Version AI is an AI-driven API documentation and mock server platform designed to help developers and product teams instantly generate high-quality REST API docs. You simply paste your API schema (OpenAPI, Swagger, or Postman), and Version AI automatically produces beautiful, interactive documentation complete with usage examples, authentication flows, and test endpoints. It also supports real-time mock servers and API versioning, making it easy for teams to preview, test, and iterate before pushing live. Built for startups, API-first companies, and developer advocates, Version AI takes the pain out of onboarding and speeds up feedback loops between backend and frontend.
Version AI Review Summary Performance Score
A
Content/Output
Developer-Ready, Clean, Usable
Interface
Dev-Focused, Lightweight, Accessible
AI Technology
- Schema Inference
- NLP for Description Auto-fill
- Mock Gen AI
Purpose of Tool
Automate API docs, mock servers, and versioning for faster dev
Compatibility
Web-Based, Git-Integrated, Postman & Swagger support
Pricing
Free plan + Paid tiers from $15/month
Who is Best for Using Version AI?
- Backend Engineers: Use Version AI to speed up API documentation and avoid writing boilerplate for endpoints and models.
- Product Teams and Tech Leads: Rely on Version AI to keep API specs up-to-date across versions and stakeholders.
- DevOps and QA Testers: Use mock server generation to simulate environments before deployment.
- SaaS Startups: Use it to present APIs to clients and partners with polished, no-code-ready documentation.
AI-Generated API Documentation
Paste OpenAPI or Swagger Specs
Instant Mock Server Creation
Version Control for APIs
Shareable API Docs with Custom Branding
Test Endpoints in Real-Time
AI-Powered Auto Descriptions
Git Integration & Import Tools
Is Version AI Free?
Yes, Version AI offers a free plan ideal for solo developers or early-stage teams. Paid plans unlock additional features like collaboration tools, higher mock server limits, and branded documentation.
Version AI Pricing Plans
- Free Plan:
- 1 Project
- 3 API versions
- Public doc sharing
- Basic mock server
- Limited usage
- Starter Plan � $15/month:
- 5 Projects
- 10 API versions
- Advanced mock servers
- Team collaboration
- Git sync & private docs
- Team Plan � $49/month:
- Unlimited projects
- Unlimited API versions
- Branded documentation
- Role-based access
- Priority support
Version AI Pros & Cons
Saves hours writing and formatting API docs manually
Generates testable mock servers instantly
Clean UI with Git and Postman integrations
Ideal for client-facing API presentations
AI auto-fills descriptions and usage guides
Limited customization in free tier
No native mobile support
Best suited for REST�GraphQL support limited
