Intuit

QuickBooks Payments API

The QuickBooks Payments API enables developers to process credit card charges, bank account debits (ACH), and manage payment methods within the QuickBooks ecosystem. It supports tokenized card storage, refunds, and the ability to link payments directly to QuickBooks Online invoices for seamless reconciliation.

GitHub

Documentation

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Documentation
https://developer.intuit.com/app/developer/qbpayments/docs/learn/explore-the-quickbooks-payments-api
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GettingStarted
https://developer.intuit.com/app/developer/qbpayments/docs/get-started
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APIReference
https://developer.intuit.com/app/developer/qbpayments/docs/develop