Webhook Tester API

About Webhook Tester API

Use Webhook Tester API with your agent

claude mcp add --transport sse webhook-tester-api https://webhook-tester.api.klymax402.com/mcp

{
  "mcpServers": {
    "webhook-tester-api": {
      "url": "https://webhook-tester.api.klymax402.com/mcp"
    }
  }
}

Frequently asked questions

What is Webhook Tester API?

Webhook Tester API is an MCP (Model Context Protocol) server by br0ski777 in the Finance category. Test webhook endpoints — send requests, measure latency, validate responses. x402 micropayment.

How do I connect Webhook Tester API to Claude, Cursor, or another MCP client?

Webhook Tester API is a remote MCP server — add its endpoint (https://webhook-tester.api.klymax402.com/mcp) to your client's MCP configuration (for example with "claude mcp add", or under "mcpServers" in Cursor's mcp.json) and restart the client.

Is Webhook Tester API open source?

Yes — the source code is public at github.com/br0ski777/webhook-tester-x402.

Can AI agents pay to use Webhook Tester API?

Not yet through Loomal — Webhook Tester API is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.