The Orderbook API is the primary interface for interacting with CoW Protocol’s order management system.
Start Here
If you are integrating rather than just looking up a schema:
Base URLs
| Network | Production | Staging |
|---|
| Ethereum | | |
| Gnosis Chain | | |
| Arbitrum One | | |
| Base | | |
| Avalanche | | |
| Polygon | | |
| BNB | | |
| Linea | | |
| Plasma | | |
| Ink | | |
| Sepolia | | |
Key Endpoints
Quotes
POST /api/v1/quote returns the base order parameters in quote, plus quote metadata such as expiration and id. If your integration applies client-side slippage or partner fees before signing, see the API Integration Guide for the full amount-adjustment flow.Orders
Trades
Auction
Interactive Reference
Browse the interactive Orderbook endpoint docs directly in this site under Orderbook Endpoints in the left navigation. Those pages are generated from the upstream OpenAPI specification, so users can inspect parameters, schemas, and playground requests without leaving docs.cow.bleu.builders.
If you want the most common raw API references directly, start with POST /api/v1/quote, POST /api/v1/orders, GET /api/v1/orders/{UID}, and GET /api/v2/trades.
If you need the upstream spec directly, use .
SDK Access
For programmatic access, you can use either SDK instead of calling the HTTP API directly:
For the raw HTTP flow, start with the API Integration Guide. Last modified on March 17, 2026
