Best Ahrefs Competitors for SEO Data in 2026

TL;DR: What Is The Best Alternative to the Ahrefs API?

With the SE Ranking API, businesses can extend their SEO capabilities beyond the platform’s interface. The API enables access to ranking data, keyword metrics, and SERP insights in a format suited for automation and reporting. Its straightforward structure reduces development time while still covering the most common SEO data needs.

Ahrefs changed their credit system and many SEO professionals felt the burn. You are likely here because your scripts are timing out or the monthly bill looks like a mortgage payment. Finding a solid Ahrefs API alternative requires looking at data depth, endpoint reliability, and cost per thousand requests.

Our study included the best candidates based on their database sizes and the level of API documentation. This guide breaks down the technical specs of each alternative to Ahrefs API so you can switch without breaking your internal dashboards.

Comparison Table: Ahrefs API Alternatives

SE Ranking API 

SE Ranking has grown into a formidable Ahrefs API competitor by focusing on accuracy across niche geographic regions. Their API provides access to a massive 2.7 trillion backlink index. Our analysts think their local tracking is actually more precise than many higher priced tools. If you manage clients in multiple countries, this is likely the best Ahrefs API alternative for your stack.

What are the key features of SE Ranking API?

• Rank Tracking API: Get daily ranking information for any geographical area, including zip codes.
• Backlink API: Accesses data on referring domains, anchor text, and lost/won links.
• Keyword Research API: Returns search volume, difficulty as well as CPC for 188 countries.
• On-Page Audit API: Programmatically checks for technical errors on specific URLs.
• Competitor Analysis: Scrapes organic and paid rankings of any domain.

What are the pros and cons of SE Ranking API?

What is the pricing of SE Ranking API?

• SE Ranking API: from $318.00/mo on annual billing only for analyzing 24M backlinks / 240K domains / 30K AI Search queries & more.
• API Access Add-on: $159.00 per month for 1 million credits.
• Core Plan: $103.20/month on annual billing for 2,000 keywords and 10 projects.
• Growth Plan: $223.20/month on annual billing for 5,000 keywords and 30 projects.
• Agency Pack: A $69/month add-on for white-labeling as well as automated reporting.
• Content Marketing: Add-on starting at $23.20/month for AI content generation tools.
• Weekly Tracking Discount: Reducing frequency to once a week can save up to 40% on base prices.

SE Ranking provides two distinct APIs: the Data API, which uses a pay‑as‑you‑go credit system for raw data retrieval, and the Project API, which uses your subscription limits for project management functionality.

Zenserp 

Zenserp is a specialized Ahrefs API alternative that focuses strictly on scraping search engine result pages. It does one thing and does it fast. Many developers prefer it because the JSON response is extremely clean. It handles the proxies and captchas for you. Maybe you don't need a full SEO suite and just want to know where a site ranks.

What are the key features of Zenserp?

• Google Search API: Supports web as well as images, maps, and news searches.
• Location Spoofing: Precisely targets results based on city as well as
• Batch Processing: Has the tendency to allow for high-volume queries without latency.
• JSON/Markdown Output: Direct integration into LLMs or databases.
• Reverse Search: Finds specific domains within the top 100 results.

What are the pros and cons of Zenserp?

What is the pricing of Zenserp?

• Free Plan: 50 API requests per month at no cost.
• Small Plan: $49.99/month for 25,000 searches.
• Medium Plan: $149.99/month for 100,000 searches with personal support.
• Large Plan: $299.99/month for 250,000 searches including a service level agreement.
• Premium Plan: $499/month for 500,000 searches as well as custom queue access.
• Enterprise: $899/month for 1,000,000 searches.

Semrush API 

Semrush is the most direct Ahrefs API competitor on the market today. They offer a massive database of 28 billion keywords. While expensive, their API is incredibly deep. We think it is the best Ahrefs API competitor for enterprise level data extraction. If you need data on what competitors are spending on ads alongside organic data, this is the tool.

What are the key features of Semrush API?

• Domain Analytics: Massive historical data for traffic and keyword trends.
• Backlink Analytics: 43 trillion link index (rivals Ahrefs).
• Keyword Research: API access to the Keyword Magic Tool.
• Position Tracking: Real-time updates for tracked keyword lists.
• Traffic Analytics: Market-level data on total visits as well as bounce rates.

What are the pros and cons of Semrush API?

What is the pricing of Semrush API?

• Pro Plan: No API ($139.95/mo).
• Guru Plan: No API ($249.95/mo).
• Business Plan: Includes API access ($499.95/mo).
• Custom: Negotiable for high-volume users.

SearchApi 

SearchApi is the next-generation solution compared to Ahrefs API for developers requiring data in a structured format for their AI systems. It scrapes the web search engines like Google in real time. It is one of the best Ahrefs API alternatives for those building RAG (Retrieval-Augmented Generation) systems. The support for news as well as jobs makes it versatile.

What are the key features of SearchApi?

• Google Lens/Images API: Scrapes visual search results.
• Real-time Scraping: No cached data, you get exactly what is live.
• Multi-Engine Support: Scrapes Bing, DuckDuckGo, and YouTube.
• Structured Metadata: Returns rich snippets, reviews, and FAQ data.
• High Concurrency: Handles thousands of requests per minute easily.

What are the pros and cons of SearchApi?

What is the pricing of SearchApi?

• Developer: $40/month for 10,000 searches.
• Production: $100/month for 35,000 searches.
• BigData and Scale plans up to 250K+ searches.
• Costs drop to $2-4 per 1,000 searches at volume.
• 100 free requests on signup.

Moz API 

Moz is often overlooked but it remains a strong Ahrefs API competitor. Their Link Explorer is famous for the Domain Authority metric. If your primary goal is assessing the quality of backlink profiles, this is a top alternative to Ahrefs API. The API is surprisingly affordable compared to Semrush.

