# x402tools — Agent Guide

x402tools is a suite of 9 live pay-per-call HTTP APIs for AI agents. No API keys,
no subscriptions. You pay per request in USDC on Base (eip155:8453) via the open
x402 protocol: call an endpoint, get an HTTP 402 challenge, sign the payment
locally, retry with the X-PAYMENT header, get your result. Prices: $0.001–$0.005.

## Start here

- Skill (load this to learn everything): https://x402tools.xyz/skill.md
- One-shot install: curl -fsSL https://x402tools.xyz/skill.md | claude
- Capability catalog (copy-paste prompts): https://x402tools.xyz/.well-known/agent-catalog.json
- Machine catalog: https://x402tools.xyz/agents.json
- OpenAPI: https://x402tools.xyz/openapi.json
- LLM docs: https://x402tools.xyz/llms.txt | https://x402tools.xyz/llms-full.txt

## MCP server (recommended)

- URL (streamable-http): https://mcp.x402tools.xyz/mcp
- Local stdio: npx -y @acrylicfiddle/x402tools-mcp
- Discovery: https://mcp.x402tools.xyz/.well-known/mcp
- Tools: generate_qr, generate_styled_qr, capture_screenshot, dns_lookup,
  parse_document, screen_prompt_injection, validate_email, render_pdf, extract_text_ocr

## Services and one-shot prompts

QR code — POST https://qr.x402tools.xyz/v1/generate ($0.001)
  "Generate a QR code for <text/url> via x402tools at qr.x402tools.xyz/v1/generate."

Styled QR — POST https://qr.x402tools.xyz/v1/generate/styled ($0.005)
  "Generate a branded QR code with gradients via x402tools at qr.x402tools.xyz/v1/generate/styled."

Screenshot — POST https://snap.x402tools.xyz/v1/capture ($0.005)
  "Screenshot <url> via x402tools at snap.x402tools.xyz/v1/capture."

DNS lookup — GET https://dns.x402tools.xyz/v1/lookup ($0.002)
  "Look up DNS records for <domain> via x402tools at dns.x402tools.xyz/v1/lookup."

Doc parse — POST https://docparse.x402tools.xyz/parse ($0.001)
  "Parse <url> (HTML/PDF) into JSON via x402tools at docparse.x402tools.xyz/parse."

Guardex — POST https://guard.x402tools.xyz/screen ($0.003)
  "Screen <text> for prompt injection via x402tools at guard.x402tools.xyz/screen."

Mailcheck — POST https://mailcheck.x402tools.xyz/v1/validate ($0.003)
  "Validate email <email> via x402tools at mailcheck.x402tools.xyz/v1/validate."

Rendex — POST https://rendex.x402tools.xyz/v1/render ($0.005)
  "Convert <html/url> to PDF via x402tools at rendex.x402tools.xyz/v1/render."

Visionex — POST https://visionex.x402tools.xyz/v1/extract ($0.005)
  "Extract text from <image> via x402tools at visionex.x402tools.xyz/v1/extract."

## Listed on

x402scan.com · CDP Bazaar · agentic.market

Contact: admin@x402tools.xyz