http_call>: Call workflow fetched by HTTP

http_call> operator makes a HTTP request, parse response body as workflow, and embeds it as a subtask. The operator is similar to call> operator. The difference is that another workflow is fetched from HTTP.

This operator parses response body based on returned Content-Type header. Content-Type must be set and following values are supported:

  • application/json: Parse the response as JSON.
  • application/x-yaml: Use the returned body as-is.


  • http_call>: URI

    The URI of the HTTP request.



Same parameters with http> operator are also supported except the parameters listed below. The name of the operator is similar to http> operator. But the role is different. See also http> operator document.

  • store_content