# Services from spyfu.x402.paysponge.com on Zero

> spyfu.x402.paysponge.com serves 47 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/spyfu.x402.paysponge.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/spyfu.x402.paysponge.com/health.json

## Services

- [SpyFu Just Fell Off Keywords](https://www.zero.xyz/c/spyfu-6af849f8/llms.txt): $0.01/call via x402. Returns keywords that a domain recently dropped out of top search rankings for, indicating SEO ranking losses
- [SpyFu Domain Ad History API](https://www.zero.xyz/c/spyfu-012440a0/llms.txt): $0.010000/call via x402. Retrieves the historical paid search advertising data for a given domain, including past ad spend, keywords, and campaign history via SpyFu's Cloud Ad History API.
- [SpyFu Competing SEO Keywords (Kombat)](https://www.zero.xyz/c/spyfu-4d83f4c1/llms.txt): $0.01/call via x402. Returns the SEO keywords that competing domains share or contest, surfacing head-to-head keyword overlap for competitive analysis.
- [SpyFu Organic Outranking Keywords](https://www.zero.xyz/c/spyfu-8c634f65/llms.txt): $0.01/call via x402. Returns the organic keywords for which a given domain outranks a competitor in Google search results
- [SpyFu Historic Keyword Rankings for Domains](https://www.zero.xyz/c/spyfu-b6979d10/llms.txt): $0.01/call via x402. Retrieves historical organic search rankings for a specific keyword across one or more domains over time
- [SpyFu Get Top SEO Competitors](https://www.zero.xyz/c/spyfu-4ef885c7/llms.txt): $0.01/call via x402. Returns the top organic search competitors for a given domain using SpyFu's SEO data
- [SpyFu Paid SERP Results API](https://www.zero.xyz/c/spyfu-ef62a368/llms.txt): $0.01/call via x402. Retrieves paid search engine results pages (PPC ads) for a given keyword or domain via SpyFu's data
- [SpyFu Term Ad History API](https://www.zero.xyz/c/spyfu-b5bf8898/llms.txt): $0.01/call via x402. Retrieves the historical paid search (PPC) ad history for a specific search term or keyword via SpyFu
- [SpyFu Combined Top Competitors](https://www.zero.xyz/c/spyfu-9ed2594d/llms.txt): $0.01/call via x402. Returns a combined list of top organic and paid search competitors for a given domain using SpyFu data
- [SpyFu Term Ad History with Stats](https://www.zero.xyz/c/spyfu-b2d691b8/llms.txt): $0.01/call via x402. Retrieves the historical paid search ad history for a given keyword/term along with performance statistics via SpyFu's data.
- [SpyFu Historic Rankings for Domain on Keywords](https://www.zero.xyz/c/spyfu-35d84474/llms.txt): $0.01/call via x402. Retrieves historical organic search rankings for a specific domain across a set of target keywords
- [SpyFu Also-Buys Ads for Keywords](https://www.zero.xyz/c/spyfu-fab56d93/llms.txt): $0.01/call via x402. Returns keywords for which advertisers who buy ads on a given keyword also purchase paid search ads, revealing co-purchased ad keyword clusters.
- [SpyFu Historic Organic Rankings for Domain](https://www.zero.xyz/c/spyfu-3573d3a0/llms.txt): $0.01/call via x402. Retrieves historical organic search rankings for a specified domain over time using SpyFu data
- [SpyFu Newly Ranked Keywords](https://www.zero.xyz/c/spyfu-7034cd40/llms.txt): $0.01/call via x402. Returns a list of keywords that a domain has recently started ranking for in organic search results
- [SpyFu Domain Stats for Exact Date](https://www.zero.xyz/c/spyfu-a0cb7924/llms.txt): $0.01/call via x402. Retrieves SEO and traffic domain statistics for a specific historical date using SpyFu data
- [SpyFu SERP – Where They Outrank You](https://www.zero.xyz/c/spyfu-b89b91d9/llms.txt): $0.01/call via x402. Returns the keywords on which a competitor domain outranks your domain in organic search results
- [SpyFu Kombat Competing PPC Keywords](https://www.zero.xyz/c/spyfu-769784a3/llms.txt): $0.01/call via x402. Returns the PPC (pay-per-click) keywords that competitors are bidding on in paid search, enabling competitive advertising intelligence via SpyFu's Kombat tool.
