Retell REST API

REST discovered

Details

Docs: https://docs.retellai.com/api-references/overview

Authentication

Retell API key api_key discovered Get key ↗

Authorization: Bearer <credential>

In the Retell dashboard, open the API Keys tab to create or copy a workspace API key. The docs say API keys authenticate Retell REST API requests, SDK integrations, and MCP usage, and REST requests send it as Authorization: Bearer YOUR_API_KEY. Manage scopes from Manage API keys and permission scopes.