Long-tail keyword suggestions
x402Grade BLast checked 2 hours ago
POST https://seo.openverbs.com/v1/keyword-suggestions
Keyword suggestions API - find long-tail keywords that contain your seed phrase (full-text phrase match), each with Google monthly search volume, CPC, competition, keyword difficulty and search intent. Complements keyword-ideas (semantically related terms) with literal phrase-match variations. For long-tail content and PPC research. No matches returns empty results.
Price$0.04per search query · paid in USD on Base
Uptime100%
4/4 probes · 1058 ms
Score71Grade 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-suggestions"
# 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 11:31 | Valid 402 | 402 | 1095 ms | $0.04 |
| 2026-10-11 07:01 | Valid 402 | 402 | 991 ms | $0.04 |
| 2026-10-11 02:45 | Valid 402 | 402 | 2113 ms | $0.04 |
| 2026-10-10 22:15 | Valid 402 | 402 | 1021 ms | $0.04 |
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