x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| — | Runx Marketplace runx.ai Hosted API contract for run submission, hosted agent config, connect, grants, approvals, webhook ingress, and inspection. | AI | $0.00 | 0 | 0 | |
| — | SafeRoute usesaferoute.com Autonomous Base swap safety checks and noncustodial quotes with buyer-controlled signing and execution verification. | Data | Base | $0.044 | 8 | 6 |
| — | Safety Incidents (OSHA) safetyincidents.org Provides OSHA severe-injury, employer safety, enforcement, inspection, and industry benchmark data. | Data | Base | $0.00 | 0 | 0 |
| — | Satellite & GeoRisk x402 API sat.ipintel.ai Agent-first paid geocoding, satellite imagery, and current multi-hazard location risk intelligence over x402 v2. | Utility | Base | $0.00 | 0 | 0 |
| — | Sato Hub satohub.ai Public reads need no key and no account; the projects and listings routes take a bearer key. A Sato API key is optional on every metered endpoint and only… | AI | Base | $0.005 | 1 | 2 |
| — | SAVER Verifier agent-production-9804.up.railway.app Machine-to-machine fact verification and claim verification API using web search and source evidence. | AI | Base | $1.00 | 5 | 2 |
| — | SchemaSure schemasure.com Eleven pay-per-call HTTP APIs for autonomous agents, settled over x402 V2 in USDC on Base mainnet. Two families: guards that answer whether an action is safe… | AI | Base | $0.00 | 0 | 0 |
| — | Scribe API scribe.vimabrosta.com Lookups and conversions for AI agents, paid per request via x402 (requirements arrive in the PAYMENT-REQUIRED header AND the 402 JSON body). Every product is… | Data | Base, Solana | $0.055 | 7 | 5 |
| — | Scrooge Tool Mill scrooge-x402-tool-mill.vercel.app x402 pay-per-call page intel APIs. Start with POST /v1/page-meta. | AI | Base | $0.17 | 5 | 4 |
| — | Search Aggregator x402-production-d123.up.railway.app Provides paid deep and fast search requests. | Data | $1.38 | 30 | 5 | |
| — | search concordancehq.duckdns.org Concordance: one query surfaces where a topic appears across 18 independent, real-time data sources -- news, SEC filings, court opinions, academic papers… | Data | Base, Solana | $0.00 | 0 | 0 |
| — | search.reversesandbox.com reversesandbox.com An AI service hosted at search.reversesandbox.com. | AI | $0.022 | 11 | 3 | |
| — | SecondLook secondlook.edgecasesystems.workers.dev A second opinion before your AI agent acts: catch overlooked risks, conflicting constraints, and missing information before committing to an action… | AI | Base | $0.00 | 0 | 0 |
| — | Secret Scan x402-hono-api.inraby.workers.dev Security analysis service for assessing AWS IAM policies and auditing domain SSL/TLS certificate and HTTPS configuration. | Data | Base | $0.09 | 9 | 7 |
| — | Selun sagitta.systems Sagitta AAA Portfolio Infrastructure | AI | Base, Solana | $0.00 | 0 | 0 |
| — | Settled settled.justinedwardvolmer.workers.dev Did it pay? Live, verified, machine-readable liveness, quote, on-chain activity and quality data for x402 endpoints. Paid routes use x402 (HTTP 402 + USDC) or… | AI | Base | $1.23 | 27 | 7 |
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