How to Build Your Own Swagger
Replace Swagger with a custom build. Build AI-Ready APIs | Design, Test & Scale APIs Faster with Swagger
Build Difficulty: 5/5
Build a working replacement in a weekend with AI tools
Estimated Timeline
Based on 47 features at Weekend Project difficulty, expect about One weekend with AI-assisted development.
Recommended Tech Stack
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Key Features to Replicate
Top features across 8 categories. See all 47 features
Testing(19 features)
Validate APIs while they're still in development with AI-enabled contract testing that empowers teams to discover consumer insights and detect integration issues early
Catch breaking changes early by validating API contracts throughout development, reducing production risks
Generate tests directly from your API designs to reduce rework and avoid outdated failures
Generate mock servers instantly to test endpoints without manual setup
Generate, review and maintain contract tests automatically and receive AI-driven suggestions for improvements
+14 more in this category
API Development(4 features)
Create MCP servers with AI assistance as part of API building
Export designs in multiple formats to meet development needs
Use Explore to generate an OpenAPI description for a service that doesn't have one yet, and import it straight into Design to enhance your workflow
Standardize core components like data models, parameters, and headers to reduce duplication and accelerate development
Collaboration(4 features)
Share API details across teams to accelerate learning and integration efforts
Share a set of API requests and responses with team members using Explore Spaces
Accelerate reviews with in-line commenting on API descriptions, streamlining team input and enabling quicker iteration
Share test results across QA, Dev, and Product teams to catch issues early
API Exploration(3 features)
Combine API documentation and live call testing in a single workspace to better understand how APIs behave before integration
Instantly visualize API responses to evaluate functionality
Interact with REST and Kafka APIs in the Explore tool
Documentation(3 features)
Automate your API documentation for humans and agents alike using traditional methods or MCP tools
Customize the portal to reflect your brand, providing a cohesive experience
Choose between multiple documentation formats—like Swagger UI or markdown-style rendering—to suit both internal and external audiences
Integration(3 features)
Seamlessly connect with API gateways
Connect with CI/CD pipelines for automated testing and deployment
Seamlessly connect with version control systems
Security(3 features)
Decide whether to expose your APIs publicly or restrict them to authorized users—ensuring the right level of access for every use case
Tailor access and editing rights across your team to simplify documentation workflows and maintain governance
Empower collaboration with intuitive access controls that keep teams aligned
Governance(2 features)
Automatically lint APIs against internal style guides to ensure consistency
Apply pre-built templates and style guides to drive consistency, reusability, and faster API delivery
Cost Calculator
Pricing data not available for Swagger. Check their website for current pricing.