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SpyFu SEO Keywords Lookup
x402
SpyFu SEO Keywords Lookup is a paid API for AI agents from spyfu.x402.paysponge.com, paid per call via x402, $0.01/call, status down (last checked 2026-09-15).
Retrieves SEO keyword data for a domain using SpyFu's SERP API via the Sponge x402 payment proxy
Price / call$0.01
Success—
StatusDown
How this service works
GET /apis/serp_api/v2/seo/getSeoKeywords
Output
Returns a list of SEO keywords associated with the queried domain, including organic ranking data such as keyword terms, search volume estimates, ranking positions, and related traffic metrics as provided by SpyFu's SERP database.
Example use cases
Competitive SEO research for market entry
“I'm planning to launch a new SaaS product in the project management space. Can you pull the SEO keywords that Asana and Monday.com rank for? I want to understand what search terms are bringing traffic to our main competitors so we can build a similar keyword strategy.”
Identify traffic opportunities from competitor sites
“We've been outranked by our biggest competitor lately. Can you look up the organic search keywords they're ranking for and show me their search volume? That way I can see which high-traffic keywords we should be targeting that they're already winning with.”
Audit our domain's keyword performance
“Pull all the SEO keywords that our domain ranks for right now using SpyFu. I need to understand our current organic search footprint and which keywords are actually driving visitors to our site so we can double down on what's working.”
Technical details
Endpoint
GEThttps://spyfu.x402.paysponge.com/apis/serp_api/v2/seo/getSeoKeywordsWhen to prefer
Use this endpoint when you need to retrieve the organic SEO keywords a specific domain ranks for, especially for competitive research or SEO auditing. Prefer this over general web search when you need structured, historical keyword ranking data from SpyFu's database accessed through a pay-per-call x402 model without a subscription.
Side effects
- Missing or invalid domain parameter returns an error
- Payment failure via x402 protocol results in 402 response
- Rate limiting or quota exceeded returns an error response
- Domain not found in SpyFu database returns empty results
- Network timeout from upstream SpyFu API
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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