Coinbase Sell API
Endpoints for discovering sell options and generating sell quotes for crypto-to-fiat transactions.
Coinbase Sell API is one of 29 APIs that Coinbase publishes on the APIs.io network, described by a machine-readable OpenAPI specification and an AsyncAPI event-driven specification.
Tagged areas include Sell. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an AsyncAPI specification.
This API exposes 2 operations across 2 paths, and defines 4 schemas. It is described by OpenAPI 3.2.0, at version 1.0.
Requests are made against a single base URL, https://api.developer.coinbase.com/onramp/v1.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 1
Coinbase Sell API declares
1 security scheme
for authenticating requests.
It accepts HTTP bearer tokens (bearerAuth).
By default, every request must be authenticated.
bearerAuth— Bearer token authentication using a CDP API key.
Paths & Operations 2
Across 2 paths, the API surfaces 2 operations — 1 GET, 1 POST. Each is listed below with its method, path, parameters, and response codes.
Endpoints for discovering sell options and generating sell quotes for crypto-to-fiat transactions.
Schemas 4
The contract defines 4 schemas that model the data the API accepts and returns. The most detailed are SellQuoteRequest (5 properties), PaymentCurrency (5 properties), PurchaseCurrency (5 properties), SellQuote (4 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from Coinbase 12
Other APIs Coinbase publishes across the network.
This is an independent, third-party profile of Coinbase Sell API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.
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