When creating a webhook, you’ll be provided with a 37-character secret key. Every request will include this secret key in the X-Secret-Key header.

We send the request like this:

POST <WEBHOOK_URL> HTTP/1.1
X-Secret-Key: <SECRET_KEY>
User-Agent: SneakersAPI/1.0
Content-Type: application/json

{
  "event": "stockx.price.updated.usd",
  "timestamp": 1740384474,
  "version": "v1",
  "data": [
    /* ... */
  ]
}