x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| — | Exende Retry retry.exende.dev Provides retry operations through an API. | AI | Base | $0.00 | 0 | 0 |
| — | exhibit402 exhibit402.dylan-caponi.workers.dev Proof of publication: permanently prove what a URL served at a moment in time. Two independent observers on different networks capture your URL at the same… | Chain infra | Base | $0.04 | 2 | 2 |
| — | experiment-001 experiment-001-production-90c3.up.railway.app Resolve a vendor for free, then purchase normalized public regulatory records or a source-backed evidence package. Results are research evidence, not legal or… | Data | Base | $0.00 | 0 | 0 |
| — | experiment-008 experiment-008-production.up.railway.app Provides paid access to product recall evidence. | Other | Base | $0.00 | 0 | 0 |
| — | Expression Evaluator math.openverbs.com Safely evaluate mathematical expressions with variables and standard functions — sandboxed. | AI | Base | $0.00 | 0 | 0 |
| — | External Fuse API external-fuse.onrender.com External Fuse | Other | Base | $0.00 | 0 | 0 |
| — | extract-definition-lists-as-text page.intel.rallylive.ca Pay-per-call JSON APIs for agents: domain intelligence, URL to Markdown, email verification, uptime and SSL checks. | AI | Base | $0.00 | 0 | 0 |
| — | Tollkit Extract extract.tollkit.dev Pay-per-call tools for AI agents: web pages, PDFs and search; SEC filings, weather, airport delays, geocoding, IP and exchange rates; wallets and tokens on… | Data | Base, Solana | $0.00 | 0 | 0 |
| — | fabair-agents.com fabair-agents.com Signed receipt for a supplied SHA-256 digest | AI | Base | $22.30 | 16 | 2 |
| — | faber-chamber-sepolia-test-598185475640.asia-northeast3.run.app faber-chamber-sepolia-test-598185475640.asia-northeast3.run.app FABER IMPACT_ATOM | Other | $0.00 | 0 | 0 | |
| — | facility-verify.iykykblog.workers.dev facility-verify.iykykblog.workers.dev Verify a US healthcare facility by CMS Certification Number (CCN). Returns Medicare certification status, provider type, bed count, ownership type… | Utility | Base | $0.00 | 0 | 0 |
| — | fact-checker fact-checker.api.klymax402.com Fact-check claims by searching the web and returning relevant evidence snippets. | Other | $0.00 | 0 | 0 | |
| — | FactoryTalk Import Preflight factorytalk.regevidencehub.com https://factorytalk.regevidencehub.com | Other | Base | $0.00 | 0 | 0 |
| — | fal.ai fal.x402.paysponge.com Provides paid AI image and video generation through multiple models, with request retrieval, status checks, and cancellation. | AI | Base, Solana | $0.00 | 0 | 0 |
| — | Family Office Knowledge Graph familyofficeknowledgegraph.ai the doors | AI | Base | $0.00 | 0 | 0 |
| — | Fanfare fanfare-api.fly.dev Sports experience API for AI agents — pay-per-call in USDC on Base. Combines live schedules, scores, standings, and player stats across MLB, NBA, WNBA, NHL… | Data | Base | $0.00 | 0 | 0 |
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