What are the key features of Moz API?

• Link Metrics API: Provides DA, PA, and Spam Score for any URL.
• Anchor Text API: Detailed reports on how sites are linking to you.
• Top Pages: Identifies which pages on a domain have the most link equity.
• Ranking API: Historical tracking for specific keyword sets.
• Brand Authority: A newer metric for measuring brand influence.

What are the pros and cons of Moz API?

What is the pricing of Moz API?

• Free Tier: 50 rows per month with a restrictive rate limit.
• Starter Plan: From $20/month for 3,000 rows to $75/month for 15,000 rows.
• Growth Plan: From $125/month for 50,000 rows to $500/month for 500,000 rows.
• Advanced Plan: $2,000/month for 4 million rows, ideal for custom tool builders.
• Enterprise Plan: $10,000/month for 40 million rows for commercial products.
• Overage Fees: Ranging from $3.50 to $25 per 10,000 additional rows.

Serper.dev 

If you are looking for the best Ahrefs API alternative in terms of raw cost efficiency, Serper.dev is the winner. It is a no-frills Google Search API. It is incredibly fast. Most requests finish in under one second. It is the best Ahrefs API competitor for startups on a tight budget.

What are the key features of Serper.dev?

• Instant Results: No caching, providing live SERP data.
• Multiple Search Types: Web, Maps, Images, and Places.
• Simple REST API: Can be implemented in minutes.
• Usage-Based Pricing: No monthly commitments or contracts.
• Search Operators: Full support for complex Google queries.

What are the pros and cons of Serper.dev?

• Pro: Only $1 per 1,000 requests at the standard tier.
• Pro: No monthly subscription required; just buy credits.
• Pro: Extremely low latency.
• Con: No backlink or keyword difficulty data.
• Con: Documentation is sparse compared to enterprise tools.
• Con: Credits do expire after a few months.

What is the pricing of Serper.dev?

• Free Plan: 2,500 queries available for testing at no cost.
• Starter Batch: $50 for 50,000 credits, which is $1.00 per 1,000 requests.
• Standard Batch: $375 for 500,000 credits, roughly $0.75 per 1,000 requests.
• Scale Batch: $1,250 for 2.5 million credits, or $0.50 per 1,000 requests.
• Ultimate Batch: $3,750 for 12.5 million credits, reaching $0.30 per 1,000 requests.
• Credit Validity: Depending on the plan, the validity period is between six and twelve months.

How to choose the best Ahrefs API alternatives?

The choice of the appropriate tool fully depends on your particular requirements regarding the data. Not all Ahrefs API competitors perform the same function. If your main concern is link building, you need a tool with a massive crawler. Moz or Semrush are the primary choices here. On the flip side, if you are building a custom rank tracker, paying for a link index is a waste of money. In that case, an alternative to Ahrefs API like Zenserp or Serper.dev is better.

We suggest looking at three main factors

1. Data Freshness: How often does the tool crawl? Ahrefs is fast, so your best Ahrefs API alternative needs to keep up.
2. Cost Per Request: Calculate your monthly volume. Some tools look cheap until you scale to 100,000 requests.
3. Endpoint Diversity: Do you just need rank tracking or also keyword difficulty and search volume?

According to our analysts, the biggest mistake SEO experts make is buying a full suite when they only need one endpoint. If you only use the "Backlinks" endpoint, stop paying $400 for a tool that includes a site auditor and a content calendar. You can find a much more focused best Ahrefs API competitor that saves you thousands annually.

Final Thoughts

The search for a reliable Ahrefs API alternative has never been more active. As Ahrefs continues to push its credit-based model, these competitors are gaining ground. SE Ranking offers the best balance for SEO agencies and freelancers. Serper.dev is the king of low-cost SERP scraping. Semrush remains the powerhouse for those with deep pockets.

Don't feel locked into one ecosystem. Many modern SEO stacks use a combination of tools. Maybe you use Moz for DA metrics but Serper.dev for actual ranking checks. This hybrid approach often results in better data at a lower cost. Each alternative to Ahrefs API we covered has a free tier or a cheap trial. Test them out. See which JSON response fits your workflow best.

Choosing the best Ahrefs API alternative isn't about finding a clone. It's about finding the tool that solves your specific bottleneck without the extra baggage.

FAQ

Which Ahrefs API alternative is best for backlink data?

It is either Semrush or SE Ranking. Semrush boasts an impressive 43 trillion links index, whereas SE Ranking provides an impressive 2.7 trillion links index at a much cheaper cost.

Can I get a free alternative to Ahrefs API?

Most services such as Zenserp and SearchApi provide a free trial of sorts but charge you for anything above that. The cheapest service by far is Serper.dev, costing around $1 per 1,000 searches.

Does any of these Ahrefs API alternatives offer keyword difficulty?

Yes, SE Ranking, Semrush, and Moz offer proprietary keyword difficulties (KD). Zenserp, a SERP API provider, usually does not offer difficulty scores.

Which tool is the best Ahrefs API competitor for AI agents?

SearchApi and Serper.dev are two top tools that should be considered by AI and LLM engineers. These APIs have the tendency to deliver well-structured JSON data that is easily processed by AI models such as GPT-4. SE Ranking API can also be used.

How do I migrate from Ahrefs API to another provider?

Almost all of these software have REST APIs. You simply have to change the API endpoint URL and then match the JSON fields to your existing database schema.

What is the best alternative to Ahrefs API?

If you need massive backlink data, go with Semrush or SE Ranking. For pure SERP scraping at high speed, Serper.dev and SearchApi are the winners. Moz remains the gold standard for authority metrics. Each Ahrefs API competitor listed offers a specific advantage in either price or data granularity.