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PDF Generator API VS Serpstat

Compare PDF Generator API VS Serpstat and see what are their differences

PDF Generator API

PDF generation API that turns your JSON data into documents from templates built with AI or a drag-and-drop editor, which your users can edit inside your app through a white-label embedded editor.

Rating
5.0 · 1 review
Pricing
Paid Free trial €8 / Monthly
Alternatives Is it good?
Serpstat

Serpstat is the Swiss army knife for automating SEO processes. With a suite of powerful modules, you can track your performance, analyze your competitors, research keywords and backlinks, audit your website, and so much more.

Rating
0 reviews
Pricing
Freemium Free trial $69 / Monthly
Alternatives Is it good?
happySEO
Create ai humanized SEO content tailored for ecommerce and small businesses with HappySEO tools. From ai writer to keyword research and analyze tools. sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Serpstat seems to be more popular. It has been mentioned 5 times since March 2021.

social mentions
0 vs 5
Document Automation popularity
100% vs 0%
alternatives listed
62 vs 240+

Base details

Website, pricing, platforms and company facts side by side.

PDF Generator API
Serpstat
Website pdfgeneratorapi.com serpstat.com
Pricing
Paid Free trial €8 / Monthly Official pricing
Freemium Free trial $69 / Monthly Official pricing
Company 2012 Startup from Ukraine · 50 - 99 employees · 2015
Listed in
PDF PDF Tools PDF Creator PDF Editor HTML To PDF PDF Conversion API +3
SEO SEO Tools Content Marketing Keyword Research +1

About PDF Generator API and Serpstat

In their own words, as submitted to SaaSHub.

PDF Generator API
Serpstat

PDF Generator API turns your JSON data into PDF documents from reusable templates. Design a template once, call the REST API and get pixel-perfect invoices, packing slips, contracts, certificates, statements and reports back, one at a time or in batches. Build templates your way. Describe the...

Read more about PDF Generator API

Dive deep into keyword research with Serpstat's keyword database, now bigger than ever with global coverage across 230 regions. Uncover the most valuable keywords for your business, understand search intent,  and optimize your content strategy

Read more about Serpstat

Features and specs

What each product offers, as listed by its team.

PDF Generator API 10 features
Serpstat 6 features
  • AI Builder
    Create your template with single prompt with our new AI template builder
  • Users can edit and manage document templates
    We provide a workspace logic that allows creating a separate workspace for each of your users where they can store and manage document templates.
  • Allow your users to edit document templates
    You can embed the document template editor into your application to allow your users to modify their own PDF templates.
  • Powerful Expression language
    You can write mathematical and logical expressions to manipulate and customize values displayed in components.
  • Share document templates with your users
    You can set up default document templates that can be used as base templates by your users.
  • A wide range of smart components
    You can use different components like Text, Table and Barcode and define the formatting for number and date values.
  • Merge PDF template and data via API
    Powerful Web API to merge templates with data from your software.
  • Data Security
    GDPR Compliance, ISO 27001, HIPAA
  • Convert HTML to PDF
    Leverage our scalable html to pdf conversion functionality in order to focus all your development time on your core functionality.
  • PDF Forms
    You can collect data through fully customizable online forms and automatically generate PDFs using your existing templates. No coding required.
  • Comprehensive SEO Toolkit
    Serpstat provides a wide range of SEO tools including keyword research, site audit, backlink analysis, rank tracking, and competition analysis, making it a one-stop solution for SEO needs.
  • User-Friendly Interface
    The platform features a well-organized and intuitive interface, making it accessible and easy to navigate even for beginners.
  • Affordable Pricing
    Compared to other SEO tools in the market, Serpstat is relatively affordable, offering a good balance between cost and features.
  • Detailed Analytics
    Provides in-depth analytics and reports, helping users make data-driven decisions for their SEO strategies.
  • Regular Updates
    The platform frequently updates its features and database to keep up with the latest SEO trends and requirements.
  • Excellent Customer Support
    Offers responsive and helpful customer support through various channels including live chat, email, and phone.

Possible disadvantages

  • Limited Data for Smaller Markets
    While Serpstat excels in many areas, its database may have limitations when it comes to less popular or smaller markets.
  • Learning Curve
    Despite its intuitive interface, the extensive range of features may require a learning curve for new users to fully utilize all its capabilities.
  • Speed Issues
    Some users have reported speed issues, particularly with loading times and data refresh rates, which can affect the overall user experience.
  • Backlink Data Limitations
    Backlink analysis features are less comprehensive compared to specialized tools like Ahrefs or Majestic, potentially limiting its effectiveness for advanced backlink research.
  • Mobile App Limitations
    The mobile app lacks some functionalities available on the desktop version, restricting user flexibility when accessing the platform on the go.
  • No Free Plan
    Serpstat does not offer a free plan, which may be a drawback for individuals or small businesses looking for a cost-free SEO solution.

Analysis

An editorial look at what each product does well and who it suits.

PDF Generator API
Serpstat

Overall verdict

  • PDF Generator API is a solid, developer-friendly solution for automating document generation, offering a drag-and-drop template editor and reliable REST API that make it easy to produce professional PDFs at scale.

