SEO PowerSuite
by SEO PowerSuiteIt suits users seeking keyword research, rank tracking, site audits, backlink analysis, and competitor research in one suite.
Free plan Free trial From $349 a year WindowsMacLinuxAPI
Best SEO APIs 2026
Facts read 20 Sep 2026 – 5 Nov 2026
SEO APIs and companion tools let software and browser processes work with search positions, backlinks, keywords, domains and past data. Developers, site owners and SEO teams can use this list to review access, pricing, limits and formats for API, web, extension, macOS, Linux and Windows offerings.
The standings: top 10
| Name | In a line | Record score | Price from | Try it free | Runs on | Facts read |
|---|---|---|---|---|---|---|
| 01 SEO PowerSuite | It suits users seeking keyword research, rank tracking, site audits, backlink analysis, and competitor research in one suite. | 5.8 | $349 a year | Free plan | Windows, Mac, Linux, API | 15 Oct 2026 |
| 02 Keyword Discovery | It is intended for people doing SEO, PPC campaign planning, niche marketing, or domain parking. | 5.2 | $499.95 a year | Free plan | Web, API | 5 Oct 2026 |
| 03 Semust API | It suits developers seeking search and keyword data through an API, as well as content creators and people working to grow income through organic search. | 5.2 | $19 a month | Free plan | Web, Browser extension, API | 5 Oct 2026 |
| 04 Ahrefs | It suits people and teams working on SEO research, site audits, backlinks or competitor analysis. | 5.1 | $29 a month | Free plan | Web, API | 27 Sep 2026 |
| 05 Keyword Tool | Keyword Tool may suit solo marketers, SEO and content professionals, PPC managers, in-house teams, growing businesses, and agencies. | 5.1 | $68 a month | Free plan | Web, API | 3 Oct 2026 |
| 06 SpyFu | SpyFu suits people researching SEO, paid search, keywords, and competitors, as well as teams that need recurring reports or data exports. | 5.1 | $29 a month, billed yearly | Free plan | Web, API | 28 Sep 2026 |
| 07 seofetch | 5.0 | Free plan | Free plan | Web, API | 8 Oct 2026 | |
| 08 DataForSEO SERP API | 4.9 | — | Free trial | Web, API | 3 Oct 2026 | |
| 09 GeoRanker | 4.9 | $99 a month | Free trial | Web, API | 7 Oct 2026 | |
| 10 LinkResearchTools | 4.9 | $17 a month | Free trial | Web, Browser extension | 7 Oct 2026 |
The list is ordered by newest release first. It uses figures makers publish and does not score the tools.
02
Keyword Discovery
It is intended for people doing SEO, PPC campaign planning, niche marketing, or domain parking.
WebAPI Record5.2 Visit
03
Semust API
It suits developers seeking search and keyword data through an API, as well as content creators and people working to grow income through organic search.
WebBrowser extensionAPI Record5.2 Visit
04
Ahrefs
It suits people and teams working on SEO research, site audits, backlinks or competitor analysis.
WebAPI Record5.1 Visit
05
Keyword Tool
Keyword Tool may suit solo marketers, SEO and content professionals, PPC managers, in-house teams, growing businesses, and agencies.
WebAPI Record5.1 Visit
6
SpyFu
WebAPI $29 a month, billed yearly Record5.1 Visit SpyFu suits people researching SEO, paid search, keywords, and competitors, as well as teams that need recurring reports or data exports.
16
Google Search Console
WebAPI Free plan Record4.4 Visit Search Console suits business owners, SEO specialists and marketers, site administrators, and web developers who manage a site's Google Search presence.
Before you choose
Match the access method to your workflow
Identify whether each tool is available through an API, web interface, extension, macOS, Linux or Windows. Choose the access method that fits the software or device you plan to use.
Review free options and entry pricing
Pricing fields can show a free plan, a free trial or a paid starting price. Review the listed terms before choosing a tool for ongoing work.
Paid starting figures on the list include $10, $0.02, $99 per month, $49.95 per month, $68 per month and $599 per month.
Compare the data fields
Review rankings, backlink, keyword, domain and historical-data fields in the comparison. Match the fields to the information your workflow needs.
Review limits and API format
Rate limit affects how requests are handled. API format affects how responses fit your software, so check both fields before integrating a tool.
Read the tool's terms
If you need to read or change code, check the tool's licence. Review pricing and trial terms as they appear for the entry you are considering.
Questions
What data can SEO APIs cover?
Use the comparison to review rankings, backlinks, keywords, domains and historical data.
Can I try an SEO API for free?
Listings may show a free plan or a free trial. Check the pricing fields for the tool you are considering.
Which platforms do these tools support?
The entries cover API, web, extension, macOS, Linux and Windows platforms.
Why compare rate limits?
Rate limit is a comparison field that can affect how your requests are handled. Check it against your workflow.
Why does API format matter?
API format affects how responses fit your software. Review the format listed for the tool before integration.
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