Top SEO - Website ranking keywords API alternatives in 2025

In the ever-evolving landscape of digital marketing, Search Engine Optimization (SEO) remains a critical component for businesses aiming to enhance their online visibility. As we look ahead to 2025, the demand for effective tools to analyze website ranking keywords is more pronounced than ever. While the SEO - Website Ranking Keywords API has been a popular choice, there are several alternatives that offer unique features and capabilities. This blog post will explore the best alternatives to the SEO - Website Ranking Keywords API, detailing their functionalities, pricing, pros and cons, ideal use cases, and how they differ from the original API.

1. Top Performing Keywords from Website API

The Top Performing Keywords from Website API is designed to help users discover a website's best-performing keywords. This API provides insights into keywords, country, rank, volume, and more, making it an essential tool for SEO professionals.

Key Features and Capabilities

One of the standout features of this API is the Get Keywords function. This feature allows users to retrieve the top-performing keywords for a specified domain. By inputting a domain name, users can access a wealth of data, including:

• Rank: The position of the keyword in search results.
• Search Volume: The average number of searches for the keyword.
• SEO Clicks: The estimated number of clicks generated from organic search results.
• Total Monthly Clicks: The total number of clicks received by the keyword each month.

This API is particularly useful for competitive analysis, allowing users to identify the top-performing keywords of their competitors and adjust their strategies accordingly.

Example Response

[
    {
        "countryCode": "us",
        "keyword": "best coffee",
        "topRankedUrl": "https://example.com/best-coffee",
        "rank": 1,
        "searchVolume": 50000,
        "seoClicks": 30000,
        "totalMonthlyClicks": 60000
    }
]

Pros and Cons

Pros: Provides detailed insights into keyword performance, ideal for competitor analysis.

Cons: Limited to the data of the specified domain, which may not provide a comprehensive view of the entire market.

Ideal Use Cases

This API is ideal for SEO professionals looking to optimize their content strategies based on the performance of specific keywords. It is also beneficial for businesses conducting competitive analysis to identify opportunities for improvement.

How It Differs from SEO - Website Ranking Keywords API

While both APIs provide keyword performance data, the Top Performing Keywords from Website API focuses more on the performance metrics of specific keywords rather than a broader analysis of keyword rankings across multiple domains.

2. SEO Competition Rating API

The SEO Competition Rating API is a powerful tool for assessing the competitiveness of keywords. This API helps users enhance their content optimization strategies by providing insights into keyword difficulty.

Key Features and Capabilities

The primary feature of this API is the Keyword Difficulty function. Users can input a keyword and a search engine (Google, Yahoo, Bing) to receive a difficulty score. This score indicates how challenging it would be to rank for that keyword based on various factors, including:

• Search Volume: The number of searches for the keyword.
• Competition Intensity: The level of competition for the keyword.
• Domain Authority: The authority of the domains currently ranking for the keyword.

This feature allows users to prioritize their keyword targeting effectively.

Example Response

{
    "date": "April 15, 2024",
    "keyword": "digital marketing",
    "search_engine": "google",
    "difficulty_level": "Moderate",
    "top_domains_ranked": [
        "hubspot.com",
        "neilpatel.com",
        "moz.com"
    ]
}

Pros and Cons

Pros: Provides actionable insights into keyword competitiveness, helping users make informed decisions.

Cons: The effectiveness of the analysis may vary based on the search engine selected.

Ideal Use Cases

This API is particularly useful for content creators and marketers who need to identify low-competition keywords to target in their SEO strategies.

How It Differs from SEO - Website Ranking Keywords API

Unlike the SEO - Website Ranking Keywords API, which focuses on keyword performance across domains, the SEO Competition Rating API emphasizes the competitiveness of specific keywords, making it a valuable tool for strategic keyword selection.

3. SEO Keyword Suggestions API

The SEO Keyword Suggestions API is designed to enhance SEO efforts by providing a wealth of keyword suggestions and related terms. This API is essential for users looking to optimize their content and boost website traffic.

Key Features and Capabilities

The Get Keywords feature allows users to collect keyword suggestions based on a specified keyword. This feature provides:

• Keyword Suggestions: A list of relevant keywords related to the input keyword.
• Relevancy: The relevance of each suggested keyword to the original keyword.
• Competition Levels: Insights into how competitive each keyword is.

This API is particularly useful for content strategists looking to expand their keyword lists and improve their SEO performance.

Example Response

{
    "status": "ok",
    "result": 1,
    "data": {
        "tool name": "Keyword suggestions",
        "data": [
            {"Keyword": "SEO tools", "Keyword type": "Primary", "Relevancy": "High"},
            {"Keyword": "SEO best practices", "Keyword type": "Primary", "Relevancy": "Medium"}
        ]
    }
}

Pros and Cons

Pros: Provides a comprehensive list of keyword suggestions, enhancing content strategies.

