API Marketplace
Curated public APIs — finance, news, weather, crypto and more — callable through one x402 payment. No API keys, no signups: pay $0.01, get data. Every call is also a live probe.
| API | Category | Auth | Price | Probes | Status |
|---|---|---|---|---|---|
| Art Institute of ChicagoArt | Art & Design | none | $0.01 | 1/1 | live |
| ColormindColor scheme generator | Art & Design | none | $0.01 | 1/1 | live |
| ColourLoversGet various patterns, palettes and images | Art & Design | none | $0.01 | 1/1 | live |
| Cooper HewittSmithsonian Design Museum | Art & Design | apikey | $0.02 | 1/1 | live |
| DribbbleDiscover the world’s top designers & creatives | Art & Design | oauth | $0.02 | 1/1 | live |
| DummyImageGenerate placeholder images with custom size, colors and text | Art & Design | none | $0.01 | 1/1 | live |
| EuropeanaEuropean Museum and Galleries content | Art & Design | apikey | $0.02 | 1/1 | live |
| Icon HorseFavicons for any website, with fallbacks | Art & Design | none | $0.01 | 1/1 | live |
| IconfinderIcons | Art & Design | apikey | $0.02 | 1/1 | live |
| IconifySearch and fetch SVG icons from 200+ open source icon sets | Art & Design | none | $0.01 | 1/1 | live |
| Icons8Icons (find "search icon" hyperlink in page) | Art & Design | none | $0.01 | 1/1 | live |
| LordiconIcons with predone Animations | Art & Design | none | $0.01 | 1/1 | live |
| Metropolitan Museum of ArtMet Museum of Art | Art & Design | none | $0.01 | 1/1 | live |
| Noun ProjectIcons | Art & Design | oauth | $0.02 | 1/1 | live |
| PHP-NoiseNoise Background Image Generator | Art & Design | none | $0.01 | 1/1 | live |
| RijksmuseumRijksMuseum Data | Art & Design | apikey | $0.02 | 1/1 | live |
| Text-till-KladdesignAI fashion design generator — transform Swedish text into clothing concepts | Art & Design | apikey | $0.02 | 1/1 | live |
| ThisispaperCurated architecture, design, photography and art projects with visual-similarit | Art & Design | apikey | $0.02 | 1/1 | live |
| UpResAI image upscaling to 8K with 18 models (Real-ESRGAN, SeedVR2, AuraSR) | Art & Design | apikey | $0.02 | 1/1 | live |
| Word CloudEasily create word clouds | Art & Design | apikey | $0.02 | 1/1 | live |
GET /api/market # catalog (free) GET /api/market/<id>/call?path=/v1/endpoint&foo=bar # 402 → pay $0.01 USDC/USDT → retry # x-payment-tx: BASE:<txHash> # x-agent-wallet: <yourWallet> → first 3 calls free # x-ref: <referrerWallet> → they earn 5%, you pay same