Onchain/Crypto Data x402 sellers, page 16
788 sellers · measured by our own test calls. Open a row for its signed receipts.
| Service | Category | Status | Recent Checks OK | Response Time | Price Per Call | Last Checked |
|---|---|---|---|---|---|---|
| clonecho.builda.company ENS RESOLVER: resolve an ENS name ↔ address (?name=vitalik.eth or 0x…). Returns JSON. | Onchain/Crypto Data | No Recent Successful Checks | – | 818 ms | n/a | 18 h ago |
| contract-auditor-mcp.vercel.app Smart-contract security quick-scan for AI agents (verified source + on-chain state + vuln/honeypot scan). | Onchain/Crypto Data | No Recent Successful Checks | – | 76 ms | n/a | 18 h ago |
| contract-scanner-zrjr.onrender.com Automated smart-contract risk scanner for AI agents. Returns honeypot heuristics, owner-privilege detection a… | Onchain/Crypto Data | No Recent Successful Checks | – | 225 ms | n/a | 18 h ago |
| crypto-pulse.hergertsynthora.com One Ed25519-signed call = cross-exchange price consensus (5 venues) + cross-venue funding + Fear&Greed sentim… | Onchain/Crypto Data | No Recent Successful Checks | – | 799 ms | n/a | 18 h ago |
| data.crestsystems.ai | Onchain/Crypto Data | No Recent Successful Checks | – | 54 ms | n/a | 18 h ago |
| digital-myto.onrender.com Latest Base USDC whale transfers from $10,000+ for AI agents and trading bots. | Onchain/Crypto Data | No Recent Successful Checks | – | 267 ms | n/a | 18 h ago |
| gateway-dev.flamewire.io | Onchain/Crypto Data | No Recent Successful Checks | – | 55 ms | n/a | 18 h ago |
| hars.cryptotavern.xyz https://hars.cryptotavern.xyz/paid/market-brief | Onchain/Crypto Data | No Recent Successful Checks | – | 331 ms | n/a | 18 h ago |
| julie.freysa.dev Instant 0.5ms EVM opcode forensics and honeypot screening across 35 production blockchains (Base, Ethereum, A… | Onchain/Crypto Data | No Recent Successful Checks | – | 897 ms | n/a | 18 h ago |
| mcp.tickorigin.com https://mcp.tickorigin.com/v1/search | Onchain/Crypto Data | No Recent Successful Checks | – | 292 ms | n/a | 18 h ago |
| meryol-agenticmarket-x402.hf.space | Onchain/Crypto Data | No Recent Successful Checks | – | 337 ms | n/a | 18 h ago |
| mrwk.online Crawler-backed market data feed for newly visible crypto tokens. It ranks candidates using public DexScreener… | Onchain/Crypto Data | No Recent Successful Checks | – | n/a | n/a | 18 h ago |
| oix-autonomous-economy.fly.dev Zero-input live Base API for transaction planning: current block age and utilization, gas price, ETH/USD, dee… | Onchain/Crypto Data | No Recent Successful Checks | – | 421 ms | n/a | 18 h ago |
| svm402.com | Onchain/Crypto Data | No Recent Successful Checks | – | 538 ms | n/a | 18 h ago |
| notary.hergertsynthora.com Proof-of-existence, proof-of-execution and proof-of-agreement for M2M deals. Notarize a SHA-256, get an Ed255… | Onchain/Crypto Data | No Recent Successful Checks | – | 653 ms | n/a | 18 h ago |
| obol-x402.fly.dev https://obol-x402.fly.dev/pulse | Onchain/Crypto Data | No Recent Successful Checks | – | 57 ms | n/a | 18 h ago |
| orphan-patch.561.group x402 seller wrapping a deterministic orphan-patch scorer: send advisories, maintenance, and dependents data, … | Onchain/Crypto Data | No Recent Successful Checks | – | 118 ms | n/a | 18 h ago |
| pal-base-risk-revenue.onrender.com Rank 2-10 Base ERC-20 token contracts by deterministic security risk using live token-security evidence. Retu… | Onchain/Crypto Data | No Recent Successful Checks | – | 250 ms | n/a | 18 h ago |
| public.zapper.xyz | Onchain/Crypto Data | No Recent Successful Checks | – | 89 ms | n/a | 18 h ago |
