NOWPayments
waiting for support answer for implementation
The status of invoice is shown in callbacks (created-waiting-confirmed-finished).
To receive correctly callbacks you may need to whitelist our IP addresses
Here is the list of our IP addresses:
51.89.194.21
51.75.77.69
65.21.158.36
138.201.172.58
https://account.nowpayments.io/create-account?link_id= 2630740550&utm_source=affiliate_lk&utm_medium=referral