Compare your domain against competitors programmatically — find keyword gaps, traffic differences, and content opportunities using automated workflows instead of manual analysis.
Note: SE Ranking API is available as a standalone plan and does not require an SE Ranking platform subscription. You can explore it risk free with a 14-day trial that includes 100,000 free credits.
If you're on an SE Ranking subscription: You can purchase the API as an addon. If you'd like to test it first, ping support via in-app chat with your account email to request 100,000 free credits – or contact api@seranking.com.
Overview
Competitive research is essential to any SEO strategy, but doing it manually is repetitive and hard to scale. The typical process involves entering domains one at a time, scanning keyword overlap reports, exporting results, and compiling findings into a spreadsheet. The deeper problem is that competitive analysis usually happens once — during onboarding or at the start of a project — and then goes stale because no one has time to repeat it.
The SE Ranking API makes competitive research a programmable step. Instead of comparing domains inside a UI, a script, automation workflow, or product backend calls the API with two or more domains and receives structured data — keyword gaps, traffic comparisons, and ranking positions — ready to feed into a report, content plan, or product interface.
How the SE Ranking API Fits into the Workflow
Teams typically trigger competitive research in one of two ways: on a schedule — running keyword gap and traffic comparisons across client domains weekly or monthly — or on demand, when a user enters a domain and the system automatically identifies competitors, runs the comparison, and returns results. Some teams compare a single client domain against one competitor to find keyword gaps. Others run the comparison across multiple competitors simultaneously, filtering results by volume, difficulty, and branded vs. non-branded keywords to surface only actionable opportunities. The output feeds into dashboards, content pipelines, personalized outreach, or product interfaces — depending on the workflow.
What You Can Build
- Keyword gap analysis. Compare a client or user domain against competitors and surface the keywords the target is missing — filtered by volume, difficulty, and position range to highlight quick-win opportunities alongside longer-term gaps.
- Competitive benchmarking. Let users enter their domain and competitors and see side-by-side traffic, keyword, and ranking comparisons inside your product — updated automatically rather than pulled manually from a separate tool.
- Competitor-informed content pipelines. Feed keyword gaps and competitor ranking data into AI models that generate content briefs, suggest topics, or optimize existing pages based on what competitors rank for and what the target does not.
- Competitive intelligence for sales and outreach. Scan a prospect domain, extract keyword opportunities the prospect is missing, and embed specific competitive insights in personalized outreach — so each email reads as individually researched.
Data Used in This Workflow
Resources
Get Started
Ready to try it yourself? → Sign up for a 14 day trial , get your API key. For additional help, please send an email to api@seranking.com .