> ## Documentation Index
> Fetch the complete documentation index at: https://docs.solanatracker.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Block subscribe



## AsyncAPI

````yaml solana-rpc/websocket/asyncapi.json blockSubscribe
id: blockSubscribe
title: Block subscribe
description: ''
servers:
  - id: production
    protocol: wss
    host: rpc-mainnet.solanatracker.io
    bindings: []
    variables: []
address: /
parameters: []
bindings: []
operations:
  - &ref_0
    id: subscribeToBlocks
    title: Subscribe to blocks
    type: send
    messages:
      - &ref_1
        id: blockSubscribe
        payload:
          - name: blockSubscribe
            description: Subscribe to block notifications
            type: object
            properties:
              - name: jsonrpc
                type: string
                description: '2.0'
                required: false
              - name: id
                type: integer
                required: false
              - name: method
                type: string
                description: blockSubscribe
                required: false
              - name: params
                type: array
                required: false
        headers: []
        jsonPayloadSchema:
          type: object
          properties:
            jsonrpc:
              type: string
              const: '2.0'
              default: '2.0'
              x-parser-schema-id: <anonymous-schema-31>
            id:
              type: integer
              default: 1
              x-parser-schema-id: <anonymous-schema-32>
            method:
              type: string
              const: blockSubscribe
              default: blockSubscribe
              x-parser-schema-id: <anonymous-schema-33>
            params:
              type: array
              items:
                - oneOf:
                    - type: string
                      const: all
                      description: Subscribe to all blocks
                      default: all
                      x-parser-schema-id: <anonymous-schema-36>
                    - type: object
                      properties:
                        mentionsAccountOrProgram:
                          type: string
                          description: Filter by account or program
                          x-parser-schema-id: <anonymous-schema-38>
                      x-parser-schema-id: <anonymous-schema-37>
                  x-parser-schema-id: <anonymous-schema-35>
                - type: object
                  description: Configuration options
                  properties:
                    commitment:
                      type: string
                      enum:
                        - finalized
                        - confirmed
                      default: finalized
                      x-parser-schema-id: <anonymous-schema-40>
                    encoding:
                      type: string
                      enum:
                        - json
                        - jsonParsed
                        - base64
                        - base58
                      default: json
                      x-parser-schema-id: <anonymous-schema-41>
                    transactionDetails:
                      type: string
                      enum:
                        - full
                        - signatures
                        - accounts
                        - none
                      default: full
                      x-parser-schema-id: <anonymous-schema-42>
                    showRewards:
                      type: boolean
                      default: false
                      x-parser-schema-id: <anonymous-schema-43>
                    maxSupportedTransactionVersion:
                      type: integer
                      default: 0
                      x-parser-schema-id: <anonymous-schema-44>
                  x-parser-schema-id: <anonymous-schema-39>
              x-parser-schema-id: <anonymous-schema-34>
          examples:
            - jsonrpc: '2.0'
              id: 1
              method: blockSubscribe
              params:
                - all
            - jsonrpc: '2.0'
              id: 1
              method: blockSubscribe
              params:
                - all
                - commitment: confirmed
                  encoding: json
                  transactionDetails: full
                  showRewards: true
                  maxSupportedTransactionVersion: 0
          x-parser-schema-id: <anonymous-schema-30>
        title: Block subscribe
        description: Subscribe to block notifications
        example: |-
          {
            "jsonrpc": "2.0",
            "id": 1,
            "method": "blockSubscribe",
            "params": [
              "all"
            ]
          }
        bindings: []
        extensions:
          - id: x-parser-unique-object-id
            value: blockSubscribe
          - id: x-parser-message-name
            value: blockSubscribe
    bindings: []
    extensions:
      - id: x-parser-unique-object-id
        value: blockSubscribe
sendOperations: []
receiveOperations:
  - *ref_0
sendMessages: []
receiveMessages:
  - *ref_1
extensions:
  - id: x-parser-unique-object-id
    value: blockSubscribe
securitySchemes:
  - id: apiKeyAuth
    name: api_key
    type: httpApiKey
    description: >-
      API key for authentication. Provide your Solana Tracker API key as a query
      parameter.
    in: query
    extensions: []

````