# CoW Swap App Data API

**Canonical:** https://apis.io/apis/cow-protocol/cow-protocol-app-data-api/  
**Provider:** CoW Swap — https://apis.io/providers/cow-protocol/  
**Base URL:** https://api.cow.fi/mainnet  
**Documentation:** https://docs.cow.fi/cow-protocol/reference/apis/orderbook

CoW Swap App Data API is one of 18 APIs that [CoW Swap](https://apis.io/providers/cow-protocol/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 14 JSON Schema definitions. Tagged areas include App Data. The published artifact set on APIs.io includes an OpenAPI specification and 14 JSON Schemas.

The App Data API from CoW Swap — 2 operation(s) for app data.

## Operations (3)

| Method | Path | Summary |
|---|---|---|
| GET | `/api/v1/app_data/{app_data_hash}` | Get the full `appData` from contract `appDataHash` |
| PUT | `/api/v1/app_data/{app_data_hash}` | Registers a full `appData` so it can be referenced by `appDataHash` |
| PUT | `/api/v1/app_data` | Registers a full `appData` and returns `appDataHash` |

## Machine-readable artifacts (15)

- **OpenAPI** — https://artifacts.apis.io/cow-protocol/openapi/cow-protocol-app-data-api-openapi.yml
- **JSONSchema** — https://artifacts.apis.io/cow-protocol/json-schema/cow-protocol-order-creation-schema.json
- **JSONSchema** — https://artifacts.apis.io/cow-protocol/json-schema/cow-protocol-trade-schema.json
- **JSONSchema** — https://artifacts.apis.io/cow-protocol/json-schema/cow-protocol-order-quote-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/cow-protocol/json-schema/cow-protocol-simulation-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/cow-protocol/json-schema/cow-protocol-solver-competition-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/cow-protocol/json-schema/cow-protocol-order-quote-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/cow-protocol/json-schema/cow-protocol-solve-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/cow-protocol/json-schema/cow-protocol-settle-fast-path-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/cow-protocol/json-schema/cow-protocol-solve-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/cow-protocol/json-schema/cow-protocol-settle-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/cow-protocol/json-schema/cow-protocol-reveal-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/cow-protocol/json-schema/cow-protocol-quote-response-kind-schema.json
- **JSONSchema** — https://artifacts.apis.io/cow-protocol/json-schema/cow-protocol-solution-schema.json
- **JSONSchema** — https://artifacts.apis.io/cow-protocol/json-schema/cow-protocol-auction-schema.json

## Other CoW Swap APIs (12)

- [CoW Swap Account API](https://apis.io/apis/cow-protocol/cow-protocol-account-api/)
- [CoW Swap Auction API](https://apis.io/apis/cow-protocol/cow-protocol-auction-api/)
- [CoW Swap Notify API](https://apis.io/apis/cow-protocol/cow-protocol-notify-api/)
- [CoW Swap Orders API](https://apis.io/apis/cow-protocol/cow-protocol-orders-api/)
- [CoW Swap Quote API](https://apis.io/apis/cow-protocol/cow-protocol-quote-api/)
- [CoW Swap Quotes API](https://apis.io/apis/cow-protocol/cow-protocol-quotes-api/)
- [CoW Swap Restricted API](https://apis.io/apis/cow-protocol/cow-protocol-restricted-api/)
- [CoW Swap Reveal API](https://apis.io/apis/cow-protocol/cow-protocol-reveal-api/)
- [CoW Swap Settle API](https://apis.io/apis/cow-protocol/cow-protocol-settle-api/)
- [CoW Swap Settle Fast Path API](https://apis.io/apis/cow-protocol/cow-protocol-settle-fast-path-api/)
- [CoW Swap Solve API](https://apis.io/apis/cow-protocol/cow-protocol-solve-api/)
- [CoW Swap Solver Competition API](https://apis.io/apis/cow-protocol/cow-protocol-solver-competition-api/)

## Tags

App Data

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/cow-protocol/cow-protocol-app-data-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/cow-protocol/.