Handles prepaid credit top-ups: configurable with a Stripe secret key and webhook secret, it listens for checkout.session.completed events at its billing webhook to add purchased credits to an account's balance.
This server has a remotely hosted endpoint. Open its connector listing for connection details, authentication requirements, and setup instructions:
Pay-per-call website and company intelligence for AI agents, served over MCP and a plain HTTP API, paid with prepaid credits or x402 USDC. Runs on Cloudflare Workers: no server to keep alive.
Tool | What it does | Price |
| DNS records, DNS host, email provider | $0.001 |
| HTTP security headers grade A–F | $0.001 |
| Registrar, created/expiry dates, age (RDAP) | $0.002 |
| SPF / DMARC / DKIM / MTA-STS grade, spoofability | $0.002 |
| Title, socials, contact emails, key pages, schema.org org | $0.002 |
| Main page content as clean Markdown | $0.002 |
| Current cert, expiry, every subdomain from CT logs | $0.003 |
| 90+ technologies with evidence | $0.003 |
| One-call company enrichment from a domain | $0.01 |
| Everything above in one report | $0.02 |
Free: pricing, create_api_key, account_balance. Failed calls are never charged.
# Free key with trial credits
curl -X POST https://aipaygen.com/v1/keys
# HTTP
curl "https://aipaygen.com/v1/company_profile?domain=figma.com" -H "Authorization: Bearer apg_..."
# Claude Code
claude mcp add --transport http aipaygen https://mcp.aipaygen.com/mcp --header "Authorization: Bearer apg_..."Without a key, paid endpoints answer 402 Payment Required with x402 v2
requirements (PAYMENT-REQUIRED header); x402 clients pay and retry with
PAYMENT-SIGNATURE. Over MCP the payment goes in _meta["x402/payment"].
Related MCP server: carbon-cashmere-mcp
Requires Node.js 22+.
npm install
npm run db:migrate:local
npm run dev # http://127.0.0.1:8787
npm test # unit tests
npm run typechecknpx wrangler login
npx wrangler d1 create aipaygen # paste the database_id into wrangler.jsonc
npm run db:migrate:remote
npx wrangler secret put ADMIN_TOKEN
npm run deployThen set in wrangler.jsonc → vars:
PUBLIC_URL: https://aipaygen.com
PAY_TO: your wallet address (enables x402)
X402_NETWORK: eip155:84532 (Base Sepolia testnet) or eip155:8453 (Base mainnet; needs a mainnet facilitator)
Uncomment the routes block to serve aipaygen.com, and add
mcp.aipaygen.com / api.aipaygen.com custom domains so existing directory
listings keep working.
Card top-ups: set STRIPE_SECRET_KEY and STRIPE_WEBHOOK_SECRET secrets and
point a Stripe webhook (checkout.session.completed) at /billing/webhook.
src/index.ts routes + MCP handler
src/mcp.ts MCP server (stateless, MCP 2026-07-28 + 2025 clients)
src/http.ts /v1 HTTP API with x402 headers
src/billing/ API keys + credits (D1), x402, Stripe
src/tools/ the Site Intel tools
src/pages.ts landing, docs, billing, llms.txt, OpenAPI, server card
migrations/ D1 schema
test/ Vitest unit testsThe previous Python version (v1) lives on in the git history of the GitHub repo.
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
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This server cannot be deployed
Pay-per-use MCP tools for AI agents. USDC on Base via x402. No API keys.
Pay-per-use tool marketplace for AI agents. Search, price-check, and call APIs via MCP.
Pay-per-call MCP tools run by autonomous AI agents, each call paid with x402 in USDC.
Production-grade MCP gateway delivering 8 real-time AI tools with instant x402 micropayments settled in USDC on Base Mainnet or SPL-USDC on Solana. Features Basescan contract auditing, wallet analytics, headless browser scraping, and pre-scraped oracle data feeds.