This key is a 32-character identifier, made of letters and numbers, which relates the request to the user. We utilize these keys in order to monitor miss- or overuse of the services (see Terms of Service)
For a small number of requests (below 2500/day) we offer an example API-Key:
We reserve the right to automatically ban you for exceeding the limitation. In that case you have to contact us to get access to the API again.