Search intelligence · Keyword ideas, historical search metrics and planning forecasts API
Research external search demand and keyword opportunities through KeywordPlanIdeaService. The wider API also reports on campaigns in accounts you manage.
Put it to work
Research external search demand and keyword opportunities through KeywordPlanIdeaService. The wider API also reports on campaigns in accounts you manage.
Compare relevant queries, topics or markets within the available coverage. Use the result to shortlist a content test, then measure whether it attracts the buyers you want.
What it covers
Geography: Keyword-planning locations, languages and search-network settings supported by Google Ads
Granularity: Keyword ideas; historical search volume, competition and bid metrics; campaign forecast estimates
Source type: Keyword ideas, historical search metrics and planning forecasts API
Access and cost
Authorize a Google Ads account and obtain a developer token; token access level controls API quotas.
Cost: The documentation does not state a separate API charge; advertising spend and account requirements are separate.
Update cadence: Historical search volume metrics refresh monthly; planning responses can remain consistent over hours or days.
Before you use it
Planning estimates are market signals, not observed competitor conversions or guaranteed traffic. Keyword-planning requests have their own rate limits.