Low cost way to collect high volume payments

curl -X POST 'https://api.prod.finverse.net/mandates/' \ --header 'Idempotency-Key: fe0b87da-3f82-46f5-aa68-060702efc706' \ --header 'X-Request-Id: 1702527806' \ --header 'Content-Type: application/json' \ --header 'Authorization: Bearer {{TOKEN}}' \ --data '{ "mandate_details": { "currency": "HKD", "description": "Test Mandate", "end_date": "2024-03-01", "start_date": "2023-12-14", "transaction_limits": { "max_period_amount": 10000, "max_period_count": 10, "max_transaction_amount": {{max_trx_amount_in_minor}}, "period": "MONTHLY" } }, "metadata": { "key": "value", "employer_name": "Apple Inc" }, "recipient_account": { "account_id": "contact_finverse_support" }, "sender": { "external_user_id": "user_id_1", "name": "{{sender_accountholder_name}}", "user_details": [ { "details_type": "{{sender_id_type}}", "values": ["{{sender_id_number}}"] } ], "user_type": "INDIVIDUAL" } }'