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Blockchain.com Trading API

Post orders and get information about historical trades

This API exposes 7 operations across 4 paths, and defines 15 schemas. It is described by OpenAPI 3.2.0, at version 1.0.0.

Requests are made against a single base URL, https://api.blockchain.com/v3/exchange.

7 operations 4 paths 15 schemas 2 DELETE4 GET1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
1.0.0
Base URL
https://api.blockchain.com/v3/exchange
Authentication
API Key
Resource Areas
1

Authentication & Security 1

Blockchain.com Trading API declares 1 security scheme for authenticating requests. An API key is passed in the header as X-API-Token (ApiKeyAuth). By default, every request must be authenticated.

Paths & Operations 7

Across 4 paths, the API surfaces 7 operations — 2 DELETE, 4 GET, 1 POST. Each is listed below with its method, path, parameters, and response codes.

trading 7

Post orders and get information about historical trades

GET
/fees
Get current fee level
getFees → 200
GET
/orders
Get a list orders
getOrders 5 params → 200
POST
/orders
Add an order
createOrder body → 200
DELETE
/orders
Delete all open orders (of a symbol, if specified)
deleteAllOrders 1 param → 200
GET
/orders/{orderId}
Get a specific order
getOrderById 1 param → 200404
DELETE
/orders/{orderId}
Cancel a trade
deleteOrder 1 param → 200
GET
/trades
Get a list of filled orders
getFills 4 params → 200

Schemas 15

The contract defines 15 schemas that model the data the API accepts and returns. The most detailed are OrderSummary (14 properties), BaseOrder (10 properties), Fees (3 properties). Each schema is shown below with its type and property counts.

minQty
number
The minimum quantity required for an IOC fill
ExchangeOrderId
integer
The unique order id assigned by the exchange
ordType
string
side
string
"buy" for Buy, "sell" for Sell
orderQty
number
The order size in the terms of the base currency
ClientOrderId
string
Reference field provided by client. Cannot exceed 20 characters, only alphanumeric characters are allowed.
OrderSummary
object
14 properties 5 required
TimestampEpoch
integer
Time in ms since 01/01/1970 (epoch)
TimeInForce
string
"GTC" for Good Till Cancel, "IOC" for Immediate or Cancel, "FOK" for Fill or Kill, "GTD" Good Till Date
expireDate
integer
expiry date in the format YYYYMMDD
BaseOrder
object
10 properties 5 required
Fees
object
3 properties 3 required
price
number
The limit price for the order
symbol
string
Blockchain symbol identifier
OrderStatus
string

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

blockchain.com-trading-api-openapi.yml Raw ↑
Where this information came from

This is an independent, third-party profile of Blockchain.com Trading 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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