How to Build Your Own Gravitee
Replace Gravitee with a custom build. Unified API, event, agent management platform
Build Difficulty: 5/5
Build a working replacement in a weekend with AI tools
Estimated Timeline
Based on 41 features at Weekend Project difficulty, expect about One weekend with AI-assisted development.
Recommended Tech Stack
Full-stack React framework with API routes and server components
PostgreSQL database, auth, and real-time subscriptions
Utility-first styling for rapid UI development
Key Features to Replicate
Top features across 8 categories. See all 41 features
AI(6 features)
Agent-to-Agent communication proxy for AI systems
Catalog management for AI agents, MCPs, and LLMs
Consolidate, secure, and manage every AI agent to eliminate agent sprawl
Proxy for managing and securing Large Language Model interactions
Model Context Protocol proxy for managing AI agent integrations
+1 more in this category
Security(6 features)
AuthZen-based policy decision point for centralized authorization
Enterprise feature for masking sensitive data in logs
Native MCP authentication and fine-grained authorization for agent tool access
Multi-factor authentication, biometric authentication, token-based auth, identity and access management, and registration requirements
Resource server for Model Context Protocol authentication and authorization
+1 more in this category
Policies(5 features)
Pre-built authentication policies for securing API access
Apply policies at the message level for streaming data such as Kafka
Set rate limits and usage quotas across subscription tiers and plans
Apply policies at the request and response levels
Policy for traffic shaping to control API traffic patterns
Protocol Support(4 features)
Expose event streams and APIs via REST, SOAP, WebSocket, and HTTP protocols
Expose event broker resources over non-native protocols, such as exposing Kafka as WebSocket
Expose event and message broker resources as client-side webhook subscriptions
Expose event and message broker resources as WebSockets
Core Management(3 features)
Event-native, streaming-first API gateway for managing event streams
Open source Java-based API gateway for event-native and traditional APIs with pre-built policies
Manage every API across gateways and brokers in one platform
DevOps(3 features)
Streamline CI/CD pipelines with API lifecycle automation for versioning, validation, and publishing from OpenAPI specs
Define API policies, gateways, and configurations as code and deploy through Git-based workflows
Kubernetes-native deployment models to scale and orchestrate API infrastructure
Monitoring & Analytics(3 features)
In-depth API activity logging and analytics with instant alerts to development teams
Detailed analytics on traffic, API activities, requests, performance, availability with instant alerts
Track response time, uptime, error rates, CPU and heap usage, and availability over time
Deployment(2 features)
Deploy via cloud, on-premises, hybrid, or within Kubernetes
Option to manage and host your control plane with customer approval
Cost Calculator
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Total Cost Comparison
DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 41 features at very easy complexity.