# Authentication For authentication static tokens are used. Static tokens are institution specific and never expire, making them ideal for server-to-server communication. You can request a static token by emailing us at [kontakt@edtelligent.de](mailto:kontakt@edtelligent.de). There are two ways to pass it to the API: in the request's `Authorization Header` or via the `access_token` query parameter. ## Authorization Header Authorization: Bearer ## Query Parameter ?access_token=