The endpoint on http-api that you're looking for is likely /tryLocateTx:
https://toncenter.com/api/v2/#/transactions/get_try_locate_tx_tryLocateTx_get
I need to check in which block a specific transaction located, but I don't know if there exists an endpoint on the http-api to do this.
This question was imported from Telegram Chat: https://t.me/tondev_eng/9811
The endpoint on http-api that you're looking for is likely /tryLocateTx:
https://toncenter.com/api/v2/#/transactions/get_try_locate_tx_tryLocateTx_get