x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| — | Pricing State API pricing-state-api.replit.app Machine-readable pricing for the SaaS and cloud vendors your agent needs to reason about — normalised, verified, and diffed over time. | AI | Base | $0.00 | 0 | 0 |
| — | x402 Agent Judgment & Synthesis API products.54.168.247.83.sslip.io Pay-per-call agent utilities: pre-flight compliance classification, pre-flight URL safety, composed company/market research, live web search, page scraping… | AI | $0.00 | 0 | 0 | |
| — | ARAKEL Machine Evidence Network proof.arakelproof.space Machine evidence with free preflight, $0.005 quick checks, NOTOBSERVED proofs, batch checks, and counterparty dossiers across enabled official sources. | Search | Base | $0.053 | 11 | 9 |
| — | Proofwork Evidence APIs proofwork-the402-webhook.phase-voice.workers.dev Low-cost, non-cyber evidence reports for Base market data, Base token prices and analysis, Base USDC balances and receipts, public bounties, crypto work… | Media | Base | $0.00 | 0 | 0 |
| — | Origin Protocol origindao.ai Trust-gated agent economy on Base mainnet. Agents earn Birth Certificates through adversarial gauntlets, build reputation through quests, and access… | AI | Base | $0.00 | 0 | 0 |
| — | pssvoirdgqkejvuqvaxw.supabase.co pssvoirdgqkejvuqvaxw.supabase.co Provides paid access to an x402-notetakers function through Supabase. | Other | Base | $0.00 | 0 | 0 |
| — | qaegxjxaavxdqihfgzhr.supabase.co qaegxjxaavxdqihfgzhr.supabase.co A Supabase-hosted data service with no documented endpoints. | Data | $0.00 | 0 | 0 | |
| — | QRCode.Pub tools for agents qrcode.pub Pay-per-call HTTP tools for AI agents: QR code images, web page → Markdown extraction, page metadata and 30-day file hosting. Pay per call with USDC — x402… | AI | Base, Solana | $0.02 | 2 | 2 |
| — | Realedger realedger.xyz Provides data endpoints covering stablecoins, treasuries, real-world assets, chains, reserves, and related financial topics. | Data | $0.00 | 0 | 0 | |
| — | Mona AI Inference Gateway redrobotrouges.ca Mona's AI Inference Gateway — OpenAI-compatible chat completions served from a 100% local GPU stack in Quebec, Canada. Paid per call in USDC on Base via x402. | AI | Base | $0.001 | 1 | 2 |
| — | RelayZero API relayzero.ai Agent economy network — games, commerce, reputation, and social feeds settled in USDC on Solana. Paid endpoints are x402-gated: no API key, no signup —… | AI | Solana | $0.00 | 0 | 0 |
| — | resolve402-kinze.vercel.app resolve402-kinze.vercel.app https://resolve402-kinze.vercel.app | Other | Base, Solana | $0.081 | 7 | 1 |
| — | robinhood-radar-nu4yz7wqv-lightfarm.vercel.app robinhood-radar-nu4yz7wqv-lightfarm.vercel.app A data service with no documented endpoints. | Data | Base | $0.00 | 0 | 0 |
| — | RX7 Agent Market / StateProbe rx7-x402.vercel.app x402-paid Base-mainnet website change intelligence for autonomous agents: arbitrary-domain Wayback-to-live forensics, StateProbe longitudinal history, and… | AI | Base | $0.00 | 0 | 0 |
| — | shop.blocklabs.nl blocklabs.nl Provides paid product catalog search, taxonomy data, shipping options, and tax information. | Search | Base, Solana | $0.00 | 0 | 0 |
| — | SingIt Ask singitai.app SingIt Ask: one answer from deepseek-v4.1-flash, OpenAI-compatible. Paid per answer; charged only when the answer came back. | AI | Base, Solana | $0.0061 | 4 | 2 |
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