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SpyFu PPC Get Most Successful Keywords
x402
SpyFu PPC Get Most Successful Keywords 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 the most successful pay-per-click (PPC) keywords for a domain based on SpyFu data
Price / call$0.01
Success—
StatusDown
How this service works
GET /apis/keyword_api/v2/ppc/getMostSuccessful
Output
Returns a list of the most successful PPC keywords for the specified domain, likely including keyword text, estimated ad spend, click volume, CPC, and performance metrics indicating which paid search terms have historically driven the most value.
Example use cases
Example prompt
“What are the most successful PPC keywords that nike.com is currently bidding on according to SpyFu — show me which paid search keywords are performing best for them?”
Technical details
Endpoint
GEThttps://spyfu.x402.paysponge.com/apis/keyword_api/v2/ppc/getMostSuccessfulWhen to prefer
Use this endpoint when you need to identify which paid search keywords are performing best for a specific domain — ideal for competitive PPC research, finding proven high-ROI keywords a competitor is betting on, or benchmarking your own paid search strategy against industry players. Prefer this over SEO keyword endpoints when the focus is specifically on paid/Google Ads traffic rather than organic rankings.
Side effects
- Missing or invalid domain parameter returns 400 error
- Domain not found in SpyFu database returns empty results
- Payment not processed via x402 returns 402 Payment Required
- Rate limit exceeded returns 429 error
- Malformed query parameters return 422 validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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