| reentrancy-oracle.vercel.app Static reentrancy auditor for EVM contracts. Disassembles deployed bytecode, rebuilds the control-flow graph … | Onchain/Crypto Data | No Recent Successful Checks | – | 86 ms | n/a | 18 h ago |
| rug-check-eight.vercel.app On-chain rug-pull/honeypot risk screen for ERC-20 tokens. SAFE/CAUTION/HIGH-RISK verdict, 0-100 score. | Onchain/Crypto Data | No Recent Successful Checks | – | 118 ms | n/a | 18 h ago |
| rwa-dashboard-gamma.vercel.app Tokenized money-market fund (RWA) analyst report: BUY/HOLD/SELL signals per fund, market/crypto/chain views, … | Onchain/Crypto Data | No Recent Successful Checks | – | 87 ms | n/a | 18 h ago |
| signalharness.ai Normalize one caller-supplied EVM address to its EIP-55 checksum representation. | Onchain/Crypto Data | No Recent Successful Checks | – | 207 ms | n/a | 18 h ago |
| temporary-agile-orion-dkcrn55.vercel.app Live Base mainnet ETH and USDC balance snapshot for an EVM address, payable per request with x402. | Onchain/Crypto Data | No Recent Successful Checks | – | 652 ms | n/a | 18 h ago |
| token-intel-x402.echolonius.deno.net One keyless call: fused safety + market read on any Solana token — mint/freeze authority, top-holder %, dev h… | Onchain/Crypto Data | No Recent Successful Checks | – | 203 ms | n/a | 18 h ago |
| tollprobe.com Measured facts about an ERC-20 token on Base, as JSON: verified source, owner privileges found in the bytecod… | Onchain/Crypto Data | No Recent Successful Checks | – | 338 ms | n/a | 18 h ago |
| tpnvisfsoateycjrkrie.supabase.co Bounded static checks of supplied Base transaction intent before signing. No execution simulation or safety g… | Onchain/Crypto Data | No Recent Successful Checks | – | 1746 ms | n/a | 18 h ago |
| trading-lab-turnover-notes.vironnimo.chatgpt.site Checks buyer-supplied OHLCV JSON for duplicate timestamps, ordering, invalid numbers and inconsistent OHLC va… | Onchain/Crypto Data | No Recent Successful Checks | – | 1299 ms | n/a | 18 h ago |
| trustdex.app | Onchain/Crypto Data | No Recent Successful Checks | – | 103 ms | n/a | 18 h ago |
| web3icon.xyz | Onchain/Crypto Data | No Recent Successful Checks | – | 678 ms | n/a | 18 h ago |
| x402-discovery.nishvault.com 0.01 USDC on Base for pre-send EVM transaction simulation for AI agents. Returns an x402 v2 challenge and, af… | Onchain/Crypto Data | No Recent Successful Checks | – | 53 ms | n/a | 18 h ago |
| x402-services-production.up.railway.app | Onchain/Crypto Data | No Recent Successful Checks | – | 218 ms | n/a | 18 h ago |
| x402.hodle.com.br 120+ USD stablecoins with real-time prices, peg deviation, circulating supply, chains, and redeemability. Upd… | Onchain/Crypto Data | No Recent Successful Checks | – | 650 ms | n/a | 18 h ago |
| x402.silverbackdefi.app | Onchain/Crypto Data | No Recent Successful Checks | – | 271 ms | n/a | 18 h ago |
| x402scan-j55w7ornb-merit-systems.vercel.app | Onchain/Crypto Data | No Recent Successful Checks | – | 98 ms | n/a | 18 h ago |
| zero-agent.thryx.workers.dev Plain-language brief on any Base address: ETH balance, contract-or-EOA, recent transaction count and methods,… | Onchain/Crypto Data | No Recent Successful Checks | – | 12 ms | n/a | 18 h ago |
| jotowl.com | Onchain/Crypto Data | No Recent Successful Checks | – | 15 ms | n/a | 18 h ago |
| stable-enrich-git-payai-solana-facilitator-merit-systems.vercel.app | Onchain/Crypto Data | No Recent Successful Checks | – | 117 ms | n/a | 18 h ago |
Descriptions are each service's own listing text. Data: x402-list.com (CC BY 4.0), modified. Recent Checks OK = last test calls (up to 20) that asked for payment correctly (min 5). Needs Login = HTTP 401/403, not a failure. Facts, not a ranking. Reply or dispute. List built at 2026-10-30 18:37:55 UTC from our checks (rebuilt about every 5 minutes).