Version 2026-04-01

Release adding Customer update support, expanded filtering, flexible order metadata date formats across payment flows and support for recurring payments.

Added

• Customers - Update Customer - PATCH /2026-04-01/customers/{id}

Changed

• Customers - List Customers now supports filtering by emailAddress - GET /2026-04-01/customers
• Payments - Order metadata line item dates now accept both date and datetime formats - POST /2026-04-01/payment-intent
• Payment Links - Order metadata line item dates now accept both date and datetime formats - POST /2026-04-01/payment-links, PUT /2026-04-01/payment-links/{linkId}
• Checkout Session - Updated with latest request/response structure - POST /2026-04-01/checkout-sessions, GET /2026-04-01/checkout-sessions/{id}, POST /2026-04-01/checkout-sessions/{id}/proceed
• Checkout Session - Customer object added to /2026-04-01/checkout-sessions to support recurring payments
• Checkout Session - lineItems object to accept additional Airline data, POST /2026-04-01/checkout-sessions/{id}/proceed