x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| #200 | Kristo Intelligence API kristo-intelligence-api.onrender.com AI-powered DeFi trading signals and crypto market intelligence. Uses x402 payment protocol — USDC on Base. | Data | Base | $0.044 | 14 | 7 |
| #209 | MapleAI polygon.mapleai.shop Pay-per-request API access via x402 on Polygon mainnet. 4 GPT models, 7 image models, and Jev structured decisions; no accounts or client API keys. | AI | $2.63 | 1,204 | 15 | |
| #213 | DCL Evaluator fronesislabs.com Pre-action safety gate for AI agents. Evaluates a proposed agent response or action before execution and returns a structured verdict (COMMIT / NOCOMMIT) with… | AI | Base | $2.22 | 98 | 6 |
| #217 | MiroShark miroshark.xyz MiroShark predicts how people and markets react to any scenario before it happens. Seed it with a prompt, a news headline, an article URL, or raw text; it… | AI | Base, Solana | $17.00 | 17 | 11 |
| #225 | UOS Genesis Machine Vendor API genesis.palsus2023.workers.dev Autonomous paid machine utilities using x402 and Base USDC. | Data | Base | $0.037 | 16 | 5 |
| #226 | Economic Agent Redirect Contract Verifier plutonus.tech Native x402 v2 seller for one bounded redirect verification. The protected operation uses exact payment on Base (eip155:8453) with canonical Base USDC. | Chain infra | Base | $0.068 | 11 | 2 |
| #236 | Cloud World Model cloudworldmodel.ai Agent API | AI | Base, Solana | $0.897 | 891 | 6 |
| #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 |
| #247 | PipRail piprail.com live x402 demo | Chain infra | Base | $0.03 | 3 | 1 |
| #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 |
| #270 | ASCII Art x402 API ascii-x402-production.up.railway.app Convert an uploaded image into terminal-friendly ASCII art. The operation costs $0.001 USDC on Base mainnet and uses x402 protocol version 2. | Media | Base | $0.024 | 22 | 6 |
| #273 | x402-seller x402-seller-m8nx.onrender.com Calibrated token-survival probabilities for autonomous trading agents. Keyless by design: no signup, no API key — pay per call in USDC (x402). /vet and… | Data | Base | $0.14 | 10 | 4 |
| #292 | psf-bch-api fullstack.cash OpenAPI projection generated from apiDoc annotations | Chain infra | Base | $0.007 | 7 | 6 |
| #302 | Ardaro Receipt Intelligence Service Core getardaro.com Extract and validate structured expense data from receipt text or a provider-neutral receipt extraction. Use when an agent needs merchant, date, tax, total… | AI | Base | $3.15 | 12 | 2 |
| #321 | bluepages.fyi API bluepages.fyi Cryptocurrency address identity lookup service with cluster detection. Maps cryptocurrency addresses (ETH, BTC, LTC, BCH, SOL, TRON, DASH, DOGE, XMR, ZEC… | Utility | Base | $45.25 | 11 | 5 |
| #330 | Clear-to-Send premiumrewards.vip Provides paid lookups for definitions, entities, IPs, time, hashes, blockchain data, prices, domains, and vulnerability records. | Data | Base | $0.017 | 8 | 3 |
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