Comparison

api.fastaf.co/x402/v1/serp vs keywords.duoleads.com/v1/keyword-volume-history

Compare api.fastaf.co/x402/v1/serp and keywords.duoleads.com/v1/keyword-volume-history on recorded checks, quality grade, protocol and price. Snapshot 11 Nov 2026.

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Fieldapi.fastaf.co/x402/v1/serpkeywords.duoleads.com/v1/keyword-volume-history

Protocolx402x402

CategoryWeb Search & ScrapingWeb Search & Scraping

Trial callSucceededSucceeded

Health checkHealthy · 11 Nov 2026 · 1201 msHealthy · 11 Nov 2026 · 569 ms

Quality gradeBB

Sign-inNot required for listed checksNot required for listed checks

Quality score81.681.7

Published tools——

PricePaid or unknownPaid or unknown

api.fastaf.co/x402/v1/serp

Google Search results (SERP) for a query, as JSON: organic result titles, URLs, snippets and positions. Supports keyword search, country and language targeting for source discovery, fact-finding and research. Provided by Google Search results (SERP). Price: $…

Agent page

keywords.duoleads.com/v1/keyword-volume-history

Monthly Google search volume history for up to 20 keywords in one $0.048 call: every month the data has (typically several years), oldest first, plus current volume, CPC and competition (Google Ads data). Use when you need seasonality or long-term demand tren…

Agent page