Universal Agent Testing

Test any AI agent.
No WhatsApp. No Twilio. No frontend.

Paste your webhook from n8n, Zapier, Make or any automation platform. Chat with your agent instantly.

No signup · runs in your browser
Works with
n8nZapierMakeFlowiseLangflowBubbleBotpressLangChain+ any HTTP endpoint
SESSION ·
How to use in your workflow
Every field below is sent in the webhook body. Reference them in any node like this:
{{ $json.body.user.name }}
{{ $json.body.user.email }}
{{ $json.body.user.<your_custom_key> }}
{{ $json.body.message }}
{{ $json.body.sessionId }}
Zapier/Make: map the same keys from the incoming webhook payload.
No custom fields yet
Saved to this browser
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Pricing

Free forever for solo builders.

If you're a one-person dev, indie hacker or no-code tinkerer wiring up your first agent — you never need to pay. Paste a webhook, chat with your agent, ship the demo to a client. No card. No trial timer. No "view in dashboard" wall.Upgrade only when your agent gets real users — teams, multiple workflows, branded handoff to clients, or API access for your own tools.

Free
$0/mo
For solo builders shipping their first agent
  • ▸1 active webhook
  • ▸60 messages / day
  • ▸Local session history (this browser)
  • ▸Credential mapper + custom fields
  • ▸Works with every platform
Builder
$5/mo
When one workflow becomes ten
  • ▸Unlimited webhooks & saved agents
  • ▸Cloud-synced sessions across devices
  • ▸Full searchable history
  • ▸Saved credential profiles per agent
  • ▸Priority response inspector
Studio
$20/mo
For agencies & teams shipping to clients
  • ▸Team workspaces & shared sessions
  • ▸Custom branding (your logo, your colors)
  • ▸Shareable client demo links
  • ▸REST API access
  • ▸Priority support

No credit card · cancel anytime · built in Lagos 🇳🇬