17.7
SEO PowerSuite is a freemium SEO software suite from a maker founded in 2004 and headquartered in Nicosia, Cyprus.
Free planAPILinuxmacOS
Best SEO APIs in 2026
27.6
Ahrefs is a web-based SEO platform for keyword research, rank tracking, site audits, backlink analysis, and competitor research.
Free planWebAPI
37.3
Semrush provides marketing toolkits and standalone apps, with capabilities for keyword research, rank tracking, site audits, backlink analysis, and competitor research.
Free planAPI
- 4
Keyword Tool
Keyword Tool generates long-tail keyword suggestions from autocomplete when given a seed term.
Free planWebAPI7.0From $68 a month - 5
SpyFu
WebAPI6.8From $29 a month - 6
Keyword Discovery
Keyword Discovery compiles search statistics and phrases people use to find products and services, including terms that bring traffic to competitors.
Free planWebAPI6.7From $499.95 a year - 7
LinkResearchTools
WebExtension6.7From $17 a month - 8
SISTRIX
SISTRIX provides software and data for analysing visibility on Google, AI search platforms and Amazon.
WebAPI6.7From €119 a month - 9
Semust API
Semust API provides search and keyword data as part of Semust, an AI-powered marketing and SEO platform.
Free planWebAPIExtension6.6From $19 a month - 10
DataForSEO SERP API
DataForSEO SERP API supplies search-engine results for selected keywords, engines, languages, and locations through a REST API.
Free planWebAPI6.5Free plan - 11
GeoRanker
GeoRanker is a web and API data-mining platform for search engines and public websites.
WebAPI6.5From $99 a month - 12
Google Search Console
Google Search Console helps site owners monitor how their sites appear in Google Search and address crawling, indexing, and other site issues.
Free planWebAPI6.4Free plan - 13
SEOmonitor
WebAPI6.4From €25 a month - 14
DataForSEO Labs API
Free planWebAPI6.3Free plan - 15
Ranked AI API
WebAPI6.2From $99 a month - 16
BrightEdge
BrightEdge is an enterprise SEO and AI search platform for teams seeking visibility across Google and AI search.
WebAPI5.9 - 17
seofetch
WebAPI5.9 - 18
backlinks.sh
WebAPI5.8 - 19
Serpstat
API5.8From $50 a month - 20
SE Ranking
API5.7From $129 a month - 21
Keyword.com
API5.6From $3 a month - 22
Newinterval
API5.6From $20 a month - 23
Majestic
Majestic is an SEO research service from Majestic, founded in 2008 and headquartered in Birmingham, England.
API5.2 - 24
SEO API
API5.1 - 254.6