x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| — | NFT Alpha x402 nft-alpha-x402.fly.dev Paid x402 OpenSea NFT market signal endpoint on Base USDC. | Data | Base | $0.00 | 0 | 0 |
| — | nft-floor nft-floor.api.klymax402.com NFT collection floor price, volume, holders, rarity data. Ethereum and Base via Alchemy. | Data | Base | $0.00 | 0 | 0 |
| — | Nimbus nimbus.clawca.sh Weather for AI agents: current weather and 1-7 day forecasts, paid per call over x402. | AI | Base | $0.00 | 0 | 0 |
| — | nittarab.dev nittarab.dev Provides paid access to a secret through an HTTP endpoint. | Other | Base | $0.00 | 0 | 0 |
| — | Nob7e Botanical Intelligence web-production-7442b.up.railway.app Structured botanical intelligence for software agents. | AI | Base | $0.03 | 2 | 2 |
| — | NOB7E Evidence Verdict evidence-verdict-production.up.railway.app Evaluate a claim or question against one supplied HTML or PDF source and return anchored evidence. | Data | Base | $0.00 | 0 | 0 |
| — | nodeproxy nodeproxy-production.up.railway.app Nodeproxy service with no documented endpoints. | AI | Base | $0.00 | 0 | 0 |
| — | OPC UA NodeSet Compatibility Gate nodeset.regevidencehub.com https://nodeset.regevidencehub.com | Other | 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 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 |
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