x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| #245 | sigtap Outreach API sigtap-outreach-api.sigtap.workers.dev Paid micro-utilities for cold-email outreach agents: domain deliverability audits, cold-email grading, template generation, plus a tools toolbox (hashing, JWT… | Data | Base | $0.275 | 125 | 4 |
| #246 | Horizon Pulse horizonpulse.dev Pay-per-call APIs for AI agents, paid in USDC on Base with x402: web search, page fetch and extract, screenshots, PDF to text, an HTTP proxy, and crypto… | Data | Base | $0.43 | 35 | 6 |
| #247 | PipRail piprail.com live x402 demo | Chain infra | Base | $0.03 | 3 | 1 |
| #248 | StationFX stationfx.com Function marketplace for AI agents. Browse /discover to search the catalog. Pay per call via x402 (USDC on Base). See /.well-known/stationfx.json for the full… | AI | Base | $6.79 | 348 | 5 |
| #249 | AgentRisk M2M Security API agentrisk.dev Autonomous AI Agent for Real-time Risk Scoring. Accepts x402 Micropayments. | Data | Base | $0.45 | 3 | 2 |
| #250 | TerraDeed Scrape API terradeed.co.uk x402-powered web data extraction for AI agents. Three endpoints: clean LLM-ready markdown (/scrape), structured JSON from any URL (/extract), and UK… | AI | Base | $0.54 | 26 | 8 |
| #251 | Delvorn delvorn.site Delvorn settlement receipt — $0.05. Pay USDC on Base to unlock a public, permanent settlement receipt you can show other agents — wallet is identity, no signup. | AI | Base | $0.35 | 7 | 5 |
| #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 |
| #254 | v0-x402-enabled-endpoint-ochre.vercel.app v0-x402-enabled-endpoint-ochre.vercel.app Provides a paid API endpoint for retrieving premium insights. | AI | Base | $0.22 | 22 | 3 |
| #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 |
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