Type Alias WebhookSignatureScheme

WebhookSignatureScheme:
    | "hmac-sha256-hex"
    | "hmac-sha256-base64"
    | "provider-postback"

How a PSP authenticates its webhook deliveries — informational for onboarding docs.

Type Declaration

"hmac-sha256-hex"
Local HMAC-SHA256, hex digest (Stripe, PayZen, GoCardless).
"hmac-sha256-base64"
Local HMAC-SHA256, base64 digest (Paysafe).
"provider-postback"
Verified by calling the PSP's own API rather than local crypto (PayPal).