x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| #252 | payload402 payload402.edgebytenet.workers.dev npm package license triage for coding agents: call before npm install or adding a dependency mid-task. Returns declared license, SPDX normalization, and… | AI | Base | $0.049 | 20 | 8 |
| #253 | Kaisha kaisha-api.hp-vladic.workers.dev Japan Company Registry API | Chain infra | Base, Solana | $0.042 | 21 | 9 |
| #255 | Kronos by ForgeMesh API kronos.forgemesh.io Kronos by ForgeMesh is a paid market-intelligence API for autonomous agents: live crypto signals, calibrated price ranges, risk state, preflight checks… | AI | Base | $0.93 | 19 | 3 |
| #256 | Shovels API stable-shovels.dev Pay-per-call access to the Shovels building-permits search API. Search US building permits by date, location, and rich permit/property/contractor filters. No… | Search | Base | $2.20 | 20 | 3 |
| #257 | TaskFleet taskfleet.net Pay-per-call AI task APIs. x402/USDC on Base — no accounts, no keys. | Chain infra | Base | $0.20 | 13 | 6 |
| #258 | Velvet Unicorn velvetdao.xyz AI-powered DeFi APIs. All endpoints require $0.01 USDC on Base (eip155:8453) via x402. POST JSON body → HTTP 402 → sign EIP-3009 → retry with X-PAYMENT header. | AI | Base | $0.08 | 8 | 7 |
| #259 | ATMS Treasury nathanlidurin.com API centrale ATMS — 2 couches : (1) ressources REST scopées groupe/table, (2) use-cases agents composant la couche 1 via @atms/core. Garde-fous : visa1… | AI | Base | $0.01 | 10 | 9 |
| #260 | CostPulse costpulse.waltsoft.net Provides data through a cheapest-results endpoint. | Data | Base, Solana | $86.02 | 561 | 4 |
| #261 | zaref zaref.dev South African reference data API | Data | Base | $0.10 | 20 | 9 |
| #262 | MetaLend Rebalancing API metalend.tech API for managing cross-protocol cross-chain DeFi rebalancing operations exposing: <ul <li<bAuth</b – challenge/verify flow for JWT issuance.</li <li<bProject… | Chain infra | Base | $0.01 | 10 | 7 |
| #263 | Gas Price x402-echo-service.onrender.com Utility API for agents on Base. Cryptographic digests, UUIDs, base64, server time, and live onchain reads: ERC-20 and native balances, token metadata, block… | Data | Base | $0.071 | 22 | 8 |
| #264 | AgentIndex Discover agentindex.world Pay-per-call tools for AI agents: web search + content, documents, live market data, and multi-chain wallet/gas reads. Mainnet test from $0.000001 USDC on… | AI | Base | $0.4577 | 342 | 12 |
| #265 | Zerion API zerion.io Interpreted onchain wallet data for apps and agents: portfolios, token and DeFi positions, PnL, labeled transaction history, NFTs, token prices and swap… | AI | Base, Solana | $0.57 | 57 | 10 |
| #266 | 402oracle 402oracle.com 402oracle: machine-payable verification layer. Signed attestations for AI agents, paid per call in USDC via x402. | Data | Base | $1.74 | 27 | 5 |
| #267 | DYOE Agent Tools API dyoeway.org Pay-per-call trust, due-diligence, commerce, travel & data tools for AI agents — settled in USDC on Base via the x402 protocol (HTTP 402). Includes a… | AI | Base | $10.60 | 902 | 3 |
| #268 | All Markets Snapshot base.46-225-15-169.sslip.io Provides an all-markets snapshot. | Data | Base | $0.07 | 5 | 5 |
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