We are trying use the API to create a draft email with attachments, then a pop up for our users to modify the draft body and send the message. We are trying to integrate this into our TMS and keep having issues with posting a multipart-form in C# that would get this to function correctly.
Can you please assist with an example or suggestions?
We have reviewed the API guide as well as: https://gist.github.com/hdornier/e04d04921032e98271f46ff8a539a4cb, but have not been successful yet.
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