Help Center > > FAQs> Secondary Development> FAQs About Application Development> Calling APIs> Command Is Successfully Delivered Using the Simulator But Fails to Be Delivered by Calling the API

Command Is Successfully Delivered Using the Simulator But Fails to Be Delivered by Calling the API

Updated at: Jun 26, 2019 GMT+08:00
  1. Check whether the url, body, and header parameters are correct based on the API reference.
  2. Use the simulator and call the API to deliver the same command separately. Compare the JSON message bodies of the two commands.

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