x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| — | fda-iom-api.canvas-cart.workers.dev fda-iom-api.canvas-cart.workers.dev Provides access to complete sections of FDA data. | Data | Base | $0.00 | 0 | 0 |
| — | SYNTHORA SYNTHORA Crypto Fear & Greed fear-greed.hergertsynthora.com Real-time crypto Fear & Greed index (0-100) with classification and history. Market-sentiment signal for allocation agents. Free source, deterministic. $0.005… | Data | Base | $0.00 | 0 | 0 |
| — | Fed event calendar agent-market-one.vercel.app Data services for AI agents, paid per request over x402. | Data | Base | $0.015 | 3 | 4 |
| — | Federal Grant Search API grant-search.46-224-157-88.sslip.io Search current U.S. Grants.gov opportunities by default, or set source=eu to search English EU Funding & Tenders topics with SEDIA status 31094502. Inputs are… | Search | Base | $0.00 | 0 | 0 |
| — | Federal Grant Search API grant-search.krimskrams.xyz Search current U.S. Grants.gov opportunities by default, or set source=eu to search English EU Funding & Tenders topics with SEDIA status 31094502. Inputs are… | Data | Base | $0.00 | 0 | 0 |
| — | fee_estimate chainsscope.duckdns.org Multi-chain wallet and address intelligence for AI agents. One consistent tool interface across Ethereum, Base, Arbitrum, Optimism, Polygon, Bitcoin, and… | AI | Base, Solana | $0.00 | 0 | 0 |
| — | MCPFax Feed Reader feed-reader.bowling-anthony.workers.dev Any RSS or Atom feed parsed into one consistent shape, plus feed discovery for a site. Pay per call in USDC on Base via x402. | Data | Base | $0.00 | 0 | 0 |
| — | Feel Launchpad feel.cash A paid API for creating launches. | AI | Base | $1.00 | 1 | 1 |
| — | feeler.man-o-to.net man-o-to.net Provides paid access to sensor data. | Data | Base | $0.00 | 0 | 0 |
| — | FERAL Tools API feral-tools.vercel.app Free and pay-per-call deterministic JSON tools using x402 USDC on Base. | Other | Base | $0.00 | 0 | 0 |
| — | fetcher.sh fetcher.sh web data API for agents | Search | Base, Solana | $0.00 | 0 | 0 |
| — | Fetchgate API fetchgate.dev Fetch clean Markdown or structured metadata from any URL, server-side, with scripts/nav/ad boilerplate stripped out. Also a machine-payable storefront: GET… | AI | Base | $0.00 | 0 | 1 |
| — | FetchHarbor benlab.download Modular x402 content services for self-hosted deployments | AI | Base | $0.075 | 9 | 5 |
| — | FetchWeb Agent Context Services fetchweb.net FetchWeb extracts clean web page content and fits it to a token budget for AI agents. Paid endpoints settle per call in USDC over x402; failed calls are never… | Chain infra | Base | $0.00 | 0 | 0 |
| — | fetchwerk Web Extraction fetch.halowerk.com Pay-per-call web extraction for autonomous agents. No signup, no API key, no dashboard. Every call is settled in USDC over the x402 protocol. | AI | Base | $0.00 | 0 | 0 |
| — | fetchx402 fetchx402.com Utility APIs gated by x402 V2 payments (USDC on Base). Human docs at https://fetchx402.com/docs. See /llms.txt for agent onboarding and /v1/catalog for… | Data | Base | $0.00 | 0 | 0 |
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