Cons: The effectiveness of suggestions may vary based on the input keyword.

Ideal Use Cases

This API is ideal for marketers and content creators looking to discover new keywords to target in their SEO campaigns.

How It Differs from SEO - Website Ranking Keywords API

While the SEO - Website Ranking Keywords API focuses on existing keyword performance, the SEO Keyword Suggestions API is geared towards generating new keyword ideas, making it a valuable tool for content expansion.

4. SERP Extractor API

The SERP Extractor API is designed to retrieve website search rankings and extract search results from various search engines. This API is crucial for users looking to monitor their website's performance in search results.

Key Features and Capabilities

The Search Ranking feature allows users to specify a keyword and retrieve the search ranking position of their website for that keyword. This feature provides:

• Total Results Count: The total number of search results for the specified keyword.
• Results: A list of URLs and snippets from the search results.

This API is particularly useful for SEO professionals who need to track their website's visibility and performance over time.

Example Response

{
    "status": "success",
    "total_Results_Count": "8290000000",
    "results": [
        {
            "url": "https://www.example.com",
            "title": "Example Title",
            "snippet": "This is an example snippet from the search results."
        }
    ]
}

Pros and Cons

Pros: Provides real-time insights into search rankings, allowing for timely adjustments to SEO strategies.

Cons: May require frequent updates to maintain accuracy in a rapidly changing search landscape.

Ideal Use Cases

This API is ideal for businesses and marketers who need to monitor their search rankings and adjust their strategies accordingly.

How It Differs from SEO - Website Ranking Keywords API

While the SEO - Website Ranking Keywords API provides keyword performance data, the SERP Extractor API focuses on real-time search rankings, making it a valuable tool for ongoing performance monitoring.

5. SEO Web Information API

The SEO Web Information API analyzes any website URL and generates a basic SEO audit report. This API is essential for users looking to improve their website's visibility and performance.

Key Features and Capabilities

The SEO Report feature allows users to input a URL and receive a comprehensive analysis of various SEO elements, including:

• Meta Tags: Insights into the effectiveness of title tags, meta descriptions, and keywords.
• Content Quality: Evaluation of the quality and relevance of the website's content.
• Link Evaluations: Analysis of internal and external links.

This API is particularly useful for website owners and SEO professionals looking to identify areas for improvement.

Example Response

{
    "success": true,
    "message": "Report Generated Successfully",
    "result": {
        "Input": {
            "URL": "https://example.com",
            "Input type": "Domain"
        },
        "http": {
            "status": 200,
            "using_https": true,
            "contentSize": {
                "bytes": 20631,
                "kb": 20.14
            }
        }
    }
}

Pros and Cons

Pros: Provides a comprehensive overview of a website's SEO health, helping users identify specific areas for improvement.

Cons: The depth of analysis may vary based on the complexity of the website.

Ideal Use Cases

This API is ideal for website owners and SEO professionals conducting audits to enhance their site's performance.

How It Differs from SEO - Website Ranking Keywords API

While the SEO - Website Ranking Keywords API focuses on keyword performance, the SEO Web Information API provides a broader analysis of overall website health, making it a valuable tool for comprehensive SEO audits.

6. URL SEO Analyzer API

The URL SEO Analyzer API analyzes URLs to provide SEO audit reports, helping users optimize their website visibility and search engine rankings.

Key Features and Capabilities

The SEO Report feature allows users to input a URL and receive detailed insights into various SEO attributes, including:

• On-Page SEO Elements: Analysis of meta tags, headings, and content quality.
• Off-Page Factors: Evaluation of backlinks and external linking strategies.
• HTTP Response Details: Information on status codes and content size.

This API is particularly useful for users looking to enhance their website's SEO readiness.

Example Response

{
    "success": true,
    "message": "Report Generated Successfully",
    "result": {
        "Input": {
            "URL": "https://example.com",
            "Input type": "Domain"
        },
        "score": "75.00",
        "seo_factors": {
            "status": "Pass",
            "using_https": "Pass",
            "meta_description": "Pass",
            "images_alt_tags": "Fail"
        }
    }
}

Pros and Cons

Pros: Provides a thorough analysis of SEO factors, helping users identify strengths and weaknesses.

Cons: The effectiveness of the analysis may depend on the accuracy of the input URL.

Ideal Use Cases

This API is ideal for marketers and website owners looking to conduct detailed SEO audits to improve their site's performance.

How It Differs from SEO - Website Ranking Keywords API

While the SEO - Website Ranking Keywords API focuses on keyword performance, the URL SEO Analyzer API provides a detailed analysis of individual URLs, making it a valuable tool for optimizing specific pages.

