As of yesterday, Kraken has dropped support for POST requests to GET endpoints. Now in these cases, a status code of 405 (Method not allowed) is returned.
Jan 2024 - Removed support for POST requests to all public endpoints; these requests will now return a 4xx error, please use a GET request instead. Added notes to Balance and Ledger endpoints on migration from Staking to Earn and asset suffixes.
As of yesterday, Kraken has dropped support for POST requests to GET endpoints. Now in these cases, a status code of 405 (Method not allowed) is returned.
(https://docs.kraken.com/rest/#section/Changelog)
This caused most methods (such as
GetOrderBookAsync
) to no longer work.