# Epsilon Public API API

**Canonical:** https://apis.io/apis/epsilon-exchange/epsilon-public-api-api/  
**Provider:** Epsilon — https://apis.io/providers/epsilon-exchange/  
**Base URL:** https://api.epsilon.exchange  
**Documentation:** https://developers.epsilon.exchange/api/

Epsilon Public API API is one of 2 APIs that [Epsilon](https://apis.io/providers/epsilon-exchange/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. The published artifact set on APIs.io includes an OpenAPI specification.

Public API for the Epsilon order engine on Robinhood Chain. Quotes, routes, market data, and EIP-712 signed order submission (limit, stop-loss, DCA, trailing). Authenticate with an API key (`X-API-Key: eps_...`) created via the developer surface; order authorization is the maker's signature. Docs: h

## Operations (13)

| Method | Path | Summary |
|---|---|---|
| GET | `/v1/route` | Best route for a swap |
| GET | `/v1/quote` | Indicative quotes across venues |
| GET | `/v1/order-preflight` | Simulate an order before signing |
| GET | `/v1/orders/{hash}` | Order detail by hash |
| DELETE | `/v1/orders/{hash}` | Cancel a pending order |
| GET | `/v1/orders/{hash}/fills` | Fills for an order |
| GET | `/v1/orderbook/{pair}` | Open orders for a pair |
| GET | `/v1/swaps` | Recent swaps |
| GET | `/v1/volume` | Volume aggregates |
| GET | `/v1/stats` | Engine-wide counters |
| GET | `/v1/errors` | Machine-readable error catalog |
| GET | `/v1/config` | Chain and router configuration |
| POST | `/v1/orders` | Submit a signed order |

## Machine-readable artifacts (1)

- **OpenAPI** — https://artifacts.apis.io/epsilon-exchange/openapi/_original/epsilon-exchange-api-openapi.json

## Other Epsilon APIs (1)

- [Epsilon Public API](https://apis.io/apis/epsilon-exchange/epsilon-public-api/)

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