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Documentation Index

Fetch the complete documentation index at: https://www.helius.dev/docs/llms.txt

Use this file to discover all available pages before exploring further.

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Endpoints

Websockets are available on mainnet and devnet with the following URLs:
  • Mainnet wss://mainnet.helius-rpc.com/?api-key=<api-key>
  • Devnet wss://devnet.helius-rpc.com/?api-key=<api-key>
Websockets have a 10-minute inactivity timer; implementing health checks and sending pings every minute is heavily recommended to keep the websocket connection alive.

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Authorizations

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api-key
string
required
Your Helius API key. You can get one for free in the dashboard.

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Body

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params
array
required

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Response

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result
boolean
Unsubscribe success message.
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "slotUnsubscribe",
  "params": [
    0
  ]
}

{
  "jsonrpc": "2.0",
  "result": true,
  "id": 1
}