A New Way of Writing Through AI

Write your API technical specification in one hour instead of one week

DocGenius guides you step by step to create complete, professional API documentation. Our AI asks the right questions and automatically structures your technical specification according to industry standards. Save valuable time while producing a higher-quality document.

Create my technical specification now

A new way to write, with you at the center

DocNexus doesn't write for you: it writes with you.

Clear and comprehensive technical specifications with zero hassle

No more full days spent structuring, writing, and formatting your API documentation. DocGenius analyzes your needs and generates a professional technical specification including endpoints, parameters, code samples, and use cases. Get a document your development teams and partners can put to work right away.

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Join those who have transformed the way they write.

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I have always believed that AI should not replace humans, but empower them. DocNexus puts domain expertise back at the center by helping you structure and challenge your thinking. That is what true augmented intelligence looks like.

Luc Julia
Luc Julia Co-creator of Siri, Chief Scientific Officer at Renault
+ 260,000

Documents created with DocNexus

+ 900,000

Hours of Writing Saved

+ 2.1 Million

AI-Generated Questions

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Create any type of technical documentation in record time

Beyond API specifications, DocGenius helps you write integration guides, technical manuals, software design documents, and architecture standards. Our solution adapts to every documentation need you have.

Explore documentation options

Smart questions with suggestions for effortless writing

Our AI asks targeted questions with answer suggestions tailored to your technical context. These suggestions save you valuable time and ensure your documentation is complete, even if you're not a technical writing expert.

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Documentation perfectly adapted to your context and your audience

DocGenius automatically adjusts the style, level of detail, and format of your technical specification to fit your needs. Whether you're writing for senior developers, external partners, or junior teams, the documentation will be perfectly calibrated.

Customize my documentation

Professional export with table of contents and structured layout

Instantly download your specification in Word format (.docx) with clean layout, an interactive table of contents, clearly defined sections, and intuitive navigation. Your documentation is ready to use right away and reflects your professionalism.

Create a ready-to-use document

Three steps to perfect API documentation

A proven technology that radically transforms document production.

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1

Create your free account

Sign up in seconds and get instant access to our AI assistant built for technical documentation. No credit card required to get started.

2

Answer the AI's questions

Our AI guides you with precise questions about your API: features, endpoints, parameters, authentication, error codes, and practical examples. Even without deep technical expertise, you'll provide all the information needed.

3

Get your complete technical specification

In less than an hour, download your professional API documentation, structured according to industry standards and ready to share with your teams or integrators.

Multilingual documentation for your international teams

Generate your technical specification in French, English, German, Spanish, Italian, or Portuguese. Perfect for distributed teams or international projects that need consistent documentation in multiple languages, with no extra effort.

Write in multiple languages

Smart regeneration for precise adjustments

Edit any section of your technical specification at any time. Ask the AI to rephrase, simplify, expand, or update specific parts without redoing the entire document. Your documentation evolves as fast as your API.

Update my documentation easily

Our Plans

Simple, transparent pricing that scales with your growth.

Pro

Ideal for freelancers

$99 / month
Max project size

Linked documents included

100 Pages
300 credits / month
equivalent to
~ 300 pages written

Collaborative workspace
Unlimited users
Documents unlimited
Knowledge Base
Unlimited storage
Smart evaluation
Structure and presentation
Content and Coherence
Adaptation and Relevance
Argumentation and sources

Recommended

Plus

For strategic documents

$199 / month
Max project size

Linked documents included

250 Pages
600 credits / month
equivalent to
~ 600 pages written

Collaborative workspace
Unlimited users
Documents unlimited
Knowledge Base
Unlimited storage
Smart evaluation
Structure and presentation
Content and Coherence
Adaptation and Relevance
Argumentation and sources
Compliance and Standards

Business

Designed for teamwork

$399 / month
Max project size

Linked documents included

500 Pages
1 200 credits / month
equivalent to
~ 1 200 pages written

Collaborative workspace
Unlimited users
Documents unlimited
Knowledge Base
Unlimited storage
Smart evaluation
Structure and presentation
Content and Coherence
Adaptation and Relevance
Argumentation and sources
Compliance and Standards
Custom evaluation
 

Entreprise

Plan tailored to fit your needs


Max Project Size: 1,000 Pages
Dedicated support and training
Group access management
Volume discounts
Custom integration

Your API technical specification is waiting

Join the hundreds of developers and product managers who have transformed their technical documentation process. In just one hour, get a complete API specification your teams will love to use.

Create my technical specification now

Notre FAQ

Yes, creating an account is completely free and includes five complimentary pages to write your first technical specification. This offer lets you test how effective our solution is on a real document. After that, we offer different subscription plans tailored to your specific documentation needs.

You can create as many documents as you need. The free version lets you generate up to five pages, which is enough for a simple API specification. Our subscription plans then give you the ability to create an unlimited number of technical documents, whether you're updating your existing APIs or creating new documentation.

Absolutely! Once your document is generated, you have full control over its content. You can manually edit any section, add your own code samples, rephrase explanations, or customize the structure. DocGenius also makes edits easy by letting you regenerate specific sections without touching the rest of the document.

For a standard API specification, the entire process usually takes between 45 minutes and 1 hour, including the dialogue with the AI. For more complex APIs with many endpoints and use cases, expect 2 to 3 hours at most. That's up to 10 times faster than traditional writing, which can take several days or even weeks.

That's exactly what DocGenius was built for! Our AI guides you through the entire process by asking precise questions and suggesting tailored answers. Even without technical writing expertise, you'll get professional documentation structured according to industry best practices. DocGenius handles the structure, formatting, and technical clarity, so you can focus solely on your API's features.