Search Engine Optimization (SEO) is the use of various techniques and strategies to increase the online visibility of a web page or a website by ensuring that it ranks high on the list of results generated by a search engine.
There are a wide range of tools that can assist in supercharging your SEO efforts and ensuring your site ranks high on a search engine results. Better still, some of these SEO tools have exposed their Application Programming Interfaces (APIs) to allow developers to integrate their functionalities into applications.
To assist you in making the best decision on the suitable APIs you can use, we reviewed several SEO APIs based on the following three main criteria:
- API features: We assessed the outstanding features that make each of the APIs appropriate for performing SEO analysis.
- Pricing: We examined the cost of using each of the APIs.
- Ease of use: We looked at the ease of embedding each of the APIs into applications.
Eventually, we came up with the following list of top 10 best SEO APIs.
- Alexa API
- Moz API
- SEMRush API
- Ahrefs API
- Search Console API
- Keyword Tool API
- SEM Keywords Stats API
- SEO Checker API
- DataForSEO API
- SEO Extraction API
Top 10 Best SEO APIs
TL;DR: Here’s a table summarizing our main findings:
|API Features||Pricing||Ease of Use|
|Alexa API||Get website traffic data, list external links, website popularity, number of views||Free and pay-as-you-go pricing from $0.00045 per request||Easy|
|Moz API||Perform web page optimization, website auditing and crawling, keyword research, rank tracking, link building||Free and varying paid plans from $250 per month||Easy|
|SEMRush API||Perform keyword research, competitive analysis, backlink analysis, track ranking, identify advertising opportunities||$399.95 per month||Easy|
|Ahrefs API||Perform backlink research, competitive analysis, rank tracking, keyword research, content research, web monitoring||Varying paid plans||Easy|
|Search Console API||Monitor site’s performance, list verified sites, add and remove sites, manage sitemaps, view crawl errors||Free||Easy|
|Keyword Tool API||Assess keyword rankings, PPC data performance, organic rankings of different types of content, perform backlink and competitive research||Free and varying paid plans||Easy|
|SEM Keywords Stats API||Get monthly search volume, keyword rankings, CPC rates||Free and varying paid plans from $9.99 per month||Easy|
|SEO Checker API||Analyze texts for SEO validity, get tips for improving the content||Free||Easy|
|DataForSEO API||Track keyword positions, retrieve top 100 results for any keyword, get search volume data||Free and pay per use pricing||Easy|
|SEO Extraction API||Extract various SEO tags, including title, links, headlines, and description||Free and a paid plan at $5 per month||Easy|
1. Alexa API
Alexa is an Amazon-owned service that utilizes web traffic data and visitor engagement metrics to rank websites according to their popularity, with a ranking of 1 being the most popular website on the Internet. Amazon offers the Alexa Web Services platform that allows developers to access Alexa’s extensive repository of data about the web and incorporate them into their work environments.
API features: The Alexa Web Services platform offers two types of APIs: the Alexa Web Information Service (AWIS) API and the Alexa Top Sites API. The AWIS API allows you to collect information about the traffic data of websites, access the list of websites linking to any website, and get other useful data. The Alexa Top Sites API allows you to access the list of websites ranked by Alexa according to their popularity. It also returns information about the number of views a website receives and the percentage of users visiting the website.
Pricing: You can make up to 1,000 free requests per month with the AWIS API. Thereafter, additional requests will be charged at $0.00045 per request (for less than one million requests per month) and at $0.00030 per request (for over one million requests per month). The Alexa Top Sites API is charged at $0.0025 per every URL returned.
Ease of use: The Alexa API has comprehensive documentation that makes it easy to use. Furthermore, Amazon has a vibrant community of developers who can help you with any integration challenges.
2. Moz API
Moz is a software company that provides a wide range of SEO tools to assist users in gaining deeper visibility on their search engine ranking positions and enhancing their online presence.
API features: The Moz API, also called the Mozscape API, lets you access the Moz platform’s data and build innovative SEO experiences. You can use the API to create tools for performing web page optimization, website auditing and crawling, keyword research, rank tracking, link building, and more.
Pricing: You can use the API for free, but you’ll be limited to a single request per ten seconds, for up to 25,000 rows every month. To increase the limits, you can go for any of its paid plans, which begins from $250 per month to more than $10,000 per month.
Ease of use: Moz offers detailed and easy to follow documentation to assist you in getting up and running with the API within a few minutes.
3. SEMRush API
SEMRush is a platform that provides users with a rich set of subscription-based tools to manage their online visibility and improve their Internet marketing efforts.
API features: The SEMRush API enables developers to extract automated data from the SEMRush platform and extend the capabilities of their applications. With the API, you can perform keyword research, evaluate the performance of your competitors, track historical and current rankings, identify better advertising opportunities, carry out backlink analysis, and complete other SEO tasks.
