x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| — | pot.zappi.money zappi.money An AI service hosted at pot.zappi.money. | AI | $0.00 | 0 | 0 | |
| — | PowaHub powahub.ai Provides paid data lookup and financial research endpoints, including daily AI-screened US large-cap stock picks. | Search | Base | $0.00 | 0 | 0 |
| — | Power Pack power-pack-x402.fly.dev Paid outreach email scorer | AI | Base | $0.00 | 0 | 0 |
| — | Perplexity AI API pplx.x402.paysponge.com Perplexity AI API | AI | Base, Solana | $0.00 | 0 | 0 |
| — | PRAMA-Dynamagh API prama-dynamagh.up.railway.app API for discovering capabilities, managing users and mandates, and accessing mandate timelines, acquisitions, evidence, and evaluations. | AI | $0.00 | 0 | 0 | |
| — | AgentPredict x402 API predict.memoryapi.org Prediction markets API - browse and track Polymarket and Manifold markets. All endpoints support x402 HTTP 402 payment protocol. | Data | Base | $0.00 | 0 | 0 |
| — | predictive-task-routing-api predictive-task-routing-api.johntaylor1online.workers.dev Provides predictive task routing calculations from an input. | Other | $0.00 | 0 | 0 | |
| — | Preflight SafeSwap API preflight-agent.netlify.app The safety layer between an autonomous agent and the blockchain. Preflight verifies that an unsigned Solana transaction does exactly what the agent says it… | AI | Solana | $0.00 | 0 | 0 |
| — | PreFlight Temporary File Relay relay.preflightstack.com Create a temporary public HTTPS download URL for an artifact generated by an agent or tool when the sending and receiving systems do not share storage. The… | AI | Base | $0.00 | 0 | 0 |
| — | PreIPO Feed by Aaron Zhang preipo-feed.vercel.app Fundamentals of private AI companies (revenue, costs, compute, cash, users, funding) as JSON, priced per call over x402. Every figure carries its own source… | AI | Base | $0.43 | 33 | 4 |
| — | UK Premises Licence Preflight HTTP API premises.regevidencehub.com HTTP compatibility surface for the same deterministic, evidence-linked premises-licence decision engine exposed over MCP. Free readiness/status routes remain… | Other | Base | $0.00 | 0 | 0 |
| — | PremiumPin premiumpin.com Source-level US property records through one combinable closed catalog. Read-only. Agents use API keys (Bearer) or hosted MCP OAuth. The website handles… | Data | Base | $0.02 | 1 | 2 |
| — | Book chapter preppers-paradise.com 98 practical DIY/electronics/programming/AI books. Free catalog + teaser chapters. Full manuscripts via x402 USDC on Base (Coinbase CDP). No accounts, no API… | AI | Base | $0.00 | 0 | 0 |
| — | presign-guard presign-guard.fizzl.eu Pre-sign risk check for AI agents: a green/orange/red verdict with reason codes before signing an EVM transaction, approval or EIP-712 signature. Checks the… | AI | Base, Solana | $0.00 | 0 | 0 |
| — | presign-guard presign-guard.onrender.com Pre-sign risk check for AI agents: a green/orange/red verdict with reason codes before signing an EVM transaction, approval or EIP-712 signature. Checks the… | AI | Base, Solana | $0.00 | 0 | 0 |
| — | SYNTHORA pre-sign transaction safety verdict presign.hergertsynthora.com Pre-sign security verdict for autonomous agents: before an agent SIGNS and settles a transaction, get an allow/warn/block verdict with reasons. Decodes the… | AI | Base | $0.00 | 0 | 0 |
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