From cannabis POS systems to Shopify, WordPress, QuickBooks, SMS pay links, automated retail, and a full developer API — Greencard fits where you sell.
Native integrations and a dedicated Ring Up mode mean your staff can take ACH payments without changing their flow.
Native integration
Native integration
Native integration
Native integration
Native integration
Native integration
In-store terminal mode
Via API
Plug-and-play options for common platforms, plus a flexible API and hosted checkout for custom builds.
Checkout integration
Plugin / embed
API + hosted checkout
Delivery & curbside pay requests
Create invoices, send SMS pay links, and keep your books in sync with QuickBooks — all from one place.
Create and send ACH invoices
Text-to-pay for delivery & reminders
Accounting sync
Greencard integrates with automated retail systems so customers can pay by bank at vending machines, lockers, and kiosks.
Kiosks & vending
Click-and-collect pickup
A REST API, signed webhooks, sandbox, and tokenized bank-linking give your engineers the full surface.
Payments, customers, refunds
HMAC-signed events
Full-fidelity test environment
Instant verification
Our API and webhooks are built for teams that want to embed ACH directly into their own product, kiosk, or backend.
We can build a native integration or you can connect via our REST API and webhooks.
Use our hosted flow or tokenize bank accounts through MX for a fully branded experience.
Test every edge case — forced returns, settlement simulation, and replay — before going live.
Tell us what you run today. We will map the integration path and timeline on a short call.