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API reference

Every reference here is generated from its source, so it matches the code it describes.

Both are served by Switchboard: the Account API at https://app.caprid.com, and the Relay plane API at https://switchboard.mux.global, the hostname relays dial.

API For Reference Machine-readable
Account API Your backend and scripts, with an API key: Organizations, Members, Invitations, Namespaces, API keys, Signing keys, Client tokens, Self-hosted relays Reference OpenAPI YAML · JSON · Markdown
Relay plane API A relay, with its Node key: enrollment, peer discovery, admission Reference OpenAPI YAML · JSON · Markdown

Send an API key as Authorization: Bearer sb_.... Request bodies are JSON, times are Unix seconds, and errors are always {"error": "..."}. Anything you can’t reach is a 404, whether or not it exists.

SDK Packages Reference
TypeScript @caprid/relay, @caprid/relay-quic, @caprid/relay-websocket, @caprid/moq-media, @caprid/moq-mediabunny, @caprid/moq-core TypeScript reference
Python caprid-relay (caprid_relay, caprid_relay.media, caprid_relay.quic), caprid-moq-core (moq_core), caprid-moq-media (moq_media) Python reference

Both SDKs use the same names for the same concepts, in each language’s casing. The SDK vocabulary maps every public name across the two.