Marketplace · API · x402

ryumoon-x402-tools.ryumoon.workers.dev/metadata

URL metadata / link preview: title, description, Open Graph and Twitter tags, canonical URL, favicon, language, author/dates, RSS/Atom feeds, hreflang, robots and JSON-LD. Fast one-fetch SEO metadata. Charged only on success.

Endpoint	`https://ryumoon-x402-tools.ryumoon.workers.dev/metadata`
Trust	Not checked yet
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x6E131DA10b0D717104c491391d47c2EB0Ef01e73
method	GET
last updated	2026-11-10T10:52:49.472Z

Use it

Call it (an x402 client pays automatically)

curl -i https://ryumoon-x402-tools.ryumoon.workers.dev/metadata
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-080ef313ece807e9

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}