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In this article:

  • HTTP request
  • Body parameters
  • ExecutionInput
  • Response
  1. Workflows API reference
  2. REST
  3. Execution
  4. Start

Workflows Service, REST: Execution.Start

Written by
Yandex Cloud
Updated at October 30, 2025
  • HTTP request
  • Body parameters
  • ExecutionInput
  • Response

Starts new Workflow execution.

HTTP requestHTTP request

POST https://serverless-workflows.api.cloud.yandex.net/workflows/v1/execution/start

Body parametersBody parameters

{
  "workflowId": "string",
  "input": {
    // Includes only one of the fields `inputJson`
    "inputJson": "string"
    // end of the list of possible fields
  }
}

Field

Description

workflowId

string

Required field. ID of the Workflow.

input

ExecutionInput

Input for the Workflow execution

ExecutionInputExecutionInput

Field

Description

inputJson

string

JSON input data for the Workflow execution.

Includes only one of the fields inputJson.

ResponseResponse

HTTP Code: 200 - OK

{
  "executionId": "string"
}

Field

Description

executionId

string

ID of the Workflow execution.

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