x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| #845 | Cluster Protocol clusterprotocol.ai Decentralized AI Inference Gateway | AI | Base | $55.7K | 67.6K | 722 |
| #847 | Ink Vault Savings Service x402-vault-service.vercel.app A savings account for AI agents. One x402 payment deposits USDC into a live, market-tested yield vault ($30M+ TVL); another withdraws it back out — no gas, no… | Chain infra | Base | $1.02 | 2 | 2 |
| #848 | vAPI x402 decoder vapinetwork.ai Decodes x402 payment data through a paid API endpoint. | AI | Base | $2.07 | 15 | 5 |
| #849 | witnessd witnessd.vip Neutral, machine-payable witness: independent fetch, hash, timestamp, archive; hourly Merkle anchoring on Base. Pay per call via x402 (USDC) or X-Api-Key… | AI | Base | $0.14 | 7 | 3 |
| #850 | OpusIntelligence opusai.work OpusIntelligence publishes observed market measurements as machine-readable feeds. | Data | Base | $0.23 | 9 | 3 |
| #851 | x402.911fund.io 911fund.io Provides paid macro-level market intelligence and insights. | Data | Base, Solana | $3.26 | 129 | 5 |
| #853 | 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 |
| #854 | 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 | $0.06 | 5 | 1 |
| #855 | LocationLists locationlists.com No connector needed: any AI assistant can answer a location question by opening https://locationlists.com/find?q=<the question in plain words — counts, a… | AI | Base | $25.26 | 59 | 2 |
| #856 | 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 | $1.03 | 10 | 4 |
| #857 | insider.feed bryan-hermes.lenok-gorgon.ts.net SEC filer data service providing company profiles, material events, filing history, normalized financials, and full-text filing search. | Data | Base | $0.78 | 30 | 1 |
| #858 | hallucination-detection-api hallucination-detection-api.johntaylor1online.workers.dev Extracts claims from text for hallucination detection. | Data | Base | $6.14 | 71 | 4 |
| #859 | Funded Agent Work Radar ophl.link Find current AI-agent jobs and bounties with explicit funding evidence, normalized across public marketplaces and filterable for zero mandatory spend. | AI | Base | $1.01 | 6 | 4 |
| #860 | OptimAI optimai.network OptimAI is an agent-ready decentralized search and retrieval service powered by the OptimAI Network nodes, returning real-time contextual answers with… | AI | Base, Solana | $0.041 | 5 | 2 |
| #861 | api.surplusintelligence.ai api.surplusintelligence.ai AI service offering chat completions and Twitter search and user lookup resources. | AI | Base | $4,358.85 | 10.2K | 10 |
| #862 | EVM Tx Safety Check jagent.dev Provides offline EVM event log decoding and rule-based EIP-712 typed-data signing risk checks. | AI | Base | $0.1418 | 22 | 2 |
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