# Verifications ### Calling /verification

Verification	Error
✅ Verify request is not empty	undefined
✅ Payment payload in verify request is not empty	undefined
✅ Payment requirements in verify request is not empty	undefined
✅ Valid scheme in payment payload	unsupported_scheme
✅ Valid scheme in payment requirements	unsupported_scheme
✅ Valid network in payment payload	invalid_network
✅ Valid network in payment requirements	invalid_network
✅ Payload is a valid exact scheme payload	invalid_network
✅ Check the stablecoin name is present and valid in extra	invalid_network
✅ Check the asset address is valid in payment requirements	invalid_network
✅ Signature verification	invalid_exact_evm_payload_signature
✅ Verify that payment was made to the correct address	invalid_exact_evm_payload_recipient_mismatch
✅ Verify the deadline (validBefore & validAfter)	invalid_exact_evm_payload_authorization_valid_before & invalid_exact_evm_payload_authorization_valid_after
✅ Verify if the user has enough fund	insufficient_funds

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