openapi: 3.1.0
info:
  title: "NEAR Protocol RPC: Send transaction and wait"
  description: Broadcast a base64-encoded `SignedTransaction`; blocks until execution completes or a 10-second timeout elapses. Deprecated — use `send_tx`. Example payloads are placeholders and cannot be replayed.
  version: 1.0.0
servers:
  - url: https://rpc.mainnet.fastnear.com
    description: Mainnet
  - url: https://rpc.testnet.fastnear.com
    description: Testnet
  - url: https://archival-rpc.mainnet.fastnear.com
    description: Mainnet Archival
  - url: https://archival-rpc.testnet.fastnear.com
    description: Testnet Archival
paths:
  /:
    post:
      operationId: broadcast_tx_commit
      summary: Send transaction and wait
      description: Broadcast a base64-encoded `SignedTransaction`; blocks until execution completes or a 10-second timeout elapses. Deprecated — use `send_tx`. Example payloads are placeholders and cannot be replayed.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - jsonrpc
                - id
                - method
                - params
              properties:
                jsonrpc:
                  type: string
                  enum:
                    - "2.0"
                id:
                  type: string
                  example: fastnear
                method:
                  type: string
                  enum:
                    - broadcast_tx_commit
                params:
                  type: object
                  properties:
                    signed_tx_base64:
                      type: string
                      description: Base64-encoded signed transaction
                    wait_until:
                      type: string
                      enum:
                        - NONE
                        - INCLUDED
                        - INCLUDED_FINAL
                        - EXECUTED
                        - EXECUTED_OPTIMISTIC
                        - FINAL
                      description: Desired level of execution status guarantee
                      default: EXECUTED_OPTIMISTIC
                  required:
                    - signed_tx_base64
            examples:
              mainnet:
                summary: Mainnet Example
                value:
                  jsonrpc: "2.0"
                  id: fastnear
                  method: broadcast_tx_commit
                  params:
                    signed_tx_base64: CQAAAG1pa2UubmVhcgD64cHVt7yB8HSzql1e8RLKSv2riwv7+vNviWHD/y95EgEAAAAAAAAADQAAAG1pa2V0ZXN0Lm5lYXJBM1Y72BJnk/V7dlrTRBxxxUxyB/JXo+hODCyF0woAEAEAAAADAQAAAAAAAAAAAAAAAAAAAADiGG3IJC5QsOBN70h+glB+U9nBYEXObdaPHMjXyu2YQbQUvALIWbdBBxhuR9VQ/fEXg7L0vGSCd9wCCrq0CFIF
              testnet:
                summary: Testnet Example
                value:
                  jsonrpc: "2.0"
                  id: fastnear
                  method: broadcast_tx_commit
                  params:
                    signed_tx_base64: DAAAAG1pa2UudGVzdG5ldAAnrCNE2/YvBtldmNpxP3k7ego/A6RxrtUvzhp3ngJJTQEAAAAAAAAAEAAAAG1pa2V0ZXN0LnRlc3RuZXTIRL9kr4DAnxTBWcN/e5852wyOE353mPf+XnCN73Z/hwEAAAADAQAAAAAAAAAAAAAAAAAAAADMWuZ8agklUGXpr759mp4DIsPFKgc+ZYFMjR6hjoPrNR9vPxFeLVm8jpLqr6+U9BnlQU7chIfUkeppU1YFvHsO
      responses:
        "200":
          description: Successful response
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/JsonRpcResponse"
        "403":
          description: The supplied API key was not recognized.
          content:
            text/plain:
              schema:
                type: string
              example: Invalid API key
security:
  - {}
  - BearerAuth: []
  - ApiKeyAuth: []
components:
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: "FastNEAR API key as an `Authorization: Bearer` header. Preferred for backends, workers, and proxies because it keeps the key out of URLs and logs."
    ApiKeyAuth:
      type: apiKey
      in: query
      name: apiKey
      description: FastNEAR API key as the `apiKey` query parameter. Handy for curl or clients that cannot set headers, but the key can end up in URLs, logs, and shell history.
  schemas:
    JsonRpcResponse:
      type: object
      required:
        - jsonrpc
        - id
      properties:
        jsonrpc:
          type: string
          enum:
            - "2.0"
        id:
          oneOf:
            - type: string
            - type: number
        result:
          type: object
          properties:
            final_execution_status:
              type: string
              enum:
                - NONE
                - INCLUDED
                - INCLUDED_FINAL
                - EXECUTED
                - EXECUTED_OPTIMISTIC
                - FINAL
              description: Desired level of execution status guarantee
            receipts:
              type: array
              items:
                type: object
              description: Receipts generated from the transaction
            receipts_outcome:
              type: array
              items:
                type: object
              description: The execution outcome of receipts.
            status:
              type: object
              description: One of multiple possible types
            transaction:
              type: object
              description: Signed Transaction
            transaction_outcome:
              type: object
              description: The execution outcome of the signed transaction.
          required:
            - final_execution_status
        error:
          type: object
          properties:
            code:
              type: integer
            message:
              type: string
            data:
              type: object