402rpc
402rpc.com
Ethereum mainnet JSON-RPC paid per request in USDC on Base over x402, plus simple price, balance and gas endpoints. Current state only (not an archive node). No account or key.
zkrobotics.fr
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Collection of about 44 agent APIs paid over x402, spanning onchain reads on Base and Ethereum, token risk reports, price feeds, DNS/WHOIS/SSL checks, FX and SEC data, and forecasts.
https://api.zkrobotics.fr/x402/extract-jsonMeasuring since Oct 27, 2026: 4 daily checks so far, so these numbers are still thin.
Trust score: coming soon, after 7+ days of data (from about Nov 3).
How we measure: one unpaid check per day of the listing’s example endpoint (GET https://api.zkrobotics.fr/x402/extract-json). We never pay and never send a payment header. Up means any answer below HTTP 500 except 404/410 within 8 seconds. Uptime counts those daily checks. Payment never changes these numbers. A technical check, not an endorsement. Raw JSON · schema
Unpaid GET /x402/extract-json returned HTTP 402 on 2026-10-22 with x402 payment terms: x402 v2, exact, 0.007 USDC on Base. Price checked via our 402 probe on 2026-10-22 (4 routes probed; other routes may be priced differently). Official site fetched (HTTP 200) on 2026-10-22. Shown on the public Agentic.Market site. Last checked 2026-10-22.
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402rpc.com
Ethereum mainnet JSON-RPC paid per request in USDC on Base over x402, plus simple price, balance and gas endpoints. Current state only (not an archive node). No account or key.
agentbodega.store
A store of small paid utility APIs for agents: service status checks (GitHub, Cloudflare, cloud providers), web search, launch audits and x402 inspection, each with a receipt.
ai-mail.sh
Receive-only email addresses for AI agents, bought over x402: a day or a month per address. Reading is free, and codes and verification links are extracted for you.