Getting I/O error on POST request for "https://demo.docusign.net/restapi/***** when trying to create an envelope in DocuSign's demo endpoint. I was able to retrieve JWT token successfully but getting I/O error when trying to create an envelope from application running in Docker. Could someone please provide a solution here?
1 Answers
Suggest a great article about using Docker with DocuSign APIs - https://www.docusign.com/blog/developers/using-docker-php-and-more (this one is PHP but the Docker aspect is the same).
Clearly, if this only doesn't work on Docker, this is a networking issue. The docker instance has to be able to make POST/PUT/GET/DEL requests to port 443 of DocuSign endpoints. I would try to open it up completely first (no restrictions) to confirm and then try to put the specific rules in the firewall to allow these calls. If you can't get it working yourself - you may want to contact DocuSign Developer Support.
For up-tp-date list of IP addresses used by DocuSign go to https://www.docusign.com/trust/security/esignature
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