A fast, private and offline API client for REST, gRPC, GraphQL and WebSocket services
Stage
Not given
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Founded
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Based in
IE
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Pricing model
Freemium
Open source
Pricing
Free plan with 3 architectures and 30 items per architecture. Standard plan at $9.90/month for unlimited architectures and items. Enterprise plan available for self-hosted deployment.
Not given
Key features
2D and 3D diagram design
Auto-generate from Terraform and CloudFormation
700+ cloud and open-source components
REST API for programmatic updates
Real-time monitoring and metrics
Interactive embeds for sharing
Customizable components and colors
AI Chat for architecture description
REST and HTTP with every method, query and path params, JSON, XML, text, form-data, URL-encoded and binary bodies
gRPC with server reflection or proto files, unary and server-streaming calls, metadata and trailers, TLS and mutual TLS
GraphQL queries and variables with data and errors split out
WebSocket text, JSON and binary messages with live message log
Traffic proxy to capture HTTP(S) traffic of apps and phones
Python scripting for pre and post-request scripts with tests
Test cases and CI integration with chapar-cli
Environments with variables and secret values encrypted with OS keychain
Import Postman collections, OpenAPI specs and proto files
Code generation for cURL, Python, Go, JavaScript, Java, Ruby and .NET
What makes it different
Over 700 components for major cloud providers and open-source technologies in one canvas
Import infrastructure as code automatically or describe via AI Chat
Real-time API connection for live monitoring data
Embed interactive diagrams in documentation and dashboards
Local-only data with no cloud sync or telemetry
GPU-rendered native UI that starts quickly and runs on macOS, Linux and Windows without a browser engine
Collections stored as YAML files in git for version control
Built-in traffic proxy for inspecting and importing HTTP(S) traffic from other apps
Chapar