Firecamp
Open source Postman alternative — build APIs 3x faster
Founded
2020
Starting Price
$0
Category
Developer Tools
Last updated March 6, 2026
About Firecamp
Firecamp is a developer-first, open-source API development platform that helps teams design, develop, test, and document APIs. It provides dedicated GUI playgrounds for REST, GraphQL, WebSocket, and Socket.io protocols within a unified collaborative workspace, positioned as an affordable alternative to Postman.
Pros & Cons
Pros
- REST, GraphQL, WebSocket, and Socket.io all in one tool
- Open source with AGPL-3.0 license and self-hosting option
- Generous free tier for up to 5 users with unlimited workspaces
- Lightweight and developer-first with minimal bloat
- Real-time collaboration similar to Google Docs
Key Features
Multi-Protocol Playgrounds
Dedicated GUI playgrounds for REST, GraphQL, WebSocket, and Socket.io APIs
API Collection Management
Organize, share, and collaborate on API collections across teams
Real-Time Collaboration
Google Docs-style real-time team synchronization on API workspaces
API Test Runner
Visual test runner to create, run, and manage automated API tests
CLI & CI/CD Integration
Run API collection tests in terminal or CI/CD pipelines
API Documentation Publishing
Auto-generate and publish API documentation in HTML and Markdown
Dynamic Variables & Environments
Manage environment-based variables for dev/staging/production
Authentication Testing
Pricing
Free
$0
- API Playgrounds
- API Collaboration
- Unlimited workspaces
- Up to 5 seats
- Community support
Best For
Multi-Protocol API Development
Teams building apps with REST, GraphQL, and WebSocket can test everything in one tool
Startup API Testing
Small teams get a fully-featured collaborative API platform for free
Postman Migration
Teams moving away from Postman can import collections and switch with minimal friction
CI/CD API Test Automation
Integrate CLI into CI/CD pipelines for automated API tests on every deployment
