Webhook and delivery model
Relay supports endpoint creation, event capture, delivery routes, encrypted destination credentials, retry policy values, delivery history, and replay scoped to the original endpoint.
Provider support
Relay has implemented signature verification presets for Stripe, GitHub, and Shopify. Other provider presets should not be claimed until implemented.
Security and operations
Relay includes SSRF controls, encrypted payload storage for new events, outbound HMAC signing, tamper-evident receipt hash chains, CSV audit export, usage counters, retention, metrics, and Kubernetes scrape configuration.