Marketplace · API · x402

x402.agentutility.ai/keyword-suggest

Keyword and autocomplete suggestions for any seed query. Aggregates Wikipedia OpenSearch and DuckDuckGo autocomplete (both public, no auth) into a de-duplicated ranked list — useful for SEO keyword research, content-gap analysis, LLM query expansion, and agent-driven research.

Endpoint	`https://x402.agentutility.ai/keyword-suggest`
Trust	0% uptime over 1 checks
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x6c0752c09e7F6fA6526fCDf40e456a159ebB5621
method	POST
last updated	2026-11-11T14:50:26.541Z

Use it

Call it (an x402 client pays automatically)

curl -i https://x402.agentutility.ai/keyword-suggest
# 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-a396f155abce7806

Search the whole marketplace from your agent (MCP)

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