x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| #830 | Agent402 agent402.tools 500+ pay-per-call tools for AI agents over x402 + MPP | Data | Base, Solana | $162.98 | 9,697 | 277 |
| #831 | StableJobs stablejobs.dev Job search APIs powered by Coresignal, protected by x402 micropayments. | Search | Base, Solana | $1.96 | 22 | 13 |
| #832 | Agent Payload Tools api.agent-payload-tools.workers.dev Deterministic payload, encoding, crypto, JSON, JWT and transformation tools for AI agents. x402 v2 payments in USDC on Base and Solana. | AI | Base, Solana | $0.008 | 8 | 6 |
| #834 | Xerxes ari001.tailb4ac3a.ts.net ARYSPHERE Base typed objects and transaction proofs behind x402. Dead RPC is unreadability, not zeros. | AI | Base | $0.656 | 138 | 8 |
| #835 | Cluster Protocol clusterprotocol.ai Decentralized AI Inference Gateway | AI | Base | $55.7K | 67.6K | 722 |
| #836 | OpusIntelligence opusai.work OpusIntelligence publishes observed market measurements as machine-readable feeds. | Data | Base | $0.23 | 9 | 3 |
| #837 | The Undesirables Oracle the-undesirables.com TCG card grading, conformal risk forecasting, and market intelligence. Powered by x402 micropayments — USDC on Base, USDC on Solana, or USDG on Robinhood… | AI | Base, Solana | $1.05 | 11 | 5 |
| #838 | vAPI x402 decoder vapinetwork.ai Decodes x402 payment data through a paid API endpoint. | AI | Base | $2.07 | 15 | 6 |
| #839 | ResearchPi agent-research-api.onrender.com Readable public webpages and source-backed company profiles for AI agents. x402 v2 / Base USDC; staging uses Base Sepolia test USDC. Only enabled endpoints… | AI | Base | $0.04 | 5 | 4 |
| #841 | RadhikaChain x402 API radhikachain.xyz Telemetria de cadena, inteligencia de defensa y computo verificable (Halo2, Nova, Plonky3). Pago por peticion en USDC nativo en Base (eip155:8453) mediante… | Chain infra | Base | $0.205 | 7 | 3 |
| #842 | Curatoria curatoria.dev Creator-owned design catalog with free discovery and x402 USDC paywalls on Base for paid asset delivery. | Search | Base | $0.04 | 4 | 0 |
| #843 | ManyFish Seller APIs manyfish-seller.redcliff-d7368db1.westus2.azurecontainerapps.io Try eligible APIs with free service credit. Each verified EVM externally owned wallet receives $0.050 once, shared across APIs with no expiry. No deposit… | Utility | Base | $0.13 | 10 | 4 |
| #844 | decipher-ranker decipherranker.com Merchant analytics and ranking for the x402 ecosystem. Get rank position, competitor benchmarks, pricing analysis, and improvement recommendations. | Chain infra | Base | $0.18 | 6 | 4 |
| #845 | Slidingbox slidingbox.ai Ephemeral, client-side-encrypted, hydrate-once blob relay. Store ciphertext for free; pay per retrieval via x402. The server never sees plaintext or key… | AI | Base | $0.08 | 7 | 1 |
| #846 | Romny Polymarket Data api.romny.dpdns.org Paid Polymarket + copy-trade + RH×PM cross-venue feeds via standard x402. Catalog endpoints return HTTP 402 until settled via Agentic Wallet / CDP. | Data | Base | $0.04 | 3 | 1 |
| #847 | hallucination-detection-api hallucination-detection-api.johntaylor1online.workers.dev Extracts claims from text for hallucination detection. | Data | Base | $12.14 | 77 | 5 |
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