Insomnia is unclaimed —

Insomnia

The Collaborative API Development Platform·insomnia.rest

$12–$45/user/mo · Free plan · Open source See pricing ↓

Insomnia is an open source desktop application for designing, debugging, testing, and mocking APIs, supporting HTTP, REST, GraphQL, gRPC, SOAP, WebSockets, Socket.IO, and SSE. It offers collection-based collaboration with local, Git, or cloud storage, automated collection testing, AI-native features, and native MCP client support for testing MCP servers. It integrates with Kong Konnect for API governance and offers enterprise features like SSO, SCIM, and RBAC.

What it's for

API design with OpenAPI specsAPI mocking with dynamic responsesautomated API testing at scaleAPI debuggingMCP server testingCI/CD automation via Inso CLIteam collaboration on API collections

Features 17

AI-assisted git commit message generation
AI-powered mock generation from natural language
API mocking with dynamic mock servers
Automated collection-based API testing
Cloud sync with optional end-to-end encryption
Git Sync for version-controlled collections
Inso CLI for CI/CD automation
Local-only storage (Scratch Pad)
MCP Client for testing MCP servers and tools
Native Kong Konnect integration
OpenAPI spec design with live preview and linting
Plugin support and custom plugin building
Pre-request and after-response scripting
Real-time collaboration with 3-way merge
REST, GraphQL, gRPC, SOAP, WebSocket, Socket.IO, and SSE clients
Role-based access control (RBAC)
SSO (SAML/OIDC) and SCIM provisioning

At a glance

free tieropen sourceself-hostable

TypeDesktop app

DeploymentHybrid

PlatformsWindows, macOS, Linux

Forindividual developers, large organizations, security-first organizations, scaling teams

CompanyKong Inc.

Integrations

Developer PortalGCPKubernetes Ingress ControllerOpenAIClaudeHashicorpAWSAzureKong KonnectKong GatewayGemini

Complianceself-reported

SOC 2SOC 2 Type 2

Resources

Pricing

Pro plan page also shows a '15% savings' label; unclear whether the displayed $12/user/month price is the monthly or annual-billed rate. Enterprise plan is self-serve up to 50 users at $45/user/month; larger teams must contact sales for custom pricing.

EssentialsFree

Payment options: None

Git Sync for up to 3 users, 1,000 mock server requests per month

Pro$12/user/mo

Labeled '15% savings'; toggle for Monthly/Annual (Save 17%) present on page, unclear if $12 reflects annual-billed rate. Payment options: Credit card only.

10,000 mock server requests per month

Enterprise$45/user/mo

Self-serve pricing up to 50 users; larger teams must contact sales for custom quote.

Self-serve up to 50 users. For larger teams, contact sales.

Annual billing toggle labeled 'Save 17%' on pricing page.