checker Dev Portal
Documentation

API reference

One signed, versioned REST interface for trading, payments and market data. Browse what each API offers here, then open the full reference for every parameter, schema and example.

Open the full reference How to sign requests
Sandbox base URL https://api-staging.checker.finance
AuthenticationHMAC-SHA256 request signing with your API key and secret
RFQ to execution through one integration

Trading API

View in docs

Request quotes from multiple liquidity providers, compare them, and execute trades. Supports the full request-for-quote lifecycle for takers and quoters.

  • Multi-provider quotes
  • RFQ lifecycle
  • Order execution
Request for quote9
  • POST/request-for-quotes Create a request for quote
  • GET/request-for-quotes List RFQs by status
  • GET/request-for-quotes/{id} Get an RFQ
  • GET/request-for-quotes/{id}/status Get RFQ status
  • GET/request-for-quotes/{id}/quotes List the quotes for an RFQ
  • PUT/request-for-quotes/{id} Amend an RFQ
  • POST/request-for-quotes/{id}/execute Execute the RFQ and trade
  • POST/request-for-quotes/{id}/cancel Cancel with a reason
  • DELETE/request-for-quotes/{id} Cancel an RFQ
Quotes5
  • POST/quotes Create a quote
  • GET/quotes/{id} Get a quote
  • POST/quotes/{id}/accept Accept a quote
  • POST/quotes/{id}/reject Reject a quote with a reason
  • DELETE/quotes/{id} Reject a quote
Orders3
  • POST/orders Create an order
  • GET/orders List orders
  • GET/orders/{id} Get an order
Liquidity providers and assets4
  • GET/meta/liquidity-providers List supported providers
  • GET/meta/liquidity-providers/{id} Get a provider
  • GET/meta/liquidity-providers/{id}/assets Assets a provider supports
  • GET/meta/assets List supported assets
Accounts, customers and payouts

Payments API

View in docs

Open fiat accounts, manage customers and beneficiaries, and send domestic and cross-border payments with real-time balances and status. USD accounts and payouts to China are enabled per organization from your dashboard. The list below is a highlight; the full reference covers every endpoint.

  • USD accounts
  • Payouts to China
  • Real-time status
Customers and accounts4
  • POST/v1/payments/customers Create a customer
  • POST/v1/payments/customers/{id}/onboard Onboard a customer
  • GET/v1/payments/accounts List accounts
  • GET/v1/payments/accounts/{id}/balance Get an account balance
Beneficiaries2
  • POST/v1/payments/beneficiaries Create a beneficiary
  • GET/v1/payments/beneficiaries List beneficiaries
Money movement5
  • POST/v1/payments/deposits Initiate a deposit
  • POST/v1/payments/quotes Request FX quotes
  • POST/v1/payments/conversions Execute a conversion
  • POST/v1/payments/withdrawals Initiate a withdrawal
  • GET/v1/payments/transactions List transactions
Sandbox tools1
  • POST/v1/payments/sandbox/simulate-credit Simulate an inbound credit (sandbox only)
Prices and candles across venues

Market Data API

View in docs

Real-time and historical pricing aggregated across venues, with waterfall fallback, OHLCV candles at multiple granularities, and venue, asset and instrument metadata.

  • Multi-venue aggregation
  • OHLCV candles
  • Venue metadata
Pricing2
  • GET/prices/{instrument} Latest price, with venue fallback
  • GET/prices/{instrument}/venue/{venue} Latest price from one venue
Candles2
  • GET/candles/{instrument} OHLCV candles, with venue fallback
  • GET/candles/{instrument}/venue/{venue} OHLCV candles from one venue
Reference data7
  • GET/venues List venues
  • GET/venues/{code} Get a venue
  • GET/assets List assets
  • GET/assets/{symbol} Get an asset
  • GET/instruments List instruments
  • GET/instruments/{symbol} Get an instrument
  • GET/instruments/{symbol}/venues Venues quoting an instrument

Need a parameter or schema?

The full reference documents every request field, response, error code and example payload.

Open the full reference