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

# Send Blockchain Message

> Send message to blockchain



## OpenAPI

````yaml POST /v2/blockchain/message
openapi: 3.0.0
info:
  title: REST api to TON blockchain explorer
  version: 2.0.0
  description: Provide access to indexed TON blockchain
  contact:
    name: Support
    email: support@tonkeeper.com
servers:
  - url: https://tonapi.io
  - url: https://testnet.tonapi.io
  - url: http://localhost:8081
security: []
tags:
  - name: Accounts
    externalDocs:
      description: Additional documentation
      url: https://docs.tonconsole.com/tonapi/rest-api/accounts
  - name: NFT
    externalDocs:
      description: Additional documentation
      url: https://docs.tonconsole.com/tonapi/rest-api/nft
  - name: Jettons
    externalDocs:
      description: Additional documentation
      url: https://docs.tonconsole.com/tonapi/rest-api/jettons
  - name: DNS
    externalDocs:
      description: Additional documentation
      url: https://docs.tonconsole.com/tonapi/rest-api/dns
  - name: Wallet
    externalDocs:
      description: Additional documentation
      url: https://docs.tonconsole.com/tonapi/rest-api/wallet
  - name: Rates
    externalDocs:
      description: Additional documentation
      url: https://docs.tonconsole.com/tonapi/rest-api/rates
  - name: Staking
    externalDocs:
      description: Additional documentation
      url: https://docs.tonconsole.com/tonapi/rest-api/staking
  - name: Traces
    externalDocs:
      description: Additional documentation
      url: https://docs.tonconsole.com/tonapi/rest-api/traces
  - name: Events
    externalDocs:
      description: Additional documentation
      url: https://docs.tonconsole.com/tonapi/rest-api/events
  - name: Storage
    externalDocs:
      description: Additional documentation
      url: https://docs.tonconsole.com/tonapi/rest-api/storage
  - name: Connect
    externalDocs:
      description: Additional documentation
      url: https://docs.tonconsole.com/tonapi/rest-api/connect
  - name: Gasless
    externalDocs:
      description: Additional documentation
      url: https://docs.tonconsole.com/tonapi/rest-api/gasless
  - name: Multisig
    externalDocs:
      description: Additional documentation
      url: https://docs.tonconsole.com/tonapi/rest-api/multisig
  - name: Blockchain
    externalDocs:
      description: Additional documentation
      url: https://docs.tonconsole.com/tonapi/rest-api/blockchain
  - name: Lite Server
    externalDocs:
      description: Additional documentation
      url: https://docs.tonconsole.com/tonapi/rest-api/lite-server
  - name: Emulation
    externalDocs:
      description: Additional documentation
      url: https://docs.tonconsole.com/tonapi/rest-api/emulation
  - name: Utilities
    externalDocs:
      description: Additional documentation
      url: https://docs.tonconsole.com/tonapi/rest-api/utilities
  - name: ExtraCurrency
    externalDocs:
      description: Additional documentation
      url: https://docs.tonconsole.com/tonapi/rest-api/extra-currency
  - name: Purchases
paths:
  /v2/blockchain/message:
    post:
      tags:
        - Blockchain
      description: Send message to blockchain
      operationId: sendBlockchainMessage
      requestBody:
        $ref: '#/components/requestBodies/BatchBoc'
      responses:
        '200':
          description: the message has been sent
        default:
          $ref: '#/components/responses/Error'
components:
  requestBodies:
    BatchBoc:
      description: >-
        both a single boc and a batch of boc serialized in base64/hex are
        accepted
      required: true
      content:
        application/json:
          schema:
            type: object
            properties:
              boc:
                type: string
                format: cell
              batch:
                type: array
                maxItems: 5
                items:
                  type: string
                  format: cell
              meta:
                type: object
                additionalProperties:
                  type: string
  responses:
    Error:
      description: Some error during request processing
      content:
        application/json:
          schema:
            type: object
            required:
              - error
            properties:
              error:
                type: string
              error_code:
                type: integer
                format: int64

````