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Full detail: Where this data comes from
Shift4 (NYSE: FOUR) is a US-based integrated payments and commerce technology company headquartered in Center Valley, Pennsylvania, and a Fortune 1000 business serving restaurants, hospitality, retail, gaming, stadiums, e-commerce, and nonprofit verticals. It operates as an end-to-end acquirer-processor, owning the full stack from its own gateway and card acquiring through in-person SkyTab POS hardware, online checkout, and alternative payment methods, and has expanded internationally through acquisitions including Finaro (Credorax) and Global Blue.
Shift4 ships a genuinely API-native developer surface: a Redocly-powered portal at docs.shift4.com publishing the Shift4 Payment API as a single downloadable OpenAPI 3.1 definition (v1.7.57, 70 paths, 3 webhooks), authenticated with a header AccessToken (API key) plus HMAC-SHA256 request signing, backed by webhook event notifications, a sandbox, SDKs, and a published Postman collection.
APIs.json: https://raw.githubusercontent.com/api-evangelist/shift4/refs/heads/main/apis.yml
- Payments
- United States
- Payment Processing
- Payment Gateway
- Acquiring
- Payment Terminal
- Tokenization
- ACH
- 3D Secure
- Gift Cards
- Payment Links
- Card Present
- Created: 2026-07-24
- Modified: 2026-07-24
All product families below are surfaced by the single Shift4 Payment API OpenAPI 3.1 definition (openapi/shift4-payment-api.yml). Production base URL: https://api.shift4api.net/api/rest/v1 (test: https://api.shift4test.com/api/rest/v1).
Core card payment processing — authorize, capture, sale, refund, plus card entry, processing mode, dynamic currency conversion (DCC), and batch settlement.
Tokenization — create, retrieve, and manage single-use and card-on-file tokens, plus the account updater for stored credentials.
Stored-value gift card activation, add-value, redemption, and balance inquiry.
In-person / card-present terminal control, EMV/contactless acceptance, and the Commerce Engine for attended and unattended hardware.
ACH bank-account debit/credit transactions with asynchronous webhook status notifications.
QR-code payments (Citcon, WeChat Pay, Alipay) and PayPal acceptance.
3D Secure (3DS) cardholder authentication plus risk scoring and rule evaluation.
Create, configure, share, and reconcile hosted payment links, with payment-link webhooks.
Hosted checkout sessions for online payment collection, with checkout-session webhooks.
Original Credit Transaction (OCT) push-to-card payouts and disbursements.
Transaction reporting plus merchant and credentials lookups.
- Website
- Developer Portal
- API Reference
- Getting Started
- Postman
- Changelog
- Support
- Status Page
- JavaScript Library (Shift4.js)
FN: Kin Lane Email: kin@apievangelist.com