apio

Categories · Data & Web

SEO & Keyword Data APIs

Keyword research data — search volume, difficulty, CPC, and ranking metrics for SEO and PPC.

Looking for a recommendation? See the Best SEO & Keyword Data APIs guide.

Sorted by a data-readiness score (published pricing, free tier, self-serve access, compliance, webhooks/sandbox, capability breadth). No paid placement. ✓ yes · ✗ no · · unknown.

9 APIs compared
#APIPricingFreeSelf-serveSOC 2HIPAAGDPRWebhooksActions
1DataForSEOUsage✗✓··✓✓74
2Google Ads API—✓✓··✓✗9
3Ahrefs APIHybrid✗✓In progress·✓✗71
4Serpstat APISubscription✗✓··✓·51
5Semrush APIHybrid✗✓··✓✗149
6Keywords EverywhereHybrid✓✓··✓·12
7Moz APIHybrid✓✓?··✗30
8SE RankingHybrid✗✓··✓·156
9SpyFu APIHybrid✗✓?··✗49

The APIs

  • DataForSEO

    We provide comprehensive SEO and digital marketing data solutions via API

  • Google Ads API

    Keyword Planning is a process for getting keyword metrics and forecasts as well as searching for new keywords to add to campaigns.

  • Ahrefs API

    With Ahrefs API, you can use data from your Ahrefs workspace to create custom integrations and automations.

  • Serpstat API

    The most cost-effective API SEO data provider

  • Semrush API

    Semrush API (Application Programming Interface) is a method of extracting raw Semrush data without manually logging into the platform.

  • Keywords Everywhere

    Pull search volume, CPC, competition, related keywords, traffic and backlink data into your own app, over one REST API, using the same API key you already use in the extension.

  • Moz API

    Moz API gives you the power to quickly create custom SEO tools, dashboards, and integrations — affordably and at scale.

  • SE Ranking

    Automate SEO & GEO workflows with SE Ranking's SEO API

  • SpyFu API

    Customize your marketing stack with the SpyFu API