Please use JWT authentication if possible. More details in the online documentation.

Pass "Token 2056212b3f01ee0b7a92077c21835f6f2ae89192" in the Authorization header to use it

Example with curl:

curl -X GET https://wger.de/api/v2/routine/ \
     -H 'Authorization: Token 2056212b3f01ee0b7a92077c21835f6f2ae89192'