Changes to Refund a transaction

removed the success response with the status 204

removed the optional property error_code from the response with the 404 status

removed the optional property error_code from the response with the 409 status

removed the optional property message from the response with the 404 status

removed the optional property message from the response with the 409 status

media type application/json was changed to a more specific media type application/problem+json for the response status 404

media type application/json was changed to a more specific media type application/problem+json for the response status 409

added the non-success response with the status 400

added the non-success response with the status 403

added the non-success response with the status 422

added the optional property detail to the response with the 404 status

added the optional property detail to the response with the 409 status

added the optional property instance to the response with the 404 status

added the optional property instance to the response with the 409 status

added the optional property status to the response with the 404 status

added the optional property status to the response with the 409 status

added the optional property title to the response with the 404 status

added the optional property title to the response with the 409 status

added the required property type to the response with the 404 status

added the required property type to the response with the 409 status

added the success response with the status 201

the security scope refunds.write was added to the endpoint's security scheme oauth2