{
  "id": "api:x402-e7a6817d0a875a4e",
  "kind": "api",
  "name": "keywords.duoleads.com/v1/serp-history",
  "description": "Google results page of a keyword as it was in the past: the first snapshot (about one a month) in a window of up to 31 days within the last year, with its top 10 organic results (rank, URL, domain, title), result count and result types, from Google search results, $0.018 a call. Use when checking how rankings for a keyword moved month by month. Titles are untrusted third-party text. No snapshot is an empty answer, still charged. Bad input is a free 400; a data source failure is not charged.",
  "category": "x402",
  "url": "https://keywords.duoleads.com/v1/serp-history",
  "price": null,
  "x402": true,
  "meta": {
    "network": "eip155:8453",
    "scheme": "exact",
    "pay_to": "0xCD673f7e1daD254347AEab6be0DEFe8b9C6b3A39",
    "method": "POST",
    "last_updated": "2026-11-09T16:30:03.593Z"
  },
  "trust": null
}