The API Report CardAPI Index
Outreach

Outreach API

Enterprise/HR/ERP · outreach.io

A public REST API at api.outreach.io implements JSON:API 1.0 with machine-readable OpenAPI schemas, OAuth 2.0 scopes, webhooks, and full CRUD across prospects, sequences, and calls. Any customer can build against it; Galaxy marketplace listing needs ISV certification.

Last verified: July 2026Marketing & Sales
API GRADE
F
VERIFIED JUL 2026

SCORECARD

ExistenceGOODComprehensive public REST API v2 at api.outreach.io implementing JSON:API, with machine readable OpenAPI and json-schema specs.
AccessGOODOAuth 2.0 apps with per-token scopes are open to Outreach customers; Galaxy marketplace listing needs ISV certification.
CoverageGOODFull CRUD across prospects, accounts, opportunities, sequences, mailings, calls, and tasks, with filtering, pagination, and webhooks.
AuthGOODOAuth 2.0 authorization code flow with per-application scopes, plus server to server auth for backend endpoints.
Docs & DXGOODDocumented at developers.outreach.io with json-schema and OpenAPI specs, webhook subscriptions, and an extensions SDK.
StabilityMIXED
MORE FROM THE REPORT CARD
Supergood: Outreach has an API, but using it means gates, contracts, or workarounds. Ours doesn't: stable endpoints, normalized JSON, managed auth.

Frequently asked questions

Outreach scores F on the API Report Card. A public REST API at api.outreach.io implements JSON:API 1.0 with machine-readable OpenAPI schemas, OAuth 2.0 scopes, webhooks, and full CRUD across prospects, sequences, and calls. Any customer can build against it; Galaxy marketplace listing needs ISV certification.

Tried to integrate with Outreach?