You will get back an error response with HTTP code 429.

In most cases, developers want higher quotas or rate limits because they want to download a (partially) complete dataset. The API is not the proper channel for this, to consume larger amounts of historic data please use the download function on the website.

There are three rate limits, per second, per hour and per day. The rate limits might differ per API, check the API specs for more information.

We migrated to a new platform this date and have disabled TLS 1.2 (to comply with market agreements). To continue using our API's please ensure your client supports TLS 1.3.

Please revoke the apikey you have lost and request a new via the self-service option in the portal. You can log into the portal, and on the tab API Keys you can find and revoke all your keys and also request new ones.