Tether Relay documentation

Use this documentation to authenticate, call Tether APIs, and integrate production workflows.

Start here

• Customer API quickstart
• API reference overview

What this site covers

• API authentication and token usage patterns.
• Core API workflows for contacts, conversations, messages, applications, users, and organizations.
• Integration guidance for outreach, automations, pipelines, and AI endpoints.
• API guides for core Tether resources.
• OpenAPI-backed endpoint reference.

Suggested path

For API customers

1. Complete Quickstart.
2. Review Authentication.
3. Use API guides for workflow context.
4. Use API reference for exact contracts.