- [SpyFu Keyword Expansions API](https://www.zero.xyz/c/spyfu-0e77cbba/llms.txt): $0.01/call via x402. Returns related and expanded keyword suggestions for a given seed keyword using SpyFu's keyword database
- [SpyFu SERP - Get Where They Just Surpassed You](https://www.zero.xyz/c/spyfu-8226d2d4/llms.txt): $0.01/call via x402. Returns SEO keywords where a competitor domain recently overtook your domain in search rankings
- [SpyFu Related Keywords API](https://www.zero.xyz/c/spyfu-d6f6654b/llms.txt): $0.01/call via x402. Returns related keywords for a given seed keyword using SpyFu's keyword relationship data
- [SpyFu Most Valuable Keywords via Sponge](https://www.zero.xyz/c/spyfu-3e4fe500/llms.txt): $0.010000/call via x402. Returns the most valuable SEO keywords for a domain based on traffic and ranking value, sourced from SpyFu via the Sponge x402 payment proxy
- [SpyFu Transaction Keywords API](https://www.zero.xyz/c/spyfu-f8b284c7/llms.txt): $0.010000/call via x402. Returns transaction-intent keywords related to a query, identifying high-commercial-intent search terms via SpyFu's keyword database
- [SpyFu PPC Top Competitors API](https://www.zero.xyz/c/spyfu-9110667e/llms.txt): $0.010000/call via x402. Returns the top pay-per-click (PPC) competitors for a given domain using SpyFu data
- [SpyFu Get Most Traffic Top Pages](https://www.zero.xyz/c/spyfu-52573a3a/llms.txt): $0.01/call via x402. Returns the top pages of a domain ranked by organic search traffic using SpyFu's SERP data
- [SpyFu getAlsoRanksForKeywords](https://www.zero.xyz/c/spyfu-c9564821/llms.txt): $0.01/call via x402. Returns related keywords that also rank alongside a given set of keywords in organic search results
- [SpyFu Bulk Domain Stats API](https://www.zero.xyz/c/spyfu-645deb2f/llms.txt): $0.01/call via x402. Retrieves SEO and PPC statistics for multiple domains in a single request via SpyFu's domain stats API
- [SpyFu Just Made It Keywords (via Sponge/x402)](https://www.zero.xyz/c/spyfu-ed82df4a/llms.txt): $0.01/call via x402. Returns SEO keywords that a domain has just recently broken into the rankings for, indicating newly achieved search positions
- [SpyFu Gained Clicks Keywords](https://www.zero.xyz/c/spyfu-180801d7/llms.txt): $0.01/call via x402. Retrieves keywords for which a domain has recently gained organic search clicks, powered by SpyFu SEO data via the Sponge x402 payment proxy.
- [SpyFu Top Pages SEO Lookup](https://www.zero.xyz/c/spyfu-ff4ba45f/llms.txt): $0.01/call via x402. Retrieves the top-ranked SEO pages for a given domain using SpyFu data
- [SpyFu Get All Domain Stats](https://www.zero.xyz/c/spyfu-cafa4439/llms.txt): $0.01/call via x402. Retrieves comprehensive SEO and PPC statistics for a domain via SpyFu's domain stats API
- [SpyFu SEO Keywords Lookup](https://www.zero.xyz/c/spyfu-642af87b/llms.txt): $0.01/call via x402. Retrieves SEO keyword data for a domain using SpyFu's SERP API via the Sponge x402 payment proxy
- [SpyFu Gained Ranks Keywords (via Sponge/x402)](https://www.zero.xyz/c/spyfu-02289df1/llms.txt): $0.010000/call via x402. Returns keywords for which a domain has recently gained search engine rankings, powered by SpyFu's SERP data.
