Best SEO APIs
The secret sauce for boosting website rankings! Access valuable SEO data and insights to optimize your website's performance and improve your search engine rankings with ease.

Top ranked websites by SEO
Returns the top-ranked websites globally by SEO. Rankings are calculated via SimilarWeb's SimilarRank algorithm.

Top keywords by domain
Get all the keywords that earn the most clicks for a given domain/website.

Top SEO Competitors for a domain
Get top SEO competitors for a domain that ranks for the same keywords.

Get transactional keywords by topic
Get Transactional keywords that are closest in theme and category to an inputted search query.

Unique Visitors
Get the daily or monthly unique visitors to a domain on desktop devices.
What can SEO APIs be used for?
1. Keyword research: SEO APIs can be used to identify popular search terms and keywords, and to analyze the competition for those terms. 2, On-page optimization: SEO APIs can be used to analyze web pages and provide recommendations for improving page titles, meta descriptions, and other on-page elements. 3. Performance tracking: SEO APIs can be used to track website performance and search engine rankings over time. 4. Local SEO: SEO APIs can be used to analyze local search results and optimize for local search terms and queries. 5. Competitor analysis: SEO APIs can be used to analyze the search engine performance of competitors and identify opportunities for improvement.
What data can be accessed through SEO APIs?
Some of the most common data points include keyword data, such as search volume, competition, and suggested terms; on-page optimization data, such as title tags, meta descriptions, and header tags; backlink data, such as link quality, quantity, and anchor text; search engine ranking data, such as SERP positions and traffic estimates; local search data, such as business listings and reviews; and competitor data, such as rankings and backlink profiles.
Who uses SEO APIs
SEO APIs are used by various organizations and individuals, including digital marketers, SEO agencies, content creators, e-commerce businesses, and developers.