x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| — | khotem.com khotem.com COURSE: salon subscription — $0.10 once pulls 5 procedures (spa, med, attest, trust-score, seal). Returns course id; call included routes with header… | AI | Base, Solana | $0.00 | 0 | 0 |
| — | HALOWERK klimawerk klima.halowerk.com HALOWERK klimawerk — bezahlte Endpunkte nach x402. Preise in USDC auf Base Mainnet. | Data | Base | $0.00 | 0 | 0 |
| — | Klima Retirement Aggregator x402-retire-git-feat-paid-indexing-gate-and-openapi-carbonmark.vercel.app Retire tokenized carbon credits on Base through Klima Protocol and the Carbonmark marketplace, and resolve the public Carbonmark certificate. Discovery… | Data | Base | $0.05 | 50 | 9 |
| — | klminnovation.com klminnovation.com Provides a paid KLM Playbook+ Agent/MCP pack. | AI | Base | $0.00 | 0 | 1 |
| — | know.fast know.fast Send a link. Know it. Any URL — article, YouTube video, X post, podcast episode, paper, PDF, GitHub repo — becomes a durable, cited knowledge page plus a… | AI | Base | $0.00 | 0 | 0 |
| — | Kortex Service Trust kortex.rohnelt.dev Kortex tells an agent which x402 service actually works, from evidence: uptime measured over time, a valid 402, and settlements proven on-chain. | AI | Base | $0.00 | 0 | 0 |
| — | Kronos Quant Signal API seshat.markets Kronos publishes cached multi-timeframe forecasts across crypto, commodities, and pre-market equities. Includes calibrated ranges, risk context, auditable… | AI | Base, Solana | $0.011 | 2 | 2 |
| — | Kronos Crypto Data & Forecasts kronossignals.com Kronos is a pay-per-call real-time crypto market-data API for autonomous agents and trading bots. Pay-per-call endpoints across 17 crypto assets… | Data | Base | $0.00 | 0 | 0 |
| — | KushBitx AgentProof kushbitx.com Crypto security, payment verification and protected spend-policy checks for people, applications and AI agents. Evidence Chain is a release candidate; direct… | AI | Base | $1.52 | 16 | 7 |
| — | Kvaln tkivbru614.execute-api.us-east-1.amazonaws.com Mekler helps research and diligence agents inspect citation overlap before relying on several sources as corroboration. It finds duplicate URLs, shared links… | Data | Base, Solana | $0.00 | 0 | 0 |
| — | KYACheck kya.lonestaroracle.xyz Know-your-agent / counterparty check: OFAC wallet + name screen, on-chain wallet risk, signed PASS/REVIEW/BLOCK verdict. $0.10 via x402 (Base or Solana). | Chain infra | Base, Solana | $0.00 | 0 | 0 |
| — | x402 Toolbox (lab.paidapis.net) lab.paidapis.net A toolbox of x402 payment-protocol mechanics: 20+ small real endpoints on Base mainnet USDC, each demonstrating a distinct pattern (oracle, auction, escrow… | Data | Base | $0.00 | 0 | 0 |
| — | Laboratory-Protocol Compiler lab.api.williamrobinson.dev Compile a liquid-handling plan (Flex robot, pipettes, deck labware, liquids, transfer/distribute/serial-dilute/mix/delay steps) into a self-contained Python… | Other | Base | $0.00 | 0 | 0 |
| — | LaborPulse labor.lonestaroracle.xyz US jobs, unemployment, wages and JOLTS signal. BLS data. | Data | Base, Solana | $0.00 | 0 | 0 |
| — | LensCrypt lanescrypt.vercel.app All-in-One Crypto Intelligence | AI | Base | $0.00 | 0 | 0 |
| — | language-detector.pdfextractapi.workers.dev language-detector.pdfextractapi.workers.dev Detects the language of submitted content. | Other | Base | $0.00 | 0 | 0 |
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