Pricing: SEMRush provides its API only to subscribers to the Business plan, which is priced at $399.95 per month.
Ease of use: SEMRush offers extensive documentation that is full of code samples on how to get started using the API fast and flawlessly.
4. Ahrefs API
Ahrefs is a platform that offers a comprehensive collection of tools and resources to help users take their SEO marketing efforts to the next level.
API features: The Ahrefs API provides you with capabilities to tap into the extensive database of Ahrefs data and unlock its full potential. With the API, you can build applications capable of performing backlink research, competitive analysis, rank tracking, keyword research, content research, web monitoring, and several other SEO tasks.
Pricing: If you subscribe to any of the Ahrefs paid plans, which starts from $99 to $999 per month, you’ll be granted free API access. For more extensive usage, you can go for any of the API subscriptions plans, which are charged monthly from $500 to $10,000.
Ease of use: Ahrefs offers comprehensive documentation, guides, and sample codes on how to leverage its data to create useful applications.
Google Search Console is a service that Google provides to enable webmasters to verify the indexing status of their websites, enhance visibility, fix issues, and ensure the sites’ optimal performance in the search results.
API features: The Google Search Console API provides you with programmatic access to Google’s servers so that you can monitor the performance of your website in Google Search and take appropriate corrective action. With the API, you can list verified sites, add sites, remove sites, manage sitemaps, view crawl errors, and query search analytics data.
Pricing: The REST/JSON-RPC API service is offered for free.
Ease of use: Google offers detailed language-specific documentation and quick start tutorials to assist developers in implementing the API with minimal hurdles.
The Keyword Tool API by Authoritas allows you to analyze your Search Engine Results Pages (SERPs) data and accelerate your organic search performance.
API features: With the Keyword Tool API, you can assess keyword rankings, PPC data performance, and organic search rankings of various types of content such as images, news, related searches, Tweets, places, and videos. Furthermore, you can use the API to perform competitive research, backlink analysis, and other SEO tasks. Authoritas also offers the Platform API that allows you to add and edit your websites on its platform, enabling you to find SEO problems and perform site auditing easily.
Pricing: Authoritas offers a demo version for trying out the API for free. The paid plans are priced depending on each use case.
Ease of use: Authoritas provides well-explained documentation and customer support on how to use its API; therefore, it is easy to use.
The SEM Keyword Stats API lets you produce various search engine marketing (SEM) and SEO statistics and achieve maximum online visibility.
API features: The API comes with endpoints for enabling you to retrieve monthly search volume, keyword rankings, and cost-per-click (CPC) rates.
Pricing: As long as you make less than 50 requests per month, you’ll not incur any costs using the SEM Keywords Stats API. To access higher limits, you’ll need to go for any of the paid plans, which starts from $9.99 per month to more than $99.99 per month.
Ease of use: There is simple documentation on how to get started implementing the API without many hassles.
The SEO Checker API enables you to analyze texts for their SEO validity and ability to rank high on the search engine results.
API features: With the SEO Checker API, you can analyze articles and check whether they can rank high on the search engine results. Furthermore, the API provides you with tips on how to improve an article’s content and ensure it shines in the search engines.
Pricing: The SEO Checker API is offered for free.
Ease of use: There is simple documentation to assist you in integrating the API quickly and comfortably.
DataForSEO is a company that provides a comprehensive suite of APIs to assist marketers and individuals collect the SEO data they require for solidifying their online presence.
API features: The DataForSEO API allows developers to leverage the company’s services and create useful SEO tools. For example, you can use its Rank Tracker API to track the positions of your selected keywords in the most popular search engines, the SERP API to retrieve structured data of the top 100 results for any keyword in the search engines, and the Keyword Data API to retrieve the search volume and competition data for any keywords.
Pricing: DataForSEO employs a predictable, pay per use pricing model. After making payment, you’ll be assigned credits, which you can use to access any of its APIs. Each API is priced differently. For instance, the Rank Tracker API requires one credit for each request while the Keyword Data API requires five credits for each request. There is also a free trial period, which is not limited in time, for testing the APIs.
Ease of use: DataForSEO offers extensive documentation that can help you make the most of the APIs without experiencing many obstacles.
The SEO Extraction API enables you to extract some useful SEO data from web pages, just as the name suggests.
API features: With the SEO Extraction API, you can pull out the most important SEO tags from a web page and use them for performing analysis. The API extracts title tags, links, page descriptions, and headline tags such as H1, H2, and H3.
Pricing: You can use the API for free for making the first 5,000 requests per month. Thereafter, you can opt for the paid plan, which goes for $5 per month.
Ease of use: There is simple documentation you can use to incorporate the API into your application within a few minutes.
That’s Rakuten RapidAPI’s list of top 10 best SEO APIs. You can click here to get other wonderful SEO APIs to embed into your application. We hope you’ll find an API that will assist you to develop useful strategies for enhancing the online visibility of your websites or web pages.
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