Event Delivery Laboratory

Build webhook evidence with confidence.

Choose one job, provide the minimum input, and get real evidence without switching product modes.

Session-local by default

Transient secrets only

Input workspace

Configure the test

Generate Payload

Event Type

Payload JSON valid

Evidence

Response viewer

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

Trace header preview

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

Copy API, MCP, and CLI references

curl -s https://webhooklab.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

Continue the workflow

Move from local evidence into endpoint inspection, delivery history, or replay policy without leaving WebhookLab.

Endpoints Deliveries Replays