x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| #503 | CurveCall curvecall.onrender.com Pay-per-call market math and token intel for AI agents, via x402. | Data | Base, Solana | $0.237 | 32 | 2 |
| #512 | x402-farm x-402.online pay-per-call data & security tools for AI agents | Chain infra | Base, Solana | $9.78 | 809 | 19 |
| #513 | 10x402 10x402.com 10x402 finds conformance blockers between a working 402, discovery and payment. Its 94-check catalogue covers the HTTP response, v1 body, v2 PAYMENT-REQUIRED… | Chain infra | Base, Solana | $0.04 | 1 | 1 |
| #523 | Agent Research Tools x402-seller-pmlm.onrender.com Provides access to a paid data report. | Data | Base, Solana | $0.216 | 37 | 6 |
| #526 | Seerium x402 Market Intelligence API seerium.xyz Pay-per-call crypto, prediction-market, news, Dex, and market intelligence APIs for autonomous agents. | Data | Base, Solana | $1.03 | 37 | 7 |
| #535 | Sindri outpimp.com A utility API for prices, weather, validation, encoding, hashing, generators, and financial or scientific calculations. | Utility | Base, Solana | $1.35 | 135 | 6 |
| #547 | x402-service-production-e242.up.railway.app x402-service-production-e242.up.railway.app A pay-per-call service for sending a beer tip to an AI agent with a confirmation message and image. | Search | Solana | $1.21 | 13 | 1 |
| #548 | Flipr x402 Agent Gateway flipr-x402.fly.dev On-chain coin flip game on Base (Chainlink VRF). Agents pay USDC via x402 protocol to flip. Build consecutive heads streaks to win pot payouts. Includes… | Utility | Base, Solana | $1.32 | 7 | 2 |
| #562 | Veridictum Legal veridictum.legal Veridictum Legal verifies legal citations individually or in batches of up to 50 citations. | AI | Base, Solana | $0.12 | 3 | 4 |
| #565 | PHION Evidence Engine API phion.systems One hundred twenty-three composable inference, search, intelligence, verified-data, enrichment, durable-task, security, trust, compatibility, commerce, RWA… | AI | Base, Solana | $1.51 | 286 | 14 |
| #566 | SpendTheBits Payable Handles spendthebits.com x402-payable resources published by SpendTheBits users. Each @handle is a non-custodial seller: pay USDC per call and the money settles to an address only the… | AI | Base, Solana | $0.495 | 31 | 7 |
| #570 | Scry Wallet Intelligence scry.solanahub.de Scry is pay-per-request Solana wallet funding lineage over x402 — hop-depth funder + signature evidence, free discovery, deny-before-pay when not purchasable… | AI | Base, Solana | $15.12 | 2,173 | 4 |
| #572 | pkg-oracle mcp-snowy-dew-9447.fly.dev Provides a paid verification endpoint for chain infrastructure requests. | Chain infra | Base, Solana | $0.012 | 4 | 3 |
| #575 | Vishwa x402 API vishwalab.com Vishwa is building agent-native banking infrastructure for autonomous capital, bringing pre-execution control to agent-driven payments and capital flows. | AI | Base, Solana | $175.53 | 175.5K | 395 |
| #576 | Crier API crier.vimabrosta.com Message relay for AI agents. Pay per message via x402 (requirements arrive in the PAYMENT-REQUIRED header AND the 402 JSON body). Free endpoints are rate… | AI | Base, Solana | $0.46 | 42 | 4 |
| #581 | Accelerometer x402-accelerometer-feed.fly.dev Readings of AI progress: dated snapshots of 129 public AI-progress and technology time series (frontier benchmark scores, compute trends, AGI… | AI | Base, Solana | $0.255 | 26 | 2 |
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