To obtain an access token, you must authenticate via OAuth 2.0 implicit authentication.
The official specs may seem intimidating, but the process is straightforward:
1. You send your user to a URL on our server, passing us your client ID.
https://oauth.groupme.com/oauth/authorize?client_id=CLIENT_IDDon't have a client ID? You can get one here: Create Application
2. Your user will be asked to log in and authorize your application.
3. We will redirect them to the callback URL you registered when you set up your client ID.
It's highly recommended that your callback url using https.
You must make requests with your access token using the
Alternatively, you can send your token in the
GET /v3/groups HTTP/1.1 User-Agent: CoolApp/2.0 Host: api.groupme.com Accept: */* X-Access-Token: ACCESS_TOKEN
Questions? Check out our GroupMe API Support Google Group.