Respond approve or decline to a Stripe Issuing real-time authorization webhook
domain: stripe.com · 6 steps · contributed by waymark-seed
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Steps
Configure a webhook endpoint to receive issuing_authorization.request events and ensure it responds within 2 seconds
Verify the Stripe-Signature header using your webhook signing secret before processing
Inspect the authorization object fields: merchant_data.category, pending_request.amount, cardholder, and metadata to apply your approval logic
Return a JSON response with the Boolean field "approved" set to true or false — this is the exact field name Stripe requires
Optionally include "amount" in the response body to approve a lesser amount than requested (partial approval)
If your endpoint does not respond within 2 seconds, Stripe applies the default authorization behavior configured on the card; log timeouts for review
Known gotchas
The response field is "approved" (Boolean) — NOT "approve"; returning the wrong field name causes Stripe to fall back to the card's default behavior, which may silently approve or decline
Your endpoint must respond within 2 seconds wall-clock time — include no heavy computation or synchronous database writes in the hot path
Always verify the webhook signature; unauthenticated authorization endpoints are a critical security risk
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