Webhook Implementation
Implements or fixes Stripe webhook handlers -- signature verification, event routing, idempotency, and retry-safe processing. Use when the user wants to "add a webhook handler", "handle stripe events", "fix webhook", or process specific events. For delivery health audit, see webhook-reliability.
Install
$ agentstack add skill-appeeky-stripe-skills-webhook-implementation ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Links to your public security report.[](https://agentstack.voostack.com/security/report/skill-appeeky-stripe-skills-webhook-implementation) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
Webhook Implementation
Builds robust Stripe webhook handlers. Match the project's stack or ask users (Next.js route, Express, Supabase edge function).
Must-haves
- Raw body for signature verification (no JSON pre-parse)
stripe.webhooks.constructEvent(body, sig, secret)- Idempotency -- dedupe by
event.id(store processed IDs) - Return
200fast; heavy work async - Handle only subscribed events; ignore rest gracefully
Core events (subscription SaaS)
| Event | Handler action | |-------|----------------| | checkout.session.completed | Provision access, save customer/sub IDs | | customer.subscription.updated | Sync plan + status | | customer.subscription.deleted | Revoke access | | invoice.payment_failed | Trigger dunning email/banner | | invoice.paid | Confirm renewal |
Pattern (pseudocode)
event = constructEvent(rawBody, sig, secret)
if alreadyProcessed(event.id): return 200
switch event.type: ...handle...
markProcessed(event.id)
return 200Verify
Use Stripe CLI stripe listen / stripe trigger, or check webhook-reliability after deploy.
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: appeeky
- Source: appeeky/stripe-skills
- License: MIT
- Homepage: https://www.appeeky.com/
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.