Marketplace · API · x402

seo.openverbs.com/v1/keyword-volume-history

Keyword volume history API: get Google monthly search volume history for a list of keywords, back to 2019: a per-keyword month-by-month search-volume time series plus current CPC and competition. For spotting seasonality, demand trends and momentum that a single keyword-overview snapshot misses. Up to 10 keywords per call; unknown keywords are omitted.

Endpointhttps://seo.openverbs.com/v1/keyword-volume-history
Trust✓ Verified callable · 100% uptime over 1 checks · ~1028 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A
methodPOST
last updated2026-10-29T23:26:53.849Z

Use it

Call it (an x402 client pays automatically)

curl -i https://seo.openverbs.com/v1/keyword-volume-history
# 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/x402-669e434032a90e1c

Search the whole marketplace from your agent (MCP)

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

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