- [SpyFu PPC Get Most Successful Keywords](https://www.zero.xyz/c/spyfu-3c6ec9fb/llms.txt): $0.01/call via x402. Retrieves the most successful pay-per-click (PPC) keywords for a domain based on SpyFu data
- [SpyFu Lost Ranks Keywords](https://www.zero.xyz/c/spyfu-0ef78994/llms.txt): $0.01/call via x402. Retrieves keywords for which a domain has recently lost its search engine rankings
- [SpyFu SERP Analysis Keywords](https://www.zero.xyz/c/spyfu-9da42ba3/llms.txt): $0.01/call via x402. Retrieves SERP analysis keyword data for SEO research via SpyFu through the Sponge x402 payment proxy
- [SpyFu Domain Active Dates API](https://www.zero.xyz/c/spyfu-4b287e9e/llms.txt): $0.01/call via x402. Returns the dates on which a domain was actively tracked or had SEO/PPC activity recorded in SpyFu's database
- [SpyFu Live SEO Stats](https://www.zero.xyz/c/spyfu-0e60319a/llms.txt): $0.01/call via x402. Retrieves live SEO statistics for a domain or keyword via SpyFu's SERP API through the Sponge x402 payment proxy
- [SpyFu PPC New Keywords Discovery](https://www.zero.xyz/c/spyfu-5fe887a3/llms.txt): $0.01/call via x402. Fetches new PPC keyword suggestions for a domain or seed keyword using SpyFu's paid search data
- [SpyFu Lost Clicks Keywords](https://www.zero.xyz/c/spyfu-226bf8f7/llms.txt): $0.01/call via x402. Retrieves keywords for which a domain has lost organic search clicks, indicating ranking drops or missed traffic opportunities
- [SpyFu Question Keywords API](https://www.zero.xyz/c/spyfu-0cc12d19/llms.txt): $0.010000/call via x402. Returns question-based keyword suggestions related to a given topic or keyword using SpyFu's keyword intelligence data
- [SpyFu Keyword Information API (via Sponge/x402)](https://www.zero.xyz/c/spyfu-fa9a9087/llms.txt): $0.01/call via x402. Retrieves detailed SEO and search data for a specific keyword, including search volume, cost-per-click, competition metrics, and related insights from SpyFu.
- [SpyFu Get New Top Pages (via Sponge/x402)](https://www.zero.xyz/c/spyfu-d85fdf93/llms.txt): $0.01/call via x402. Retrieves newly emerged top-ranking pages for a domain in organic search results via SpyFu's SERP API
- [SpyFu Domain Stats - Get Matching Domains](https://www.zero.xyz/c/spyfu-28d21702/llms.txt): $0.01/call via x402. Searches for and returns domains matching a given query or keyword pattern using SpyFu's domain stats database
- [SpyFu Account API Usage by Month and Method](https://www.zero.xyz/c/spyfu-d26d6854/llms.txt): free. Retrieves SpyFu API usage statistics broken down by method for a specific month, for the authenticated account.
- [SpyFu Monthly API Usage Lookup](https://www.zero.xyz/c/spyfu-1cd2ee9b/llms.txt): free. Retrieves the API usage statistics for a given calendar month from the SpyFu Accounts API
- [SpyFu Accounts API - Monthly Usage Daily Breakdown](https://www.zero.xyz/c/spyfu-75bbaecb/llms.txt): free. Returns daily API usage breakdown for a given calendar month for a SpyFu accounts subscription via the Sponge x402 payment proxy.
- [SpyFu Domain Stats API – Get Latest Domain Stats](https://www.zero.xyz/c/spyfu-42c4f11d/llms.txt): $0.01/call via x402. Returns the latest SEO and PPC domain statistics for a given domain via SpyFu's data, accessed through the Sponge x402 payment proxy

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)