Forum Discussion

Copper Contributor

Aug 11, 2020

Microsoft teams incoming webhook CORS error

Hi there, I've been trying to get my web app (javascript) to send a message to a microsoft teams channel. I went through the steps of the "getting-started" page and then referred to this tutorial...

developer

microsoft teams

farisdurrani425

Copper Contributor

Mar 24, 2023

Make sure you're using a native server and not React for example. So, a call from a basic ExpressJS app works but not if initiated from within React. That solved the issue for me

tonanuvem

Copper Contributor

May 10, 2023

Just had the same issue, and got it working by using: https://www.npmjs.com/package/teams-web-send

see the docs:

Directly off the browser as a UMD

<script src="https://unpkg.com/teams-web-send@0.1.1/dist/tws.umd.production.min.js"></script>
<script>
(() => {
	const sendMessage = window.tws.bootstrap();
	const message = `{"text": "Hello World"}`;
	sendMessage('http://your.msteams.webhook.url', message).then(() => {
		console.info('Message sent!')
	});
})();
</script>

farisdurrani425