> ## Documentation Index
> Fetch the complete documentation index at: https://docs.trynito.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# OpenAPI document

> The machine-readable developer API contract and how to use it.

Download the [Nito developer OpenAPI document](/openapi.json):

```text theme={"theme":{"light":"github-light","dark":"github-dark"}}
GET https://docs.trynito.ai/openapi.json
```

The document covers inference, Fusion, standalone web retrieval, document parsing, API-key management, billing balance, rate-limit snapshots, models, attestation, and MCP. It includes the request and response schemas, developer authentication schemes, and error envelopes used by the endpoint pages in this reference.

Compatibility aliases are omitted so each operation has one canonical endpoint. Browser sign-in, account settings, checkout, storage sync, and service health routes are excluded. Plugin/CLI agent endpoints, OAuth and discovery endpoints, image generation, and embeddings are also omitted from this reference for now.

* Import it into Postman, Bruno, Insomnia, or any OpenAPI-aware client.
* Feed it to a client generator, or use the stock OpenAI and Anthropic SDKs against the compatible routes. See [SDKs](/api/sdks).
* Diff it between releases.

## Related

* [Request format](/api/api-reference/overview/request-format)
* [API Reference](/api/api-reference)


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