PUT requests with CORS-anywhere [closed] - proxy

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I am using cors-anywhere as a proxy server of sorts to overcome some cors problems I was having. My project only requires GET and PUT requests. cors-anywhere solved all my cors and GET problems but now with PUT I am getting 500 error. Below is how I set up my server and make the PUT request:
//setting up server
var host = process.env.HOST || '0.0.0.0';
var cors_proxy = require('cors-anywhere');
cors_proxy.createServer({
originWhitelist: [], // Allow all origins
removeHeaders: ['cookie', 'cookie2']
}).listen(8000, host, function() {
console.log('Running CORS Anywhere on ' + host + ':' + 8000);
});
//making call
let result = await fetch(`http://localhost:8000/${apiUrl}`, {
method: 'PUT",
mode: 'cors',
body: JSON.stringify({"value":"true"})
});
let json = await result.json();
console.log(json);
Everything here works with GET requests and gives a 500 error with PUT request when done through my TypeScript and JavaScript projects. If I use Postman with the same URLs, everything works perfectly. Any ideas on what is going on?
Thank you for your help.

Answer 1

Just figured out the problem. I wasn't declaring the content type in the PUT fetch request header. Correct one looks like this:
let result = await fetch(`http://localhost:8000/${apiUrl}`, {
method: 'PUT",
mode: 'cors',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify({"value":"true"})
});