CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage. 75% of retail investor accounts lose money when trading CFDs with this provider. You should consider whether you understand how CFDs work and whether you can afford to take the high risk of losing your money.
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API Documentation

General information

  • Open API documentation: https://open-api.capital.com/
  • Base URL: https://api-capital.backend-capital.com/
  • Base URL demo: https://demo-api-capital.backend-capital.com/
  • WebSocket streaming service:
    wss://api-streaming-capital.backend-capital.com/connect
  • In order to use the endpoints a session should be launched. This can be done using the POST ​​/session endpoint.
  • The API covers the full range of available instruments, licences and trading functionality.
  • Trading, general account and market prices functionality is available with the REST API GET /prices prices can be also found in the WebSocket API.

API limitations

  • The maximum request rate is 10 per second.
  • WebSocket session duration is 10 minutes. In order to keep the session live use the ping endpoint.
  • POST /positions and POST /workingOrders endpoint limit is 1000 requests per hour in the Demo account.
  • The WebSocket API allows subscription to a maximum of 40 instruments.
  • WebSocket streaming falls off when the financial account is changed with the help of the PUT​ /session endpoint.

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