Why this product is good

  • Intuitive drag-and-drop template editor lets non-developers design and edit document layouts without coding
  • Well-documented REST API with SDKs and integration guides for quick implementation
  • Supports dynamic data merging, making it ideal for invoices, reports, and personalized documents
  • Cloud-based service that scales with demand and reduces infrastructure overhead
  • Offers flexible pricing tiers suitable for startups and larger businesses
  • Allows end-users to customize templates within your own application via workspace features

Recommended for

  • SaaS companies needing to embed document generation into their platforms
  • Developers automating invoices, receipts, and financial reports
  • Businesses requiring personalized, data-driven PDF documents at scale
  • Startups looking for an affordable alternative to building PDF generation in-house
  • Teams wanting to give non-technical users control over document templates

Overall verdict

  • Overall, Serpstat is regarded as a solid option for both beginners and experienced SEO professionals who need a reliable tool to improve their website's search visibility and performance. Its competitive pricing, combined with a robust set of features, make it a popular choice in the SEO community.

Why this product is good

  • Serpstat is considered a good SEO tool by many users because it offers a wide range of features that help with keyword research, site audit, backlink analysis, rank tracking, and competitor research. It is especially valued for its comprehensive data and user-friendly interface. Additionally, it is often praised for its affordability compared to other SEO tools, making it accessible to small businesses and individual marketers.

Recommended for

    Serpstat is recommended for digital marketers, SEO professionals, content creators, and businesses of all sizes looking for a comprehensive yet affordable SEO tool to enhance their online presence and gain insights into their competitors.

Videos

Walkthroughs and reviews on video.

PDF Generator API 2 videos + Add
Serpstat 4 videos + Add

PDF Generator API Introduction and Product demo

More videos

  • - PDF Generator API | HTML to PDF Platform - eDocAPI The easiest way to generate PDF Documents

What is Serpstat?

More videos

  • - SerpStat Review - My Favorite Free & Paid SEO Keyword Research Tools Perfect For Beginners
  • - Serpstat Review | Growth hacking tool for SEO | Pearl Lemon Reviews
  • - Serpstat Review ✅ Discount Coupon Code With( 20% Off Special)

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
PDF Generator API
Serpstat
100% 100%
Document Automation
0% 0%
0% 0%
SEO Tools
100% 100%
100% 100%
PDF Creator
0% 0%
0% 0%
SEO
100% 100%

Questions & Answers

As answered by people managing PDF Generator API and Serpstat.

What makes your product unique?

PDF Generator API's answer

Easily generate PDF documents from pre-defined PDF templates with JSON data. Enable your users to create PDFs and manage their document templates using a browser-based drag-and-drop PDF editor to reduce development and support costs.

Serpstat's answer:

The AI-powered features for content optimization and generation are particularly noteworthy, as they go beyond traditional SEO tools to assist with content creation and enhancement.

Why should a person choose your product over its competitors?

PDF Generator API's answer

It seems the PDF customization and generation tools market is quite abundant and there are many companies battling it out for the attention of customers. However, we also see that PDF Generator API has some features that are unmatched by any of the other platforms. Among other features, we are the only ones that offer our clients support video calls and last, but not least – we are by far the most cost competitive platform among the whole bunch.

You can see comparison of all functionalities in our section here: https://pdfgeneratorapi.com/comparison

Serpstat's answer:

With its focus on AI and continuous innovation, choosing Serpstat positions users to take advantage of emerging trends in digital marketing.

How would you describe the primary audience of your product?

PDF Generator API's answer

From small to large companies we can provide cloud infrastructure for PDF creation and multiple other PDF services. We also provide dedicated and on-prem infrastructure for Enterprises worldwide.

Serpstat's answer:

Serpstat's primary audience includes digital marketers, agencies, in-house marketing teams, freelancers, content creators, and businesses looking to improve online visibility.

What's the story behind your product?

PDF Generator API's answer

Our HQ is in Estonia. We provide PDF creation for hundreds of client for more than 10 years. We are part of PDF Association and ISO Certified subject, which highlight our commitment to the highest security standards.

Who are some of the biggest customers of your product?

PDF Generator API's answer

Bigbank, DFDS, Veeqo.

User comments

Share your experience with using PDF Generator API and Serpstat. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

PDF Generator API 5.0 · 1 review
Serpstat no reviews yet
  • Easy, just do the things we need
    SaaSHub review
    · Oct 2025

    We did integration with PDF API and it is working as expected, we use forms to collect the data as well. Automated the invoice creation with their API. Great editor, btw.

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

PDF Generator API 0 mentions
Serpstat 5 mentions

Tracking PDF Generator API since May 2025.

  • 10 BEST FREE SEO REPORTING TOOLS
    SERPstat: Provides a range of SEO features, including keyword research, competitor analysis, rank tracking, site audit, backlink analysis, and more. Source: about 3 years ago
  • Best alternatives to SEMRush?
    Https://raventools.com - used it waaay back, since been acquired by TapClicks -not sure if that's a good thing or a bad thing Https://serpstat.com - see this one get mentioned quite a bit; never used tho Https://www.link-assistant.com... Source: over 3 years ago
  • SEO Tools Megathread
    Serpstat - A comprehensive SEO tool that offers keyword research, rank tracking, site audit, and backlink analysis. Pricing starts at AUD $103.20/month. Link: https://serpstat.com/. Source: over 3 years ago

View more

Alternatives to PDF Generator API and Serpstat

When comparing PDF Generator API and Serpstat, you can also consider the following products.

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