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20+ pay-per-use APIs: image gen, crypto data, email verify, SSL check, web scraping, and more.
MCP endpoint :https://sparkforge.sh/mcp · website · measurements and detailsSmall public utility for autonomous clients.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/util-020/mcp · website · measurements and detailsAgent-native double-entry accounting ledger with x402 micropayments
MCP endpoint :https://journalize.dev/mcp · website · measurements and detailsCountry economic momentum score (GDP, inflation, unemployment) via x402 USDC micropayments.
MCP endpoint :https://macro-pulse-x402.onrender.com/mcp/ · website · measurements and detailsRegime-aware ES1/NQ futures trading signals. HMM + 15 quant strategies. x402 USDC micropayments.
MCP endpoint :https://api.lattiq.ai/mcp · website · measurements and detailsCounterparty risk scoring for agentic commerce via x402 micropayments.
MCP endpoint :https://revettr.com/mcp · website · measurements and details80 paid MCP tools via x402 USDC micropayments. Crypto data, web scraping, auditing, and more.
MCP endpoint :https://mcp.eruditepay.com/mcp · website · measurements and detailsPay-per-use web extract, token prices, and wallet balances via x402 USDC micropayments.
MCP endpoint :https://x402-web-extract.senpi-agent.workers.dev/mcp · website · measurements and details25 pay-per-request intelligence APIs for AI agents via x402 micropayments (USDC/Base)
MCP endpoint :https://x402-apis-eta.vercel.app/api/mcp · website · measurements and details41 crypto micropayment services via x402 protocol
Package pypi :coinrailz-mcp · website · measurements and details337 MCP tools with x402 micropayments on Base. $0.001/call. No signup, no API keys.
MCP endpoint :https://swarm.gadgethumans.com/mcp · website · measurements and detailsPay for HTTP APIs and charge for your own: x402 micropayments in USDC on Base.
MCP endpoint :https://x402-mcp.onrender.com/mcp/mcp · website · measurements and details70+ pay-per-call security, crypto, and data tools for AI agents via x402 USDC micropayments on Base
MCP endpoint :https://etherealgoodsco.store/mcp · website · measurements and detailsNatural language to cron expression converter. x402 micropayment.
MCP endpoint :https://crontab-generator.api.klymax402.com/mcp · website · measurements and detailsRFC 9110 x402 Solana compliance screening and micropayments gateway for AI agents.
Package npm :@msantagiulianab/x402-mcp-server · website · measurements and detailsEncode/decode base64 and URL-safe base64. x402 micropayment.
MCP endpoint :https://base64-codec.api.klymax402.com/mcp · website · measurements and detailsCryptographic hashing — MD5, SHA1, SHA256, SHA512, bcrypt. x402 micropayment.
MCP endpoint :https://hash-generator.api.klymax402.com/mcp · website · measurements and detailsCount words, characters, sentences, paragraphs, reading time. x402 micropayment.
MCP endpoint :https://word-counter.api.klymax402.com/mcp · website · measurements and detailsUsage metering + SLA accounting for agent services (the meter behind x402 micropayments).
MCP endpoint :https://mcp.viridisconservation.com/metering/mcp · website · measurements and detailsAI agent marketplace with MCP support and HTTP 402 micropayments (x402/intmax402).
MCP endpoint :https://clawagent-production.up.railway.app/mcp/sse · website · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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