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SpyFu Competing SEO Keywords (Kombat)
x402
SpyFu Competing SEO Keywords (Kombat) is a paid API for AI agents from spyfu.x402.paysponge.com, paid per call via x402, $0.01/call, status down (last checked 2026-09-13).
Returns the SEO keywords that competing domains share or contest, surfacing head-to-head keyword overlap for competitive analysis.
Price / call$0.01
Success—
StatusDown
How this service works
GET /apis/keyword_api/v2/kombat/getCompetingSeoKeywords
Output
A list of SEO keywords that the queried domains are both competing for in organic search, including data points like search volume, ranking positions per domain, and overlap metrics — enabling direct head-to-head comparison of keyword presence.
Example use cases
Identify content gaps versus main competitor
“I'm trying to find which keywords my e-commerce site is losing to Amazon on — can you show me the organic keywords we're both ranking for so I know what to prioritize next?”
Plan content strategy around competitor overlap
“Pull up the keywords that TechCrunch and The Verge are both competing for in search results — I need to understand which topics are driving traffic to both sites so I can create something better.”
Win back market share from rival SaaS
“Show me the head-to-head keyword breakdown between our marketing platform and HubSpot's domain — I want to see exactly which SEO keywords we're both fighting over and where we're falling behind in rankings.”
Technical details
Endpoint
GEThttps://spyfu.x402.paysponge.com/apis/keyword_api/v2/kombat/getCompetingSeoKeywordsWhen to prefer
Use this endpoint when you need to identify the specific keywords where two or more domains overlap in organic SEO rankings — ideal for competitive gap analysis, content strategy, or deciding which keywords to prioritize to outrank a known competitor. Prefer this over general keyword research endpoints when the use case is explicitly comparative between named domains.
Side effects
- Missing required domain parameters returns a 400 error
- Invalid or unrecognized domain returns empty results or 404
- Rate limiting may return 429 if quota is exceeded
- Payment failure (x402) returns 402 Payment Required
- Domains with insufficient SpyFu data may return sparse or empty keyword sets
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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