SERP history API: archived Google search results for one keyword over the past year, with observation dates, SERP feature types and ranked organic titles, URLs and domains. Coverage is sparse and may be months old, not a complete monthly series or current rank tracking. Returns available snapshots oldest-first; no data returns found=false.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.01 USDC | 0xb3f4...194A |