It depends on your preferred language.
I think the API from mempool.space is a good way in finding out about new blocks and pools.
https://mempool.space/de/docs/api/rest
npub1nq…kkz86
2023-01-21 15:06:49
in reply to nevent1q…qxev
Author Public Key
npub1nqu6xm23khceqjtlnvkjdrhq3yp7a3l4a5hf4c7wadwm3x4thggqjkkz86Published at
2023-01-21 15:06:49Event JSON
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