COSTCO / ELAVON
SQUARE
STRIPE
Multi-Gateway Payment Integration Suite
Enterprise multi-gateway payment architecture for Sanmiwago supporting Costco / Elavon Converge API, Square API (Web & Terminal), and Stripe.
Sanmiwago Multi-Gateway Checkout
Triple-gateway food ordering clone supporting Stripe, Square Web Payments SDK, and Costco / Elavon.
Open DemoCostco / Elavon Gateway
Direct Converge API credit card charges (ccsale), refunds, voids, and multi-use tokenization.
Open DemoSquare Web Payments SDK
Official Square Web SDK form: tokenizes cards in the browser and processes charges via Square API.
Open DemoSquare Terminal API
In-store hardware POS checkout: create, poll, and cancel sessions on physical Square Terminals.
Open DemoTransaction History
Unified multi-gateway audit log of all test transactions, receipts, and refund statuses.
Open DemoHealth & Probe Check
Real-time connectivity and credential verification for Square and Elavon gateways.
Open Demo