> ## 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.

# getEpochSchedule

> Runs the Solana RPC `getEpochSchedule` method.



## OpenAPI

````yaml getepochschedule post /
openapi: 3.1.0
info:
  title: Solana RPC
  version: 1.0.0
  description: Solana RPC HTTP method reference.
servers:
  - url: https://rpc-mainnet.solanatracker.io
    description: Mainnet RPC endpoint
security: []
paths:
  /:
    post:
      summary: Run `getEpochSchedule`
      description: Runs the Solana RPC `getEpochSchedule` method.
      operationId: getepochschedule
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                jsonrpc:
                  allOf:
                    - type: string
                      description: The JSON-RPC protocol version.
                      enum:
                        - '2.0'
                      example: '2.0'
                      default: '2.0'
                id:
                  allOf:
                    - type: string
                      description: A unique identifier for the request.
                      example: '1'
                      default: '1'
                method:
                  allOf:
                    - type: string
                      description: The name of the RPC method to invoke.
                      enum:
                        - getEpochSchedule
                      example: getEpochSchedule
                      default: getEpochSchedule
              required:
                - jsonrpc
                - id
                - method
                - params
            examples:
              request:
                value:
                  jsonrpc: '2.0'
                  id: db16f277-1a22-41ff-9f85-f37e2cd77900
                  method: getEpochSchedule
      responses:
        '200':
          description: Successfully retrieved epoch schedule information.
          content:
            application/json:
              schema:
                type: object
                properties:
                  jsonrpc:
                    allOf:
                      - type: string
                        description: The JSON-RPC protocol version.
                        enum:
                          - '2.0'
                        example: '2.0'
                  id:
                    allOf:
                      - type: string
                        description: Identifier matching the request.
                        example: '1'
                  result:
                    allOf:
                      - type: object
                        description: >-
                          Comprehensive timing constants that define the epoch
                          structure of the Solana blockchain.
                        properties:
                          slotsPerEpoch:
                            type: integer
                            description: >-
                              Number of slots that constitute a complete Solana
                              epoch during normal operation (after warm-up
                              period).
                            example: 8192
                          leaderScheduleSlotOffset:
                            type: integer
                            description: >-
                              Offset before an epoch when the validator leader
                              schedule for the next epoch is calculated and
                              published.
                            example: 8192
                          warmup:
                            type: boolean
                            description: >-
                              Boolean indicating if the network uses a warmup
                              period with gradually increasing epoch lengths at
                              genesis.
                            example: true
                          firstNormalEpoch:
                            type: integer
                            description: >-
                              The first epoch number that reaches full standard
                              length as defined by slotsPerEpoch.
                            example: 8
                          firstNormalSlot:
                            type: integer
                            description: >-
                              The absolute slot number when epochs begin their
                              standard length after the initial warmup period.
                            example: 8160
              examples:
                response:
                  value:
                    jsonrpc: '2.0'
                    id: db16f277-1a22-41ff-9f85-f37e2cd77900
                    result:
                      slotsPerEpoch: 8192
                      leaderScheduleSlotOffset: 8192
                      warmup: true
                      firstNormalEpoch: 8
                      firstNormalSlot: 8160
        '400':
          description: Bad Request - Invalid request parameters or malformed request.
          content:
            application/json:
              schema:
                type: object
                properties:
                  jsonrpc:
                    allOf:
                      - type: string
                        description: The JSON-RPC protocol version.
                        enum:
                          - '2.0'
                        example: '2.0'
                  error:
                    allOf:
                      - type: object
                        properties:
                          code:
                            type: integer
                            description: The error code.
                            example: -32602
                          message:
                            type: string
                            description: The error message.
                          data:
                            type: object
                            description: Additional data about the error.
                  id:
                    allOf:
                      - type: string
                        description: Identifier matching the request.
                        example: '1'
                refIdentifier: '#/components/schemas/ErrorResponse'
              examples:
                example:
                  value:
                    jsonrpc: '2.0'
                    error:
                      code: -32602
                      message: Invalid params
        '401':
          description: Unauthorized - Invalid or missing API key.
          content:
            application/json:
              schema:
                type: object
                properties:
                  jsonrpc:
                    allOf:
                      - type: string
                        description: The JSON-RPC protocol version.
                        enum:
                          - '2.0'
                        example: '2.0'
                  error:
                    allOf:
                      - type: object
                        properties:
                          code:
                            type: integer
                            description: The error code.
                            example: -32602
                          message:
                            type: string
                            description: The error message.
                          data:
                            type: object
                            description: Additional data about the error.
                  id:
                    allOf:
                      - type: string
                        description: Identifier matching the request.
                        example: '1'
                refIdentifier: '#/components/schemas/ErrorResponse'
              examples:
                example:
                  value:
                    jsonrpc: '2.0'
                    error:
                      code: -32001
                      message: Unauthorized
        '429':
          description: Too Many Requests - Rate limit exceeded.
          content:
            application/json:
              schema:
                type: object
                properties:
                  jsonrpc:
                    allOf:
                      - type: string
                        description: The JSON-RPC protocol version.
                        enum:
                          - '2.0'
                        example: '2.0'
                  error:
                    allOf:
                      - type: object
                        properties:
                          code:
                            type: integer
                            description: The error code.
                            example: -32602
                          message:
                            type: string
                            description: The error message.
                          data:
                            type: object
                            description: Additional data about the error.
                  id:
                    allOf:
                      - type: string
                        description: Identifier matching the request.
                        example: '1'
                refIdentifier: '#/components/schemas/ErrorResponse'
              examples:
                example:
                  value:
                    jsonrpc: '2.0'
                    error:
                      code: -32005
                      message: Too many requests
                    id: db16f277-1a22-41ff-9f85-f37e2cd77900
        '500':
          description: Internal Server Error - An error occurred on the server.
          content:
            application/json:
              schema:
                type: object
                properties:
                  jsonrpc:
                    allOf:
                      - type: string
                        description: The JSON-RPC protocol version.
                        enum:
                          - '2.0'
                        example: '2.0'
                  error:
                    allOf:
                      - type: object
                        properties:
                          code:
                            type: integer
                            description: The error code.
                            example: -32602
                          message:
                            type: string
                            description: The error message.
                          data:
                            type: object
                            description: Additional data about the error.
                  id:
                    allOf:
                      - type: string
                        description: Identifier matching the request.
                        example: '1'
                refIdentifier: '#/components/schemas/ErrorResponse'
              examples:
                example:
                  value:
                    jsonrpc: '2.0'
                    error:
                      code: -32603
                      message: Internal error
                    id: db16f277-1a22-41ff-9f85-f37e2cd77900
      security:
        - ApiKeyQuery: []
components:
  securitySchemes:
    ApiKeyQuery:
      type: apiKey
      in: query
      name: api_key

````