Get records from zoho CRM (Invalid Request)

Get records from zoho CRM (Invalid Request)

Hello guys, I have got the following response error when I try to post a request to the
https://www.zohoapis.eu/crm/v2/Subscriptions 400 (Bad Request)

  1. {
        "code": "INVALID_REQUEST",
        "details": {},
        "message": "unable to process your request. please verify whether you have entered proper method name, parameter and parameter values.",
        "status": "error"
    }
    Error fetching data from Zoho CRM: Error: HTTP error! Status: 400 at fetchCRMData (widget.html?serviceOrigin=https%3A%2F%2Fdesk.zoho.eu&isDevMode=true&frameorigin=https%3A%2F%2Fdesk.zoho.eu:89:19)
    async function fetchCRMData() {
            const authToken =
              "1000.cf978fbc6002fa5c8b83477b0049ff13.b27c21736a57b74eabffa479acbb28e3"; // Replace with your Zoho OAuth token

            const headers = {
                Authorization: 'Zoho-oauthtoken ' + authToken,
            };

            try {
              console.log("Fetching CRM data...");
              const response = await fetch(apiUrl, {
                method: "GET",
                headers: headers,
                throwHttpErrors : false,
                'contentType': 'application/json'
              });