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Both public and private WebSocket API requests begin with a GET request that includes headers asking for an upgrade to the WebSocket protocol.

However, the private API WebSocket request also includes the standard private API headers.

The Sec-WebSocket-Key and Sec-WebSocket-Version headers shown in the examples will be added by your WebSocket client. See the WebSocket RFC for more detail.

Public API Request Headers

Code
 
GET wss://api.gemini.com/v1/marketdata/BTCUSD
Connection: Upgrade
Upgrade: websocket
Sec-WebSocket-Key: uRovscZjNol/umbTt5uKmw==
Sec-WebSocket-Version: 13

Private Request Headers

Code
 
GET wss://api.gemini.com/v1/order/events
Connection: Upgrade
Upgrade: websocket
Sec-WebSocket-Key: uRovscZjNol/umbTt5uKmw==
Sec-WebSocket-Version: 13
X-GEMINI-APIKEY: qOfnZJDZTTBsxdM3bVRP
X-GEMINI-PAYLOAD: eyJyZXF1ZXN0IjoiL3YxL29yZGVyL2V2ZW50cyIsIm5vbmNlIjoxNDc3OTYzMjQwNzQxMDgzMzA3fQ==
X-GEMINI-SIGNATURE: 88cd6f391d8f920a76a2060d613b519a8e8b4b3fb5bff089ea826d49ac73888bd479c0c2e2062ba60ba7afbe273132e3