7. Keyword Optimization API

The Keyword Optimization API offers a valuable tool for generating keywords, empowering users to enhance their SEO and content strategies effectively.

Key Features and Capabilities

The Generate Keywords feature allows users to input a topic and receive a list of relevant keywords. This feature provides:

• Keyword Suggestions: A list of keywords generated based on the input topic.
• Contextual Relevance: Keywords are tailored to the user's specific needs and interests.

This API is particularly useful for content creators looking to expand their keyword lists and improve their SEO strategies.

Example Response

{
    "status": true,
    "data": [
        "keyword research",
        "SEO optimization",
        "content marketing"
    ],
    "message": null
}

Pros and Cons

Pros: Provides tailored keyword suggestions, enhancing content strategies.

Cons: The effectiveness of suggestions may vary based on the input topic.

Ideal Use Cases

This API is ideal for marketers and content creators looking to discover new keywords to target in their SEO campaigns.

How It Differs from SEO - Website Ranking Keywords API

While the SEO - Website Ranking Keywords API focuses on existing keyword performance, the Keyword Optimization API is geared towards generating new keyword ideas, making it a valuable tool for content expansion.

8. SEO Difficulty Rating API

The SEO Difficulty Rating API helps users analyze the competitiveness of keywords for search engine optimization. This API is crucial for identifying relevant keywords that can enhance content strategies.

Key Features and Capabilities

The Keyword Difficulty feature allows users to input a keyword and a search engine to receive a difficulty score. This score indicates how challenging it would be to rank for that keyword based on various factors, including:

• Search Volume: The number of searches for the keyword.
• Competition Level: The intensity of competition for the keyword.
• Top Domains: A list of domains currently ranking for the keyword.

This feature allows users to prioritize their keyword targeting effectively.

Example Response

{
    "date": "March 18, 2024",
    "keyword": "artificial intelligence",
    "search_engine": "google",
    "difficulty_level": "Difficult",
    "top_domains_ranked": [
        "wikipedia.org",
        "forbes.com",
        "techcrunch.com"
    ]
}

Pros and Cons

Pros: Provides actionable insights into keyword competitiveness, helping users make informed decisions.

Cons: The effectiveness of the analysis may vary based on the search engine selected.

Ideal Use Cases

This API is particularly useful for content creators and marketers who need to identify low-competition keywords to target in their SEO strategies.

How It Differs from SEO - Website Ranking Keywords API

Unlike the SEO - Website Ranking Keywords API, which focuses on keyword performance across domains, the SEO Difficulty Rating API emphasizes the competitiveness of specific keywords, making it a valuable tool for strategic keyword selection.

9. Google SERP API

The Google SERP API provides data on search engine results, allowing users to gain insight into effective SEO strategies. This API is essential for users looking to harness the power of search engine optimization.

Key Features and Capabilities

The SERP feature allows users to input a keyword and retrieve essential data about organic search results, including:

• Keyword Ranking: The position of the keyword in search results.
• SERP Presence: Insights into the visibility of the website in search results.
• Competitor Analysis: Information on competitors ranking for the same keyword.

This API is particularly useful for businesses looking to monitor their online visibility and adjust their SEO strategies accordingly.

Example Response

[
    {
        "SERP Analysis": [
            {
                "description": "Discover the latest trends in artificial intelligence.",
                "domain_authority": "100",
                "page_authority": "29",
                "position": "1",
                "title": "Artificial Intelligence - Overview",
                "url": "https://www.example.com/ai-overview"
            }
        ]
    }
]

Pros and Cons

Pros: Provides real-time insights into search rankings, allowing for timely adjustments to SEO strategies.

Cons: May require frequent updates to maintain accuracy in a rapidly changing search landscape.

Ideal Use Cases

This API is ideal for businesses and marketers who need to monitor their search rankings and adjust their strategies accordingly.

How It Differs from SEO - Website Ranking Keywords API

While the SEO - Website Ranking Keywords API provides keyword performance data, the Google SERP API focuses on real-time search rankings, making it a valuable tool for ongoing performance monitoring.

Conclusion

As we move into 2025, the landscape of SEO tools continues to evolve, offering a variety of APIs that cater to different needs. Each of the alternatives discussed—such as the Top Performing Keywords from Website API, SEO Competition Rating API, SEO Keyword Suggestions API, SERP Extractor API, SEO Web Information API, URL SEO Analyzer API, Keyword Optimization API, SEO Difficulty Rating API, and Google SERP API—offers unique features that can enhance your SEO strategies. Depending on your specific needs—whether it's keyword performance analysis, competitive insights, or comprehensive SEO audits—there's an API that can help you achieve your goals. By leveraging these tools, you can stay ahead of the competition and optimize your online presence effectively.