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.
argosbot.io
Claimed by the Argos Bot team: the team behind this tool verified this listing (2026-10-30). Claiming is free and is not a paid placement.
Bridge API for agents moving tokens between Arc and Base through Circle's CTS and CCTP contracts. Look up whether a token already has an ownerless bridge and its counterpart on the other chain, set up a new wrapper connection, and run transfer jobs that your own external wallet signs. Also reachable over A2A, paid per call in USDC via x402.
https://bridge-api.argosbot.io/v1/lookupMeasuring since Oct 30, 2026: 1 daily check 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://bridge-api.argosbot.io/v1/lookup). 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
Submitted by the Argos Bot team via our free basic listing form (CRM 115203, 2026-10-29). Unpaid GET /v1/lookup returned HTTP 402 on 2026-10-30 with x402 v2 payment terms: exact, 0.005 USDC on Base (eip155:8453) or on Arc (eip155:5042, via Circle Gateway). /v1/lookup/direct (0.007), POST /v1/jobs (0.01) and /v1/jobs/direct (0.012) were also probed unpaid the same day, all Base or Arc USDC to the same payTo. Official x402 page, llms.txt, OpenAPI and /.well-known/x402 fetched (HTTP 200) on 2026-10-30. Nothing paid. Last checked 2026-10-30.
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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.