Hello Good Day,
I am planning to create a custom API for accounts module were I added a unique integration Id field as my identifier if the accounts is already existing. Check below my sample payload request.
{
"consent_timestamp": "2021-04-13 09:45:00",
"integration_ref_id": "CUSREF-202104-ABCDEF0000003",
"last_name": "De la Cruz",
"first_name": "Juan",
"birthdate": "1995-03-25",
"mobile_number": "+639171234199",
"email": "juan.delacruz@example.com",
"location_code": "LOC0001",
"street_name": "Rose St.",
"landmarks": "Mcdo",
"gender": "male"
}