x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| — | Polymarket Signal Detector sashco.ca Wallet reputation and trading-signal detection for Polymarket prediction markets -- combining smart-money wallet tracking, insider-pattern detection, and a… | Data | Base | $0.00 | 0 | 0 |
| — | polymarketeer.vercel.app polymarketeer.vercel.app Provides paid access to specific Kalshi event data. | Data | Base | $0.11 | 11 | 6 |
| — | poms-api.canvas-cart.workers.dev poms-api.canvas-cart.workers.dev Provides access to complete sections identified by ID. | Search | Base | $0.00 | 0 | 0 |
| — | pong-pay-production.up.railway.app pong-pay-production.up.railway.app An x402 service with no documented endpoints or capabilities. | Other | Base | $0.00 | 0 | 0 |
| — | PONS Market meshgateway.co Pons v2 launchpad and Uniswap intelligence on Robinhood Chain, from the MeshGateway team: live launch feed, full on-chain launch records, graduations… | Data | Base | $0.00 | 0 | 2 |
| — | PontoFato pontofato.com Ponto e fato de um lugar no Brasil. Índice: GET /api/. | AI | Base | $0.00 | 0 | 0 |
| — | pool-alert-detector--biohackflowinfo.replit.app pool-alert-detector--biohackflowinfo.replit.app Provides pool intelligence data for detecting alerts. | Data | Base | $0.01 | 1 | 1 |
| — | Port-Dwell Congestion Index nobodytools.com Daily port & chokepoint congestion index computed from public AIS. Historical (NOAA/MarineCadastre, CC0 Public Domain, US ports) + live (aisstream). Priced… | Data | Base | $0.00 | 0 | 1 |
| — | PortfolioRisk portfolio.lonestaroracle.xyz Risk, volatility, drawdown and correlation breakdown for a portfolio of tickers. Pass ?tickers=. | Other | Base, Solana | $0.00 | 0 | 0 |
| — | PostAgent postagent.sh Print and mail physical US letters (PDF, HTML, Markdown, DOCX, or image) and postcards via USPS, paid in USDC — with certified/registered proof options and… | AI | Base | $0.00 | 0 | 1 |
| — | Postal codes postal.openverbs.com Postal / ZIP code validation by country — check a code against its ISO 3166-1 alpha-2 pattern, normalise casing and whitespace, inspect a country's pattern… | Search | Base | $0.00 | 0 | 0 |
| — | UK Postcode API postcode-api-production.up.railway.app UK postcode lookup, search, validation and autocomplete with x402 payments. | Search | Base | $0.00 | 0 | 0 |
| — | PostToSource posttosource.com Convert social posts and articles into clean, LLM-ready markdown, payable per call via x402 (USDC on Base). | Utility | Base | $0.00 | 0 | 0 |
| — | PowaHub powahub.ai Provides paid data lookup and financial research endpoints, including daily AI-screened US large-cap stock picks. | Search | Base | $0.00 | 0 | 0 |
| — | Power Pack power-pack-x402.fly.dev Paid outreach email scorer | AI | Base | $0.00 | 0 | 0 |
| — | Perplexity AI API pplx.x402.paysponge.com Perplexity AI API | AI | Base, Solana | $0.00 | 0 | 0 |
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