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OpenVerbs SEO Keyword Overview
x402
OpenVerbs SEO Keyword Overview is a paid API for AI agents from seo.openverbs.com, paid per call via x402, $0.04/call, status unknown (last checked 2026-09-13).
Returns Google monthly search volume, CPC, competition, keyword difficulty, and search intent for a list of known keywords
Price / call$0.04
Success—
StatusUnknown
How this service works
Get exact SEO metrics for a list of keywords you already have: Google monthly search volume, CPC, competition, keyword difficulty and search intent for each. For prioritising a keyword list. Unknown keywords are omitted.
Output
Returns a structured list of SEO metrics for each recognized keyword, including Google monthly search volume, cost-per-click (CPC), competition level, keyword difficulty score (0-100), and search intent classification. Keywords that are unknown to the data provider are omitted from the results.
Example use cases
Prioritizing a content calendar by search demand
“I have these 10 blog topic keywords: 'best CRM software', 'CRM for small business', 'free CRM tools', 'CRM vs spreadsheet', 'CRM implementation tips', 'Salesforce alternatives', 'HubSpot pricing', 'CRM for startups', 'CRM features list', 'CRM automation' — can you look up the monthly search volume, keyword difficulty, and search intent for all of them in the US so I can decide which to write about first?”
Validating keywords before an ad campaign
“Before I launch a Google Ads campaign, can you check these keywords for me: 'buy running shoes online', 'mens trail running shoes', 'womens road running shoes', 'lightweight running shoes' — I need CPC and competition scores for each so I can estimate my budget.”
Localizing keyword metrics for a non-English market
“Can you get me the monthly search volume, difficulty, and CPC for these keywords in German — 'projektmanagement software', 'aufgabenverwaltung', 'teamkollaboration tool' — using the German language and a Germany location code?”
Technical details
Endpoint
POSThttps://seo.openverbs.com/v1/keyword-overviewWhen to prefer
Use this endpoint when you already have a specific list of keywords and need exact, comprehensive SEO metrics for each one — not for discovering new keyword ideas. It's ideal for prioritization workflows where you want search volume, CPC, competition, difficulty, and intent all in one call for up to 100 keywords. Prefer this over the keyword discovery endpoint when your keyword list is already defined and you simply need to enrich it with DataForSEO data. The sibling keyword-difficulty-only endpoint is more cost-effective if you only need difficulty scores at scale.
Side effects
- Unknown or very niche keywords are silently omitted from results
- Invalid language code (not 2-letter ISO) returns a validation error
- Keyword list exceeds 100 items triggers a validation error
- Invalid location code returns an error or defaults to US
- Empty keywords array rejected due to minItems constraint
- Payment failure via x402 prevents the call from completing
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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