> For the complete documentation index, see [llms.txt](https://ottodata.gitbook.io/ottodata-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ottodata.gitbook.io/ottodata-docs/api-reference/overview.md).

# Overview

## API overview

### Base URL

```
https://api.ottodata.app
```

All REST endpoints live under `/v1/`. Breaking changes get a new version prefix — `/v1/` responses are stable.

### Interactive reference

The API is fully described by its OpenAPI schema:

* **Swagger UI**: [api.ottodata.app/docs](https://api.ottodata.app/docs) — try every endpoint in the browser
* **ReDoc**: [api.ottodata.app/redoc](https://api.ottodata.app/redoc)
* **Raw schema**: [api.ottodata.app/openapi.json](https://api.ottodata.app/openapi.json)

### Authentication

None. The API is free and open during beta — no key, no account, no signup.

### Response conventions

* All responses are JSON. List endpoints wrap results with a `count` field.
* Timestamps: `ts` is Unix seconds; `ts_ms` (events) is Unix milliseconds.
* Prices are USD floats; deviations and gaps are in **basis points** (`_bps` suffix, 1 bp = 0.01%).
* Errors use standard HTTP codes with `{"detail": "message"}` bodies:
  * `404` — no data for that ticker/resource
  * `422` — invalid query parameter
  * `503` — an upstream dependency is unavailable (currently only `/v1/social/*`)

### Health

```bash
curl https://api.ottodata.app/health
```

```json
{
  "status": "ok",
  "service": "otto-data",
  "collector": true,
  "ticks": 24192,
  "deployments": 27485,
  "events": 767,
  "mcp": "/mcp",
  "docs": "/docs"
}
```

### Endpoint index

| Group                                                                                  | Endpoints                                                                          |
| -------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------- |
| [Basis](https://ottodata.gitbook.io/ottodata-docs/api-reference/basis)                 | `/v1/basis/snapshot`, `/v1/basis/{ticker}`, `/v1/feeds`                            |
| [Gaps](https://ottodata.gitbook.io/ottodata-docs/api-reference/gaps)                   | `/v1/gaps/summary`, `/v1/gaps/live`, `/v1/gaps/{ticker}`                           |
| [Pools & risk](https://ottodata.gitbook.io/ottodata-docs/api-reference/pools-and-risk) | `/v1/pools`, `/v1/pools/{ticker}`, `/v1/risk/oracle-deviation`, `/v1/risk/stables` |
| [Flows](https://ottodata.gitbook.io/ottodata-docs/api-reference/flows)                 | `/v1/flows`, `/v1/flows/summary`                                                   |
| [Social](https://ottodata.gitbook.io/ottodata-docs/api-reference/social-reddit-intel)  | `/v1/social/signals`, `/v1/social/regime`, `/v1/social/hood-attention`             |
| [Events](https://ottodata.gitbook.io/ottodata-docs/api-reference/news-events)          | `/v1/events`                                                                       |
| [Ottoscan](https://ottodata.gitbook.io/ottodata-docs/api-reference/ottoscan)           | `/v1/scan/deployments`, `/v1/scan/stats`                                           |
| [WebSocket](https://ottodata.gitbook.io/ottodata-docs/api-reference/websocket-stream)  | `WS /v1/stream/basis`                                                              |
| [Otto AI](https://ottodata.gitbook.io/ottodata-docs/api-reference/otto-ai-chat)        | `POST /v1/ai/chat`                                                                 |


---

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