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Zahlen fits into the payment process:
Merchant -> Zahlen -> Payment Processor -> Credit Card
Zahlen governs the retry schedule.
Country by country, card by card, bank by bank.
Optimize success rates by as much as 75%.
50,000 subscribers or less? Free to use, no charge.
1 cent* per subscriber thereafter.
PII Free - download merchant sample CSV
I wrote Zahlen. Ask me anything.
Richard@ZahlenFinancial.com