Comparison

mono.orthogonal.com/pay/serper/search vs keywords.duoleads.com/v1/keyword-volume-history

Compare mono.orthogonal.com/pay/serper/search and keywords.duoleads.com/v1/keyword-volume-history on recorded checks, quality grade, protocol and price. Snapshot 11 Nov 2026.

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Fieldmono.orthogonal.com/pay/serper/searchkeywords.duoleads.com/v1/keyword-volume-history

Protocolx402x402

CategoryWeb Search & ScrapingWeb Search & Scraping

Trial callSucceededSucceeded

Health checkHealthy · 11 Nov 2026 · 257 msHealthy · 11 Nov 2026 · 569 ms

Quality gradeBB

Sign-inNot required for listed checksNot required for listed checks

Quality score82.181.7

Published tools——

PricePaid or unknownPaid or unknown

mono.orthogonal.com/pay/serper/search

Google Search - returns organic results, knowledge graph, people also ask, related searches, and sitelinks. Use for general web queries, fact-finding, and research. Pagination billing: call the first page normally and save billing.requestId from the Orthogona…

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