Required Fields for Authorizing a Payment Using Merchant Decryption for American Express

bill_address1
bill_city
bill_country
bill_state
bill_zip
cavv: For a transaction that uses 3-D Secure, set this field to the 3-D Secure cryptogram.
currency
customer_cc_expmo: Set this field to the value from the payment network token expiration month.
customer_cc_expyr: Set this field to the value from the payment network token expiration year.
customer_cc_number: Set this field to the payment network token value.
customer_email
customer_firstname
customer_lastname
e_commerce_indicator: For a transaction that does not use 3-D Secure, set this field to
internet
.; For a transaction that uses 3-D Secure, set this field to
aesk
.
grand_total_amount
ics_applications: Set this field to
ics_auth
.
merchant_id
merchant_ref_number
network_token_cryptogram: Set this field to the network token cryptogram.; IMPORTANT

Include the whole 20-byte cryptogram in the
network_token_cryptogram
field. For a 40-byte cryptogram, split the cryptogram into two 20-byte binary values (block A and block B). Set the
network_token_cryptogram
field to the block A value and set the
xid
field to the block B value.
payment_network_token_transaction_type: Set this field to
1
.
payment_solution: Set this field to
001
.