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The Calm API ships a machine-readable OpenAPI 3.1 description. Point any OpenAPI toolchain at it to generate a typed client, mocks, or contract tests instead of hand-writing request and response types.

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Download

The spec is served at https://docs.calmtreasury.xyz/api/openapi.json — every operation on this reference, with request bodies, response shapes, security, and error codes. Point a generator straight at that URL, or save it locally.

openapi.json

Download the full OpenAPI 3.1 spec.

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What the spec covers

This spec is the supported surface: the operations here are the ones you build against, with a stable request/response contract. Anything not described here is not a supported integration point, even if you can observe it on the wire — it can change without notice. The spec is generated from the API source and enforced in CI, keeping it aligned with what the server accepts and returns.
If you use the React SDK, it already wraps these calls — you only need the spec when building a client on another platform or a custom integration.