The DocuSign REST API requires that all files be embedded as JSON directly in the request body (not the body_stream like multipart-post does by default) so the docusign_rest gem takes care of setting ...

I'm using Embedded Signing Javacript API to sign document. So, i'm registering on API to receive an event when user has completed the document using: window.DocuSign.loadDocuSign(integrationkey) .then ...