Marketplace · API · x402
keywords.duoleads.com/v1/related-keywords
Related keywords for a seed from Google's 'searches related to' graph, to a depth of 0-4, each with search volume, CPC, competition, keyword difficulty and search intent; up to 100 in one $0.04 call (Google Ads data). Use when you need topic clusters around a keyword. Each row has its depth and the further related searches. No matches returns empty results (still charged). Bad input is free; upstream errors are not charged.
| Endpoint | https://keywords.duoleads.com/v1/related-keywords |
| 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 | 0xCD673f7e1daD254347AEab6be0DEFe8b9C6b3A39 |
| method | POST |
| last updated | 2026-11-09T16:24:42.062Z |
Use it
Call it (an x402 client pays automatically)
curl -i https://keywords.duoleads.com/v1/related-keywords
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATUREThis listing as JSON
curl https://aipaygen.com/v1/catalog/api/x402-549f133dedfa4099Search the whole marketplace from your agent (MCP)
{
"mcpServers": {
"aipaygen": {
"url": "https://aipaygen.com/mcp"
}
}
}