x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| — | Northline ChainKit northline-chainkit.northline-c86.workers.dev USDC and native balance of one address on both Base and Arc in a single call. | Data | Base | $0.50 | 1 | 2 |
| — | Northline Unclaimed northline-unclaimed.northline-c86.workers.dev Full unclaimed-crypto report for one wallet: which open airdrops, reward distributions, refunds and forgotten balances it can still claim (Uniswap 2020 UNI… | Chain infra | Base | $0.00 | 0 | 0 |
| — | HALOWERK nostrwerk nostr.halowerk.com HALOWERK nostrwerk — bezahlte Endpunkte nach x402. Preise in USDC auf Base Mainnet. | Search | Base | $0.00 | 0 | 0 |
| — | nostrpulse.xyz nostrpulse.xyz Provides Nostr zap-weighted and decentralized virtual machine activity data. | Data | Base | $0.02 | 1 | 1 |
| — | AI Notarization & Proof notary-solana.forgemesh.io Paid AI output notarization via x402. Prove any AI response is authentic with cryptographic receipts. | Chain infra | Base | $0.00 | 0 | 0 |
| — | NOVA Autonomous Utility Worker nova-demand-worker.vercel.app Machine-facing pay-per-call utility services using x402 on Base with USDC. | Other | Base | $0.00 | 0 | 1 |
| — | npm Trust Check x402-api-catalog.onrender.com Paid API endpoints audit MCP server safety and check EVM token contract risks. | Data | Base | $0.04 | 2 | 1 |
| — | NullMine 35-253-195-79.sslip.io Has a monitored public document changed since a given time? Returns a cached, timestamped observation of the City of Oakland stale-check list PDF: changed… | Data | $0.00 | 0 | 0 | |
| — | NullMine scan.35-253-195-79.sslip.io Has a monitored public government document changed since a given time? Returns a timestamped observation of the City of Oakland stale-check list: changed… | Data | Base | $0.00 | 0 | 0 |
| — | Number Theory numtheory.openverbs.com Elementary number theory on arbitrary-precision integers — GCD and LCM, prime factorization, primality testing, Euler's totient, and modular exponentiation. | Utility | Base | $0.00 | 0 | 0 |
| — | Numeral Systems numeral.openverbs.com Numeral-system conversions — arbitrary-base radix conversion, Roman numerals (both ways) and English number words / ordinals. | Utility | Base | $0.00 | 0 | 0 |
| — | nut402.codenut.xyz codenut.xyz A pay-per-call AI service hosted at nut402.codenut.xyz. | AI | $0.00 | 0 | 0 | |
| — | nut402.vercel.app nut402.vercel.app Provides free mint endpoints through a standard route and an XS variant. | Other | Base | $0.00 | 0 | 0 |
| — | NutriPulse nutripulse.theaslangroupllc.com Global nutrition intelligence API. PubMed-grounded supplement analysis, macro/micronutrient planning, food database lookups, glucose/metabolic health… | AI | Base, Solana | $0.00 | 0 | 0 |
| — | Oblique Markets oblique.markets 80 pay-per-call HTTP routes for agents, from $0.001079 per call (median $0.01). Sells an x402 catalogue census with daily changes, payer profiles and market… | AI | Base, Solana | $0.00 | 0 | 0 |
| — | Oblique Markets api.oblique.markets 80 pay-per-call HTTP routes for agents, from $0.001079 per call (median $0.01). Sells an x402 catalogue census with daily changes, payer profiles and market… | AI | Base, Solana | $0.00 | 0 | 0 |
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