
Authorize.net
6.8#4 in ach payment processing software$25 usage-basedAndroidiOSWebAPI
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| Fact | Authorize.net | First ACH API |
|---|---|---|
| Founded | 1996 | First ACH’s management page says Paul Sabella founded First ACH in May 1998. |
You want what its maker publishes above — check its page for the details.
First ACH API is intended for businesses integrating payments with existing systems, merchants adding customer-initiated ACH payments to software or websites, and companies needing custom payment features.