How to change the email address of a basic user
It’s via power shell and API management Rest API possible.
Export API definition for developers
The developers can export the API definition in OpenAPI JSON format and WADL from API Management Developer Portal.
And the developers can use these files to generate client-side code by using the tools, which is adequate for them such Swagger codegen or Postman to start calling the API in a short time.
Azure Portal > API Management > Select the API Management Instance > APIs > Developer Portal Button > APIs Tab in Developer Portal > Select an API > We see the list of APIs Actions/Operations > Select an Action > API definition button -> Download the OpenAPI 3/ 2 JSON or YAML format or WADL.