x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| — | nut402.vercel.app nut402.vercel.app Provides free mint endpoints through a standard route and an XS variant. | Other | Base | $0.00 | 0 | 0 |
| — | NutriPulse nutripulse.theaslangroupllc.com Global nutrition intelligence API. PubMed-grounded supplement analysis, macro/micronutrient planning, food database lookups, glucose/metabolic health… | AI | Base, Solana | $0.00 | 0 | 0 |
| — | Oblique Markets oblique.markets 80 pay-per-call HTTP routes for agents, from $0.001079 per call (median $0.01). Sells an x402 catalogue census with daily changes, payer profiles and market… | AI | Base, Solana | $0.00 | 0 | 0 |
| — | Oblique Markets api.oblique.markets 80 pay-per-call HTTP routes for agents, from $0.001079 per call (median $0.01). Sells an x402 catalogue census with daily changes, payer profiles and market… | AI | Base, Solana | $0.00 | 0 | 0 |
| — | Obol API danieldutoit.net Blockchain data sold per request with USDC settlement on Base. | Chain infra | Base | $0.008 | 8 | 8 |
| — | Observer x402 Evidence Service observer.137-184-67-179.sslip.io Experimental machine-readable market-structure evidence service protected by x402 payments. Active payment network: Base mainnet. Experimental analytics only… | AI | Base | $0.12 | 12 | 7 |
| — | oc-person-c.nvprotas.name nvprotas.name Provides a paid HTTP hello endpoint. | Other | Base | $0.007 | 7 | 6 |
| — | OceanAlt oceanalt.com compliance layer for agent payments | AI | Base, Solana | $0.28 | 20 | 5 |
| — | ocr-api.pdfextractapi.workers.dev ocr-api.pdfextractapi.workers.dev Provides an OCR endpoint for extracting text from images or documents. | Media | Base | $0.00 | 0 | 0 |
| — | OCR Text Extractor ocr.underscoredone.com Send a picture, either as a public web address or as base64-encoded image data, and get back the plain text found inside it. | Data | Base, Solana | $0.00 | 0 | 0 |
| — | odood.com odood.com An API for extracting information from submitted input. | AI | Base | $0.00 | 0 | 1 |
| — | offercheck offercheck.offercheck.workers.dev Pay-per-call web and market-data tools for AI agents (x402, USDC on Base, no signup). Read any public page as clean Markdown with metadata and links; verify a… | AI | Base | $0.063 | 9 | 7 |
| — | oh31wu9m.nx.link oh31wu9m.nx.link Provides paid access to global trending data. | Data | Base | $0.00 | 0 | 0 |
| — | Open Horizon Machine Revenue ohd-machine-x402-v2.hibiki3027.workers.dev Agent decision products for procurement, vendor risk, API QA and public-web buy-or-skip workflows. Strict x402 payment is required before fulfillment. | AI | Base | $0.00 | 0 | 0 |
| — | SYNTHORA SYNTHORA OHLCV Candles ohlcv-candles.hergertsynthora.com Real-time and historical OHLCV candles (open/high/low/close/volume) for any crypto pair, any interval. For backtesting and signal agents. Free source. $0.01… | Data | Base | $0.00 | 0 | 0 |
| — | old-faithful.up.railway.app old-faithful.up.railway.app A service hosted at old-faithful.up.railway.app with no documented endpoint details. | Other | Base | $0.00 | 0 | 0 |
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