While trying to update to version 3 of the api, I am getting an error.   When I send this URL to generate access token https://authz.constantcontact.com/oauth2/default/v1/authorize?client_id=edf8807c-1f10-430a-954a-45e84e396ed6&response_type=code&redirect_uri=http%3A%2F%2Flocalhost%3A3000 I receive this: http://localhost:3000/?error=invalid_request&error_description=The+authentication+request+has+an+invalid+'state'+parameter   Thanks! ... View more

This is the post request with custom fields   {"email_addresses":[{"opt_in_source":"ACTION_BY_OWNER","email_address":"test@example.com"}],"first_name":"Mitch","last_name":"Elis","job_title":null,"company_name":null,"custom_fields": [{"custom_field_id": "2afaadda-917c-11ed-bdf2-fa1XXXXX","value": "TEST VALUE"}],"lists":[{"id":"1038927000"}]}   I keep getting this error   [{ "error_key": "json.field.invalid", "error_message": "#/custom_fields/0/custom_field_id: Property was found but is not permitted at this location." }, { "error_key": "json.field.missing", "error_message": "#/custom_fields/0/name: Property is required but not found." }]     Please help resolving this issue. ... View more