Transcribe audio

Gladia

Speech-to-text API for pre-recorded and live audio that returns transcripts with timestamps, speaker labels and optional add-ons.

Methods

Method	Used for	How
API key	All REST and WebSocket-init endpoints	Send the key in the `x-gladia-key` header
API key in environment	SDKs, CLI and the local MCP server	Set `GLADIA_API_KEY`; the CLI also has `gladia auth set <key>`

Source3Authentication

Getting access

Who creates the account: A person signs up at app.gladia.io (Google sign-in); sign-up by an agent alone is not described3
Where to get a key: API keys section of app.gladia.io; a default key is created at sign-up3
Other requirements: Not published

Read from Gladia’s own pages on 2026-11-04. Every number links to the page a value came from. For agents, the same facts as markdown: /tools/transcribe-audio/gladia.md