seo.openverbs.com
POST https://seo.openverbs.com/v1/keyword-variations
Listed in Coinbase x402 Bazaar
Keyword variations API: expand a seed phrase into keywords containing that phrase, such as 'running shoes' into 'running shoes for women'. Each includes Google monthly search volume, CPC, competition, keyword difficulty and search intent. No matches returns empty results.
Other endpoints from seo.openverbs.com
The same service's other paid functions that Hagglyai tracks, each with its own price. Functions outside Hagglyai's categories are not listed.
| Endpoint | Category | Price per call |
|---|---|---|
| GET /v1/keyword-suggestions | Web search | $0.04 |
| POST /v1/keyword-suggestions | Web search | $0.04 |
| GET /v1/keyword-variations | Web search | $0.04 |
| GET /v1/keyword-volume-history | Web search | $0.15 |
| POST /v1/keyword-volume-history | Web search | $0.15 |
| GET /v1/serp-competitors | Web search | $0.05 |
| POST /v1/traffic-estimate | People & company enrichment | $0.05 |
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-variations"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseEstimated calls per day
Paid calls to seo.openverbs.com's tracked endpoints each day, estimated from the 30-day totals the x402 catalogues report. Each bar is the change in that 30-day total since the day before, plus the calls that left the 30-day window (taken as an average day). It is an estimate: Hagglyai does not measure or pay for these calls.
Usage available for 3 of 8 tracked endpoints, 17 paid calls in the last 30 days. Last updated 3 hours ago. Unknown usage is left out, not counted as zero.
Compared with other providers
seo.openverbs.com ranks 82nd of 125 in Web search by its latest reported 30-day paid calls. Coverage matters: a provider whose endpoints report more of their usage can rank higher.
| # | Provider | Reported 30-day calls | Coverage |
|---|---|---|---|
| 1 | blockrun.ai | 89,197 | 30 of 36 endpoints |
| 2 | stableenrich.dev | 28,177 | 15 of 31 endpoints |
| 3 | win.oneshotagent.com | 15,591 | 13 of 36 endpoints |
| 4 | api.exa.ai | 5,143 | 1 of 2 endpoints |
| 5 | x402.orthogonal.com | 4,075 | 189 of 249 endpoints |
| 6 | agent402.tools | 3,120 | 142 of 217 endpoints |
| 7 | agent.pocket.network | 2,931 | 13 of 24 endpoints |
| 8 | api.losbeto.xyz | 1,297 | 20 of 107 endpoints |
| 82 | seo.openverbs.com (this one) | 17 | 3 of 8 endpoints |