-20: [Honeycomb](https://thirdpartyindex.com/vendors/honeycomb#status), which Oso lists as a subprocessor, reported Degraded event ingest (major)
- 2026-10-19: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Oso lists as a subprocessor, reported Sentry is down (critical)
- 2026-10-16: [Svix](https://thirdpartyindex.com/vendors/svix#status), which Oso lists as a subprocessor, reported Elevated latency in EU region (minor)
- 2026-10-14: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Oso lists as a subprocessor, reported Ingestion Halted for EAP data in EU (major)

The subprocessor list as we read it on any date: https://thirdpartyindex.com/labs/time-machine/oso

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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