A2 / api

Webhook Payload Tester

Draft webhook payload examples, validation checks, retry notes, and logging requirements before connecting forms or shops.

Endpoint or workflowAudienceGoal

Best next step

Use this MVP to validate search demand and collect workflow leads. Pro can later unlock saved templates, batch exports, AI expansion, and shared workspaces.

Generated output

MVP

Webhook test plan for: newsletter signup endpoint
Audience: small website owner
Goal: avoid broken forms before launch

Payload draft:
{
  "event": "lead.created",
  "source": "nook-tools",
  "name": "Example User",
  "email": "user@example.com",
  "message": "Need launch help",
  "createdAt": "2026-05-26T00:00:00.000Z"
}

Validation checks:
- Required fields are present
- Email format is valid when provided
- Event name is known
- Duplicate events are handled safely
- Retry behavior is documented
- Failed deliveries are logged for follow-up

Monetization trigger

Live webhook inbox, saved logs, and replay tools require Pro.

How it works

Use the tool in your browser, review the result, then export or save when the workflow becomes valuable enough to upgrade.

Free limits

- One webhook test plan
- Copyable JSON examples

FAQ

Can it test Shopify or form webhooks?

Yes. Use it to plan payload shape, required fields, retry rules, and logging before live testing.

Will a live inbox be added?

Yes. A hosted webhook inbox is a good Pro feature once the first API tools are validated.