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docs.near.orgapi reference › post block

Post block

Updated 04-11-2026

POST /block Returns block details for given height or hash

Request body (application/json):

  • id (string): JSON-RPC request id. Auto-populated; can be any string.
  • jsonrpc (string): JSON-RPC protocol version. Always 2.0. one of 2.0
  • method (string, required): one of block
  • params (object, required): one of block_id:
    • block_id (required): one of block_height: integer CryptoHash: string finality:
    • finality (string, required): Different types of finality. one of optimistic, near-final, final sync_checkpoint:
    • sync_checkpoint (string, required): one of genesis, earliest_available

Responses: 200: no description result: - result (object, required) - author (required): The AccountId of the author of the Block. - chunks (array of object, required) - header (object, required): Contains main info about the block. error: - error (required): one of name, cause: object name, cause: object name, cause: object