curl --location 'https://api.paymentprovider.com/applepay/initiate' \
--header 'Content-Type: application/json' \
--data '{
"validationUrl": "https://apple-pay-gateway.apple.com/paymentservices/startSession",
"displayName": "Zid Store",
"domainName": "www.example.com",
"publishableApiKey": "pk_test_abc123xyz"
}'{
"merchantSession": {}
}