Problem using firebase dynamic links via REST API

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Aditya Thakur

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May 6, 2020, 8:19:32 AM5/6/20

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I'm currently new to firebase and was trying to make a simple web app that gives a shortened URL using firebase dynamic links for a user provided input.

(I also considered using bitly URL shorten extension but I don't have a billing account configured to use it)

My function for the same on client-side (for testing only) looks like this:

async function fetcher(keyAPI,tempURL) {

            let reqURL=`https://firebasedynamiclinks.googleapis.com/v1/shortLinks?key=${keyAPI}`;
            let parameters = {
                method : "POST",
                headers: {
                    'Content-Type': 'application/json'
                },
                body : JSON.stringify({
                    "longDynamicLink": tempURL,
                     "suffix": {
                         "option": "SHORT"
                         }
                    })
                }; 
                
               await fetch(reqURL,parameters)
                .then(res => console.log(res))
                .catch(err => console.log(err));

            }

When I run the function in the console, I recieve the following response:

Response {
  type: "cors",  "https://firebasedynamiclinks.googleapis.com/v1/shortLinks?key=[MY_WEB_API_KEY_HERE]",
  redirected: true,
  status: 400,
  ok: false,
  statusText: "Bad Request",
  headers: Headers,
  body: ReadableStream,
  bodyUsed: false
 }

Need help regarding the same, I also checked Dynamic Links API was enabled for the project in the console and I can make short links in firebase console.