HTTP Task

"type" : "HTTP"

The HTTP task (HTTP) is useful for make calls to remote services exposed over HTTP/HTTPS. It supports various HTTP methods, headers, body content, and other configurations needed for interacting with APIs or remote services.

The data returned in the HTTP call can be referenced in subsequent tasks as inputs, enabling you to chain multiple tasks or HTTP calls to create complex flows without writing any additional code.

Task parameters

The HTTP request parameters can be specified directly in inputParameters or nested inside inputParameters.http_request. Both forms are supported — the flat form is simpler for most use cases.

Parameter	Type	Description	Required / Optional
uri	String	The URI for the HTTP service. Supports dynamic references like ${workflow.input.url}.	Required.
method	String	The HTTP method. Supported methods: GET, PUT, POST, PATCH, DELETE, OPTIONS, HEAD, TRACE.	Required.
accept	String	The accept header required by the server. Default: application/json.	Optional.
contentType	String	The content type for the request. Default: application/json.	Optional.
headers	Map[String, Any]	A map of additional HTTP headers to be sent along with the request. See Sending headers below.	Optional.
body	Map[String, Any]	The request body.	Required for POST, PUT, or PATCH methods.
asyncComplete	Boolean	Whether the task is completed asynchronously. Default: false. When true, the task stays IN_PROGRESS until an external event marks it as complete.	Optional.
connectionTimeOut	Integer	The connection timeout in milliseconds. Default: 100. Set to 0 for no timeout.	Optional.
readTimeOut	Integer	Read timeout in milliseconds. Default: 150. Set to 0 for no timeout.	Optional.

Configuration JSON

Here is the task configuration for an HTTP task. Note that parameters are specified directly in inputParameters:

{
  "name": "http",
  "taskReferenceName": "http_ref",
  "type": "HTTP",
  "inputParameters": {
    "uri": "https://api.example.com/data",
    "method": "POST",
    "headers": {
      "Authorization": "Bearer ${workflow.input.api_token}",
      "X-Request-Id": "${workflow.correlationId}"
    },
    "body": {
      "key": "value"
    }
  }
}

Legacy http_request form

The nested inputParameters.http_request form is still supported for backward compatibility:

"inputParameters": {
  "http_request": {
    "uri": "https://api.example.com/data",
    "method": "POST",
    "body": { "key": "value" }
  }
}

Both forms work identically. The flat form (shown above) is recommended for new workflows.

Sending headers

Use the headers parameter to send custom HTTP headers, including authentication:

Bearer token authentication

{
  "name": "call_api",
  "taskReferenceName": "call_api_ref",
  "type": "HTTP",
  "inputParameters": {
    "uri": "https://api.example.com/protected/resource",
    "method": "GET",
    "headers": {
      "Authorization": "Bearer ${workflow.input.access_token}"
    }
  }
}

API key authentication

{
  "name": "call_api",
  "taskReferenceName": "call_api_ref",
  "type": "HTTP",
  "inputParameters": {
    "uri": "https://api.example.com/data",
    "method": "GET",
    "headers": {
      "X-API-Key": "${workflow.input.api_key}"
    }
  }
}

Basic authentication

{
  "name": "call_api",
  "taskReferenceName": "call_api_ref",
  "type": "HTTP",
  "inputParameters": {
    "uri": "https://api.example.com/data",
    "method": "GET",
    "headers": {
      "Authorization": "Basic ${workflow.input.basic_auth_token}"
    }
  }
}

Multiple custom headers

{
  "name": "call_api",
  "taskReferenceName": "call_api_ref",
  "type": "HTTP",
  "inputParameters": {
    "uri": "https://api.example.com/data",
    "method": "POST",
    "headers": {
      "Authorization": "Bearer ${workflow.input.token}",
      "X-Correlation-Id": "${workflow.correlationId}",
      "X-Request-Source": "conductor",
      "Accept-Language": "en-US"
    },
    "body": {
      "data": "${workflow.input.payload}"
    }
  }
}

Output

The HTTP task will return the following parameters.

Name	Type	Description
response	Map[String, Any]	The JSON body containing the request response, if available.
response.headers	Map[String, Any]	The response headers.
response.statusCode	Integer	The HTTP status code indicating the request outcome.
response.reasonPhrase	String	The reason phrase associated with the HTTP status code.
response.body	Map[String, Any]	The response body containing the data returned by the endpoint.

Execution

The HTTP task is moved to COMPLETED status once the remote service responds successfully.

If your HTTP tasks are not getting picked up, you might have too many HTTP tasks in the task queue. Consider using Isolation Groups to prioritize certain HTTP tasks over others.

Examples

Here are some examples for using the HTTP task.

GET Method

{
  "name": "Get Example",
  "taskReferenceName": "get_example",
  "type": "HTTP",
  "inputParameters": {
    "uri": "https://jsonplaceholder.typicode.com/posts/${workflow.input.queryid}",
    "method": "GET"
  }
}

POST Method

{
  "name": "http_post_example",
  "taskReferenceName": "post_example",
  "type": "HTTP",
  "inputParameters": {
    "uri": "https://jsonplaceholder.typicode.com/posts/",
    "method": "POST",
    "body": {
      "title": "${get_example.output.response.body.title}",
      "userId": "${get_example.output.response.body.userId}",
      "action": "doSomething"
    }
  }
}

PUT Method

{
  "name": "http_put_example",
  "taskReferenceName": "put_example",
  "type": "HTTP",
  "inputParameters": {
    "uri": "https://jsonplaceholder.typicode.com/posts/1",
    "method": "PUT",
    "body": {
      "title": "${get_example.output.response.body.title}",
      "userId": "${get_example.output.response.body.userId}",
      "action": "doSomethingDifferent"
    }
  }
}

DELETE Method

{
  "name": "DELETE Example",
  "taskReferenceName": "delete_example",
  "type": "HTTP",
  "inputParameters": {
    "uri": "https://jsonplaceholder.typicode.com/posts/1",
    "method": "DELETE"
  }
}