x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| #117 | Data Lookup API x402-seller.onrender.com Pay-per-call data API for AI agents via the x402 protocol. Every endpoint costs $0.001 in USDC on Base — no accounts, no API keys. Call any endpoint, receive… | Data | Base | $0.189 | 43 | 16 |
| #118 | RegimeShift Clearinghouse regimeshift.xyz Agent-SOFR + on-chain RFQ capital market | Data | Base | $0.051 | 51 | 25 |
| #119 | sendcheck sendcheck-x402.pennyforge.workers.dev Pre-send verification for EVM addresses. One paid HTTP call (x402, USDC on Base, no account, no API key) tells your agent whether an address is safe to send… | Chain infra | Base | $0.52 | 48 | 11 |
| #120 | DubbleBlack dubbleblack.com Behavioral commerce evidence for product recommendations. Powder helps agents determine whether observed commerce behavior supports a product recommendation… | AI | Base | $3.20 | 32 | 9 |
| #121 | Macaroon Network macaroonnetwork.com Pay-per-call scientific search, evidence, validation, and simulation services with explicit provenance and limitations. | AI | Base | $0.297 | 50 | 11 |
| #123 | n0brains n0brains.com Production crypto intelligence signaling API | Data | Base | $0.236 | 31 | 11 |
| #124 | x402-gateway freeq.one Pay-per-call MCP gateway, 31 tools with per-tool prices on Base: shortlinkcreate=$0.002, shortlinkstats=$0.001, markdown=$0.002, tokenprice=$0.002… | Media | Base | $1.74 | 368 | 7 |
| #125 | Horror Story API horrorstoryapi.vercel.app Provides horror stories through a paid API endpoint. | Media | Base | $0.0975 | 75 | 54 |
| #126 | Straits.live premium data straits.live Machine-payable Strait of Hormuz crisis data for AI agents: the live-AIS vessel manifest, single-vessel multi-body sanctions dossiers (OFAC + UK), a… | AI | Base | $0.93 | 52 | 15 |
| #127 | Crypto Market Signals & Forecast x402.coinopai.com Kronos crypto market intelligence for autonomous agents: hourly signal scores, calibrated price ranges, risk state, decision journals, and outcome audits… | Data | Base | $1.72 | 44 | 11 |
| #128 | NodeFlare nodeflare.app NodeFlare provides paid POST endpoints for blockchain networks through x402. | AI | Base | $0.1213 | 119 | 52 |
| #129 | The Stall intuitek.ai Domain-agnostic x402 capability chassis by IntuiTek¹. 301 AI-callable data services — pay USDC on Base mainnet. No accounts or API keys required. | AI | Base | $2.33 | 45 | 9 |
| #130 | AGENTUM Business business.agentum.lat Agente comercial da AGENTUM: inteligência empresarial e verificação de contraparte, pagas por chamada via x402 (USDC, Base mainnet). Rotas HTTP diretas — o… | Data | Base | $6.57 | 75 | 5 |
| #131 | AGENTUM agentum.lat APIs Brasil | Data | Base | $20.86 | 299 | 9 |
| #132 | ApiToll Facebook Advertiser Ads ads.apitoll.cloud ApiToll runs pay-per-call data agents on x402 (USDC on Base + Solana). This service scrapes the public Facebook Ad Library — every live and recent ad any… | AI | Base, Solana | $6.42 | 214 | 9 |
| #133 | Hyperliquid Smart Money Data API whaletape.xyz Every paid endpoint answers 402 with machine-readable payment requirements. Pay and retry with the X-PAYMENT header. No signup, no API key. | Data | Base, Solana | $0.234 | 43 | 16 |
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