x402 Services
| Rank | Service | Category | Chains | Volume · 30d | Transactions · 30d | Buyers |
|---|---|---|---|---|---|---|
| — | marketplace-price-api-production.up.railway.app marketplace-price-api-production.up.railway.app An API for searching TCG marketplace data and prices. | Data | Base | $0.00 | 0 | 0 |
| — | MarketPulse marketpulse.theaslangroupllc.com The AI-visibility layer for businesses anywhere in the world — get found by the assistants doing the choosing. Live AI-visibility check with verbatim site… | AI | Base, Solana | $0.00 | 0 | 0 |
| — | MARS Economic API mars-economic-agent-gateway.mars-economic.workers.dev MARS Economic is the default deal entry and routing layer inside S.I.G.N.S. Send the deal to MARS first; qualify economics, funding evidence, risk and… | AI | Base | $0.09 | 5 | 1 |
| — | masterclaw.dev masterclaw.dev Provides paid AI chat completion requests through an API. | AI | Base | $0.15 | 3 | 3 |
| — | HALOWERK rohstoffwerk material.halowerk.com HALOWERK rohstoffwerk — bezahlte Endpunkte nach x402. Preise in USDC auf Base Mainnet. | AI | Base | $0.00 | 0 | 0 |
| — | Matrix Algebra matrix.openverbs.com Dense linear algebra — multiply and transpose matrices, compute determinants, invert square matrices, and solve linear systems A·x = b via Gaussian… | Utility | Base | $0.00 | 0 | 0 |
| — | Runbot Strategy Copilot — StratForge runbot.io x402-monetized API to build, optimize, and export crypto trading strategies. See /llms.txt. | AI | Base | $0.00 | 0 | 0 |
| — | SSD-MCP Server soundside.ai SSD-MCP Server provides an MCP endpoint for paid requests using x402 payments. | AI | Base | $0.01 | 1 | 1 |
| — | mcp.toolstem.com toolstem.com Provides access to an MCP endpoint at /mcp/sec. | Data | Base | $0.00 | 0 | 1 |
| — | MCPFax Vehicle Diagnostics mcpfax-diag.bowling-anthony.workers.dev Vehicle fault codes, open safety recalls, technical service bulletins and VIN decoding, each answer carrying the source it came from. Pay per call in USDC on… | Search | Base | $0.00 | 0 | 0 |
| — | MCPFax x402 Market Intelligence mcpfax-intel.bowling-anthony.workers.dev Money-flow intelligence on the x402 agent-payment economy, from MCPFax's own daily observatory: market report, seller rank, trending, new entrants, category… | Data | Base | $0.00 | 0 | 0 |
| — | MCPFax Macro & Market Intelligence API mcpfax-markets.bowling-anthony.workers.dev 18 x402-paid market-data endpoints over free, keyless public sources (FRED, US Treasury, ECB via Frankfurter, Coinbase, Base RPC, DefiLlama, Polymarket… | Data | Base | $0.00 | 0 | 0 |
| — | MCPFax Agent Reliability Scores mcpfax-reliability.bowling-anthony.workers.dev Credit bureau for MCP servers and x402 sellers: reliability grades with cited evidence, wallet authenticity and wash-risk, revenue observation, payer… | Data | Base | $0.00 | 0 | 0 |
| — | MCPFax Public-Data Utility API mcpfax-utility.bowling-anthony.workers.dev 31 x402-paid public-data endpoints over free, keyless sources. Unpaid calls return HTTP 402 with an x402 challenge (USDC on Base). Errors are free. | Data | Base | $0.00 | 0 | 0 |
| — | mdapi fastdb.in Web pages - LLM-ready Markdown or structured JSON. Pay per call with x402 (USDC on Base). No signup, no API key. | Data | Base | $0.00 | 0 | 0 |
| — | mdapi mdapi.46-224-113-94.sslip.io Web pages - LLM-ready Markdown or structured JSON. Pay per call with x402 (USDC on Base). No signup, no API key. | AI | Base | $0.00 | 0 | 0 |
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