Event Delivery Laboratory

WebhookLab

Generate payloads, sign and verify requests, validate contracts, inspect lifecycle evidence, and open protected action panels without fake sends.

Event TypeIdempotency Key

Payload JSON (valid)Contract Schema JSON

AlgorithmTransient SecretSignature Header

Local-only dry run mode

Response Viewer

No fake response. Run a public-safe action or dry-run panel to generate evidence.

Trace Header Preview

traceparent: 00-<trace-id>-<span-id>-01
X-PlatPhorm-Source-Site: webhooks
X-PlatPhorm-Webhook-Event-Id: local
X-PlatPhorm-Request-Id: local
X-PlatPhorm-Webhook-Contract-Id: local

Copy References

curl -s https://webhooks.platphormnews.com/api/v1/signatures/generate \
  -H 'content-type: application/json' \
  -d '{"payload":{"message":"WebhookLab public-safe test event"},"algorithm":"sha256"}'

{
  "jsonrpc": "2.0",
  "id": "webhooklab-local",
  "method": "tools/call",
  "params": {
    "name": "validate_payload",
    "arguments": {
      "payload": {
        "message": "WebhookLab public-safe test event"
      },
      "schema": {
        "type": "object",
        "required": [
          "message"
        ],
        "properties": {
          "message": {
            "type": "string"
          }
        }
      }
    }
  }
}

platphormctl webhooks validate-contract --contract contract.json --payload payload.json --dry-run