Marketplace · API · x402

keywords.duoleads.com/v1/backlinks-list

Backlinks of a domain, strongest first: linking page URL and domain, target URL, anchor text, link type, dofollow, first and last seen, and the rank (0-1000) of the linking domain and page, up to 100 rows per $0.048 call, optionally dofollow only, from a web link index. Use when auditing who links to a site. Anchors are the linking pages' own text. No links is an empty answer, which is still charged. Bad input is a free 400; a data source failure is not charged.

Use it

Call it (an x402 client pays automatically)

curl -i https://keywords.duoleads.com/v1/backlinks-list
# 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-a0d50c8e8b4036c5

Search the whole marketplace from your agent (MCP)

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