Top developer tools services on x402, ranked by on-chain revenue. Updated continuously from 33 facilitators on Base, Solana & Polygon.
| # | Service | Revenue | Payments |
|---|---|---|---|
| 1 | visual.hugen.tokyo Render any URL into a clean A4 PDF with print-quality graphics and background colors. Auto-removes ads, cookie banners, |
$1.2K | 35,968 |
| 2 | domain.hugen.tokyo DNS multi-resolver lookup — A, AAAA, MX, TXT, NS, CNAME, SOA across Google 8.8.8.8, Cloudflare 1.1.1.1, Quad9 9.9.9.9 in |
$1.2K | 35,968 |
| 3 | ubounty.ai ubounty.ai - Intent Fee for ubounty-app/ubounty-demo#13 |
$217 | 16 |
| 4 | x402.creative-tim.com Simple message - test X402 payments |
$76 | 192 |
| 5 | botpay-facilitator.alexwlex143.workers.dev Replenish API key quota. Get 0 API calls with $0.01 USDC |
$51 | 70 |
| 6 | humanlint.dev Code Review Request |
$39 | 47 |
| 7 | human-lint.vercel.app Code Review Request |
$39 | 47 |
| 8 | x402repo.vercel.app An intuitive way to explore x402 documentation, examples, and guides. Find what you need based on your language, framewo |
$25 | 149 |
| 9 | staging.toolkit.dev Run Python code in a secure sandbox environment using E2B. Supports Jupyter Notebook syntax and returns execution result |
$13 | 394 |
| 10 | x402-ai-starter-eta.vercel.app Math API - Add two numbers |
$13 | 26 |
| 11 | thenetisvastandinfinite.com Mint $NET token. |
$9 | 13 |
| 12 | api.rencom.ai Search for x402 resources. Ranks candidate endpoints by historical agent outcomes to minimize execution failure and cost |
$9 | 914 |
| 13 | x402scan-hnqp3auxm-merit-systems.vercel.app Discover and register all x402 resources from an origin via .well-known/x402 or DNS TXT |
$7 | 711 |
| 14 | xluihnzwcmxybtygewvy.supabase.co Generates a QR code from input text or URL and returns it as a base64-encoded PNG image |
$6 | 625 |
| 15 | x402-hello-agent-production.up.railway.app Simple Hello greeting service |
$6 | 220 |
| 16 | api.tanantor.com Batch email hygiene for up to 100 emails. |
$5 | 28 |
| 17 | validate.agentutil.net Validate an email address with disposable detection and normalization |
$2 | 1,070 |
| 18 | docs.agentutil.net Exact page retrieval by identifier. Returns full chunked content of a specific documentation page. |
$2 | 1,070 |
| 19 | dev-toolkit.agentutil.net Seven developer utility APIs in one skill — hashing, conversion, timezone math, expressions, DNS, text transforms, geoco |
$2 | 1,070 |
| 20 | math.agentutil.net Evaluate a math expression |
$2 | 1,070 |
| 21 | random.agentutil.net Generate random UUIDs (v4 or v7) |
$2 | 1,070 |
| 22 | docs-lookup.agentutil.net Semantic search across 10 pre-indexed developer documentation platforms — Cloudflare, Stripe, Anthropic, OpenAI, Next.js |
$2 | 1,070 |
| 23 | color.agentutil.net Convert a color between hex, RGB, HSL, CMYK, HWB, and CSS named colors |
$2 | 1,070 |
| 24 | dns.agentutil.net DNS record lookup for a domain |
$2 | 1,070 |
| 25 | useragent.agentutil.net Parse a user agent string into structured browser, engine, OS, device, and CPU info |
$2 | 1,070 |
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