Solutionunvalidated
If you want to use the Payment Element, you can create either a PaymentIntent or SetupIntent. Tension: Checkout Sessions and the Payment Element are two separate/different integration paths. Outcome: use the corresponding `client_secret` [0][1] which looks like `pi_..._secret_...` and `seti_..._secret_...` respectively.
0f52dc85-5fe1-4a4a-bc98-01c302119ec8
If you want to use the Payment Element, you can create either a PaymentIntent or SetupIntent. Tension: Checkout Sessions and the Payment Element are two separate/different integration paths. Outcome: use the corresponding client_secret [0][1] which looks like pi_..._secret_... and seti_..._secret_... respectively.