API Reference - Eco Docs

Each API group is documented from its OpenAPI spec, request/response shapes, validation rules, and error handling are authoritative.

API groups

API	Purpose	Base URL
Quotes & Intents	Get pricing for a candidate intent, query intent status	`https://quotes.eco.com`
Gateway Fast Deposits	Create quoted Gateway deposit vaults, queue gasless funding, poll status	`https://api.eco.com`
Solver Registry	Register and update solver endpoints (signed requests)	`https://quotes.eco.com`
Solver Interface	Solver-implemented endpoints Eco calls for quoting	Solver-hosted

Used by integrators to get quotes from solvers and track fulfillment.

Endpoint	Purpose
`POST /api/v3/quotes/single`	Best single quote for a candidate intent
`POST /api/v3/quotes/exactIn`	Exact-input quotes
`POST /api/v3/quotes/exactOut`	Exact-output quotes
`POST /api/v3/intents/intentStatus`	Status of one or more intents
`POST /api/v3/intents/status`	Alternate status endpoint

No authentication required. Pass an identifier as dAppID in the request body for attribution.

→ Gateway Fast Deposits API, create quoted Gateway deposit vaults and gasless funding endpoints

For solvers registering with Eco. Requests are signed.

Endpoint	Purpose
`POST /api/v1/solverRegistry/registerSolver`	Register a new solver
`PATCH /api/v1/solverRegistry/updateSolver`	Update solver configuration

Endpoints solvers implement that Eco’s quote aggregator calls.

Endpoint	Required for
`POST /api/v2/quote`	All solvers
`POST /api/v2/quote/reverse`	All solvers

Environment	Quotes / Intents	Programmable Addresses
Mainnet	`https://quotes.eco.com`	`https://api.eco.com`