---
title: "POST /push_block"
method: POST
path: "/push_block"
---

# POST /push_block

`POST /push_block`

Sends a block to the blockchain.

## Request body

- Block
  - `timestamp` string, required — Date/time string in the format YYYY-MM-DDTHH:MM:SS.sss
  - `producer` union, required
    - string
    - union
      - string — String representation of privileged EOSIO name type
      - string — String representation of basic EOSIO name type, must be 12 characters and contain only a-z and 0-5
      - string — String representation of EOSIO bid name type, 1-12 characters and only a-z and 0-5 are allowed
      - string — String representation of EOSIO name type
  - `confirmed` integer, required — number of prior blocks confirmed by this block producer in current schedule
  - `previous` string, required
  - `transaction_mroot` string, required
  - `action_mroot` string, required
  - `schedule_version` integer, required — number of times producer schedule has changed since genesis
  - `new_producers` ProducerSchedule, required — A json object that encapsulates the list of producers schedule and its version.
    - `version` integer — The version of the producers schedule list. Version is an integer subsequently incremented.
    - `producers` object[] — The list of producers.
      - `producer_name` string — The name of the producer.
      - `authority` object[] — Array that has as first element the version of the authority json objects and then the objects themselves.
        - `threshold` integer — The threshold value for the producer's authority.
        - `keys` object[] — An array of producers keys definition.
          - `key` string — The public key associated with the producer.
          - `weight` integer — The weight of the key in the producer's authority.
  - `header_extensions` union[]
    - union
      - integer
      - string
  - `new_protocol_features` object[] — list of new protocol features
  - `producer_signature` string, required — Base58 encoded EOSIO cryptographic signature
  - `transactions` TransactionReceipt[] — list of valid transaction receipts included in block
    - `status` 'executed' | 'soft_fail' | 'hard_fail' | 'delayed' | 'expired', required — status: * `executed` - Succeed, no error handler executed * `soft_fail` - Objectively failed (not executed), error handler executed * `hard_fail` - Objectively failed and error handler objectively failed thus no state change * `delayed` - Used by delayed-user transactions for timer-based executions * `expired` - Transaction expired and storage space refunded to user
    - `cpu_usage_us` integer, required
    - `net_usage_words` integer, required
    - `trx` union, required
      - string
      - PackedTransaction
        - `id` string, required
        - `signatures` Signature[], required
        - `compression` string, required
        - `packed_context_free_data` string, required
        - `context_free_data` string[], required
        - `packed_trx` string, required
        - `transaction` Transaction, required
          - `expiration` string, required — Date/time string in the format YYYY-MM-DDTHH:MM:SS
          - `ref_block_num` integer, required
          - `ref_block_prefix` integer, required — 32-bit portion of block ID
          - `max_net_usage_words` union, required — A whole number
            - string
            - integer
          - `max_cpu_usage_ms` union, required — A whole number
            - string
            - integer
          - `delay_sec` integer, required
          - `context_free_actions` Action[], required
            - `account` union, required
              - …
            - `name` union, required
              - …
            - `authorization` Authority[], required
              - …
            - `data` object, required
            - `hex_data` string, required
          - `actions` Action[], required
            - `account` union, required
              - …
            - `name` union, required
              - …
            - `authorization` Authority[], required
              - …
            - `data` object, required
            - `hex_data` string, required
          - `transaction_extensions` Extension[]
            - union[]
              - …
  - `block_extensions` union[]
    - union
      - integer
      - string
  - `id` string
  - `block_num` integer — height of this block in the chain
  - `ref_block_prefix` integer — 32-bit portion of block ID

## Response `200`

OK

- unknown

---

[API](https://skmtc.net/worldwide-asset-exchange/apis/chain-api.md) · [All operations](https://skmtc.net/worldwide-asset-exchange/apis/chain-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/worldwide-asset-exchange/chain-api/versions/5bfa22186461/schema)