# melis x402 Tools 16 pay-per-call x402 utility APIs for AI agents. USDC on Base. No accounts, no API keys, no subscriptions. Charge-on-failure-safe across the fleet. > Boring infrastructure for AI agents. A melis.ai product, built in London, UK. Pricing: $0.001 to $0.49 per call, paid in USDC on Base via the x402 protocol. Settlement: ~2 seconds on Base (Coinbase L2). Wallets: 0x1C680703D6cF7dfC9FEABb5AA28E64B869ddB3bC (microservices, 13 services), 0x61F2eF18ab0630912D24Fd0A30288619735AfFf5 (Molt Swarm, 3 services). Install: npx @melis-ai/x402-tools-mcp (npm, MIT, open-source wrapper) Fleet status: 14 green / 0 red (last audited 2026-05-07) ## Services - [CacheServe](https://cacheserve.melis.ai/fetch): URL fetch with server-side caching · $0.001 - [DocConvert-Text](https://docconvert-text.melis.ai/convert): Format conversion (md↔html, json↔csv, etc.) · $0.001 - [SchemaGate](https://schemagate.melis.ai/validate-schema): Validate LLM output against JSON Schema · $0.001 - [NotifyRelay /webhook](https://notify.melis.ai/webhook): POST JSON to any public URL (HMAC-signed) · $0.001 - [PromptGuard](https://promptguard.melis.ai/score): Prompt injection risk score (0–100) · $0.002 - [NotifyRelay /notify](https://notify.melis.ai/notify): Send Telegram message · $0.002 - [StructExtract](https://structextract.melis.ai/extract): HTML → structured JSON (tables, links, emails, phones) · $0.002 - [DocConvert-PDF](https://docconvert-pdf.melis.ai/convert): HTML or markdown → PDF (base64) · $0.005 - [LinkRisk](https://linkrisk.melis.ai/profile): Lightweight URL risk profile (heuristic) · $0.005 - [MarkdownOpt](https://markdownopt.melis.ai/markdown): URL or HTML → clean LLM-ready markdown (~70% token reduction) · $0.005 - [NotifyRelay /email](https://notify.melis.ai/email): Send transactional email · $0.005 - [LinkSafe](https://linksafe.melis.ai/verify): Definitive URL safety check (Playwright sandbox + VirusTotal) · $0.01 - [ScrapePay](https://scrapepay.melis.ai/scrape): Web extraction via Playwright (robots.txt enforced, charge-on-failure-safe) · $0.01 - [Screenshot](https://api.melis.ai/screenshot): Headless Chromium PNG · $0.02 - [Web Synthesise](https://api.melis.ai/web/synthesise): Multi-source research synthesis with citations · $0.05 - [PDF Render](https://api.melis.ai/pdf/render): High-fidelity URL or HTML → PDF via Playwright · $0.49 ## Key documentation - [Install MCP](https://agents.melis.ai/docs/install-mcp): one-command setup for Claude Desktop, Cursor, Claude Code, Continue - [x402 payment flow](https://agents.melis.ai/docs/x402-payment): how the protocol works, client libraries, settlement details - [Composition recipes](https://agents.melis.ai/compose): canonical agent workflows with code examples and cost breakdowns - [Pricing](https://agents.melis.ai/pricing): full price table and comparison vs alternatives - [FAQ](https://agents.melis.ai/faq): 20+ questions covering x402, MCP, payment, comparisons, and security ## Optional - [npm package](https://www.npmjs.com/package/@melis-ai/x402-tools-mcp): open-source MCP wrapper (MIT) - [GitHub](https://github.com/mizukaizen/x402-tools-mcp): MCP wrapper source code - [Basescan — microservices wallet](https://basescan.org/address/0x1C680703D6cF7dfC9FEABb5AA28E64B869ddB3bC#tokentxns): live payment transparency - [Basescan — Molt Swarm wallet](https://basescan.org/address/0x61F2eF18ab0630912D24Fd0A30288619735AfFf5#tokentxns): live payment transparency