Key Features
HMAC-SHA256 Signatures
Every payload is signed with your webhook secret. Verify authenticity with a single hash comparison.
Event Subscriptions
Subscribe to specific events: match.completed, trade.created, inventory.updated, request.new, and more.
Automatic Retries
Failed deliveries retry with exponential backoff. Up to 5 retry attempts over 24 hours.
Delivery Logs
Full delivery history with request/response bodies, status codes, and latencies in your portal.
Frequently Asked Questions
How do I verify webhook signatures?
Compute HMAC-SHA256 of the raw body using your webhook secret. Compare with the X-CollectIQ-Signature header.
What events can I subscribe to?
match.completed, trade.created, trade.updated, inventory.created, inventory.updated, request.new, request.matched, and more.
What happens if my endpoint is down?
CollectIQ retries with exponential backoff (1m, 5m, 30m, 2h, 24h). After 5 failures, the webhook is paused and you're notified.