Add Hookdeck for Razorpay webhook reliability

Hookdeck queues Razorpay webhooks. 100K/mo free

Add Hookdeck for Razorpay webhook reliability

Decision

Add Hookdeck to the family stack as the webhook reliability layer for Razorpay. Razorpay POSTs payment events to Hookdeck; Hookdeck queues, retries, and forwards to the Hono API Worker at api.oriz.in/webhooks/razorpay.

Why

A Worker outage during a payment webhook silently drops revenue — the user paid but the subscription never activates because Razorpay’s retry window is short. Hookdeck’s free tier (100K requests/month, 100K attempts, 3-day retention, exponential-backoff retries, manual replay) covers the family’s expected payment volume by orders of magnitude and adds a debug-friendly dashboard. No card required, no subscription — fits the family’s no-paid-tier rule.

Implications

• Razorpay webhook destination URL changes from https://api.oriz.in/webhooks/razorpay to a Hookdeck-issued URL (https://hkdk.events/<connection-id>).
• Hookdeck forwards every event to api.oriz.in/webhooks/razorpay — Worker code is unchanged.
• A new env-var (HOOKDECK_SIGNING_SECRET) is added to the Worker so it can verify Hookdeck-signed forwards. Razorpay’s signature is preserved in headers.
• Failures within the Worker (5xx response) trigger Hookdeck’s retry policy automatically; the team can replay manually from the dashboard.
• Adds Hookdeck to the services/business/tooling/ catalog as an active pick.
• Swap cost is low: switching Hookdeck off means pointing Razorpay’s webhook URL back at api.oriz.in directly (or fronting it with Cloudflare Queues — see services/business/tooling/hookdeck.md alternatives).

Cross-refs

• services/business/tooling/hookdeck
• services/business/payment/razorpay
• architecture/api-umbrella-hono-worker
• decisions/razorpay-as-primary-billing
• decisions/code-quality-stack — sibling reliability decision from the same session

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