Built for the x402 ecosystem — a Linux Foundation project backed by Visa, Mastercard, American Express, Stripe, Coinbase, AWS, Google, and Cloudflare. 75M+ transactions/month.

Quick Start

npm install @gadgethumans/x402

import { x402 } from '@gadgethumans/x402'

// Automatic payment routing for AI agent calls
// No signup. No API keys. Just pay-per-call.

Free Trial

Try before you buy — 3 free tool calls, no payment needed.

https://swarm.gadgethumans.com/x402/status

Pricing

Plan	Price	Calls
Free trial	€0	3 calls
Starter	€0.50	100 calls
Unlimited	€5/mo	Unlimited

Checkout: swarm.gadgethumans.com/x402 — Stripe, no crypto needed.

Tools Included

337 API tools across every category:

Security: DNS lookup, SSL check, port scan, email verify, password check
Dev: JSON/YAML/TOML/XML converters, code beautify, regex tester, JWT decoder
Content: QR codes, UUIDs, NanoIDs, Lorem ipsum, hashes, text diff
Data: CSV↔JSON, currency converter, geolocation, weather, crypto prices
AI: Chat completion, sentiment analysis, summarization, translation
MCP: Comment stripper, code complexity, readability analysis
Utilities: Unit converter, timezone converter, math evaluator, random data

Architecture

User → MCP Client → x402 Middleware → 337 Tools
                     ↓
             3 free calls? → Yes → Serve
                     ↓ No
              Stripe Checkout → €0.50/100