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Stock Sync Health Check
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Intermediate
Updated 18 February 2026
Website Connector Template + Verification Guide
A deployment-ready template pack for website connectors, including verification, caching guardrails, and security checks.
What you’ll get
- A verification checklist covering auth, signatures, and replay windows.
- A sample webhook payload contract for implementation handoff.
- Practical caching pitfalls and mitigation guidance for live stock endpoints.
Guide
Overview
This pack helps agencies and in-house engineering teams launch website connectors safely. It includes a practical checklist, sample payload contract, and implementation notes for security and caching.
Setup steps
- Generate your ChannelWeave website API key and signing secret.
- Configure order webhooks for created and cancelled events.
- Sign payloads with HMAC and include timestamp headers.
- Set stock update responses to bypass edge caching.
- Run a £0 test order and validate downstream state changes.
Caching pitfalls to avoid
- Do not cache dynamic stock API responses at CDN edge.
- Keep stale-while-revalidate disabled for inventory quantities.
- Ensure retries never replay stale payload signatures.
Troubleshooting checklist
- Confirm signature hash uses the raw request body, not re-serialised JSON.
- Ensure webhook timestamps are validated inside a five-minute window.
- Verify key rotation windows are coordinated between systems.
- Check queue retries and dead-letter handling for failed events.
Security explainer
Your connector should enforce four controls together:
- API key auth for caller identity.
- Request signatures for integrity.
- Timestamp validation for replay resistance.
- Key rotation process for operational resilience.
FAQ
Yes. The template is platform-neutral and focuses on contract and verification rules you can map to any checkout stack.
Treat stock update endpoints as no-store and avoid CDN edge caching for dynamic inventory responses.
Yes. API keys identify the caller; signatures and timestamps protect payload integrity and replay resistance.
Implementation in ChannelWeave
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