Api rest not working

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Posted on by Community Member

hello experts,
I am consuming some services in my crm, some if they work but others do not.

For example I am trying to consult the territory service, when doing the get from postman if it works but when I check from javascript does not work.

2146.odata.png

This is the code.

        var retrieveReq = new XMLHttpRequest();
        retrieveReq.open("GET", oDataSelect, false);
        retrieveReq.setRequestHeader("Accept", "application/json");
        retrieveReq.setRequestHeader("Content-Type", "application/json;charset=utf-8");

        retrieveReq.onreadystatechange = function ()
        {
            alert("entro al retriever");

            if (retrieveReq.readyState == 4
                && retrieveReq.status == 200)
            {

                var resultado = JSON.parse(retrieveReq.responseText);
            
            }
        };

the retrieveReq does not bring any data, but the odata does work correctly. any answer would be very useful, thank you very much

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gdas 50,091 Moderator on at

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RE: Api rest not working

Hi,

Not sure what is your oDataSelect contains. It will be good to share your full code .

Try with this-

var req = new XMLHttpRequest(); req.open("GET", oDataSelect, false); req.setRequestHeader("Accept", "application/json"); req.setRequestHeader("Content-Type", "application/json; charset=utf-8"); req.setRequestHeader("OData-MaxVersion", "4.0"); req.setRequestHeader("OData-Version", "4.0"); req.onreadystatechange = function () { if (this.readyState == 4 /* complete */) { req.onreadystatechange = null; if (this.status == 200) { var data = JSON.parse(this.response); } else { var error = JSON.parse(this.response).error; alert(error.message); } } }; req.send();

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Arun Vinoth 11,615 Moderator on at

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RE: Api rest not working

I don’t see any issue with the code except retrieveReq.send() is missing at the last.

You are making synchronous call by making third variable as false in retrieveReq.open().

Can you add try catch blocks, debug to see any other errors?

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RaviKashyap 55,410 Moderator on at

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RE: Api rest not working

Hi,

Please use CRM Rest Builder to build the WEB API request. This is the easiest way to build the query as well as execute it and see the results.

www.toplinestrategies.com/.../crm-rest-builder-useful-tool-working-crm-2016%E2%80%99s-web-api

However on the first look of your code, i think its the false paramter which you have used it in open method but can't confirm.

Hope this helps.

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