x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| #417 | kino402 kino402.com Frontier text-to-video models and TTS, priced per call in USDC on Base or Solana. No account and no API key: an unpaid POST answers 402 with the exact price… | Media | Base, Solana | $0.809 | 10 | 4 |
| #418 | TWZRD Agent Intelligence intel.twzrd.xyz Pre-spend trust layer for AI agents paying over x402 on Solana. Free preflight emits allow | warn | block from observed settlement-graph shape (advisory —… | Data | Base, Solana | $0.194 | 31 | 12 |
| #419 | Toolshed lemon-agent.dev Post a file to a hosted tool and read the converted file back — nothing to install. Where we do not host the job, the entry names the tool worth reaching for… | AI | Base, Solana | $0.032 | 10 | 4 |
| #420 | PQS promptqualityscore.com Prompt Quality Score | AI | Base, Solana | $0.057 | 9 | 7 |
| #421 | OctoData API octodamus.com AI-powered market intelligence by Octodamus (@octodamusai) | AI | Base | $0.40 | 5 | 4 |
| #422 | Agent Economy Signal x402 API agent-economy-signal-x402-mainnet.bronzetti-andrea.workers.dev Machine-readable pay-per-request intelligence for autonomous agents on Base mainnet. x402 v2 resources expose deterministic decisions, market demand signals… | AI | Base | $0.04 | 2 | 2 |
| #423 | Marketplace for AI Agents marketplaceforaiagents.com Public API | Search | Base | $0.035 | 7 | 4 |
| #424 | Devryno x402 Services devryno.com Tiny paid web services for agents. Pay per request with USDC on Base via x402, plus non-x402 Base USDC tx-hash checkouts for Merchant Feed Audit, Base USDC… | Chain infra | Base | $0.026 | 15 | 5 |
| #425 | Old2New Agent API old2new.app Old2New transforms recipes to match dietary restrictions and health goals, using the same transformation and dietary-safety pipeline that powers the Old2New… | AI | Base | $10.35 | 4 | 2 |
| #426 | Saymon RU Data API payforapi.com Saymon RU Data API - the legal window into the Russian market for AI agents. Russian-language (Runet) data, pay-per-call via x402: company checks by INN… | AI | Base | $0.142 | 13 | 1 |
| #427 | Kallipolis Proof API platoskallipolis.com Evidence resolution for public HTTPS domains and Base addresses, with x402 payment challenges and prepaid-credit support. PayAPI Market independently verified… | AI | Base | $0.12 | 12 | 7 |
| #428 | FuelTax IFTA Rates API freestylevault.com IFTA quarterly tax rate matrix (iftach.org), human-reviewed import each quarter. Reference data. Verify against the official IFTA matrix before filing. Paid… | Data | Base | $0.04 | 8 | 6 |
| #429 | liquid-logic-agent-audit.vercel.app liquid-logic-agent-audit.vercel.app Provides an AI audit through a paid API endpoint. | AI | Base | $0.42 | 20 | 7 |
| #430 | Flight Fare Intelligence travel.forgemesh.io Paid flight price forecasts and buy/wait recommendations via x402. | Search | Base | $0.106 | 7 | 7 |
| #431 | SuVerse Pay proxy.suverse.io x402 API | AI | Base, Solana | $3.23 | 213 | 13 |
| #432 | FractalAI Pay-per-Proof fractalai.net.co Pay-per-call cryptographic proofs signed with post-quantum ML-DSA-65 / Dilithium-3 (NIST FIPS-204), verifiable offline. USDC micropayments on Base via x402 v2… | AI | Base | $3.27 | 112 | 11 |
Showing 417–432 of 4,113