Invalid Connection Credentials When Adding API to On‑premises Data Gateway

Hello,

When adding the API https://api.mktzap.com.br/company/:company_id/historycontact  to my On‑premises Data Gateway, I received the following error:

Cannot refresh connection credentials. Invalid connection credentials.
Details: TIFGVTN-FILE: The credentials provided for the Web source are invalid. (Source at https://api.mktzap.com.br/company/3844/historycontact .)

Please have this information on hand if you decide to open a support ticket: Session ID: 58c075f4-8bf0-4050-a8b1-d603659a3872; RequestId: 510de280-d8c3-4798-a149-e3bdadf0ee3b; Cluster URI: https://api.powerbi.com ; Status Code: 400; Time: Tue Apr 22 2025 08:40:20 GMT-0300 (Brasilia Standard Time).

However, when I added a different endpoint (https://api.mktzap.com.br/company-channels/:company_id ) using the exact same settings, I had no issues.

Here is the public API documentation I’m using: https://apidoc.mktzap.com.br/ 

How can I add the /company/:company_id/historycontact endpoint to the gateway so that I can successfully refresh my reports?