Changelog

All notable changes to the Gatelithix Gateway API are documented here.

v1.0.0 — 2026-03-18

Initial release of Gatelithix Gateway API.

• Payment operations: authorize, capture, sale, refund, void
• Token vaulting with merchant-scoped gateway tokens
• Multi-connector routing (Stripe, NMI, FluidPay)
• Webhook delivery with HMAC-SHA256 signature verification
• API key management (create, list, rotate, revoke)
• Idempotency on all write endpoints
• Hosted fields SDK for client-side tokenization
• Go and TypeScript server SDKs