seo.openverbs.com
x402Grade BLast checked 30 min ago
POST https://seo.openverbs.com/v1/keyword-volume-history
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.
Price$0.15per search query · paid in USD on Base
Uptime100%
5/5 probes · 173 ms
Score73Grade B
Paid usage, 30 days1payers · 1 calls
How to buy
This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.
curl -i -X POST "https://seo.openverbs.com/v1/keyword-volume-history"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-11 14:31 | Valid 402 | 402 | 222 ms | $0.15 |
| 2026-10-11 09:30 | Valid 402 | 402 | 269 ms | $0.15 |
| 2026-10-11 05:00 | Valid 402 | 402 | 170 ms | $0.15 |
| 2026-10-11 00:45 | Valid 402 | 402 | 173 ms | $0.15 |
| 2026-10-10 20:15 | Valid 402 | 402 | 167 ms | $0.15 |
Receipts
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What a check proves