AI-ready APIs Built Smarter. Tested Faster. Governed Better.

An AI-native API collaboration platform with native Kong Konnect integration. Every endpoint stays current, so you ship faster. Test, debug, and design with MCP support, AI-powered capabilities, and seamless local, Git, or cloud workflows.

Open-source and free tier:

  • Git Sync for 3
  • Native Git/Filesystem CLI
  • MCP Clients
  • Unlimited Projects
  • Unlimited collection runner
  • Free HTTP, gRPC, GraphQL, Socket.io, WSS + SSE
  • No login ever required for Scratch Pad
Insomnia user interface

Trusted by millions of API developers worldwide

Loved by API developers. Trusted by security-first organizations

Collaborative AI-native API and MCP Testing, Debugging, and Mocking

design

Confidently Design APIs

Start with OpenAPI specs to design, refine, and preview your APIs in real time using a design-first methodology.

build-anywhere

Native API mocking

Generate API mocks with dynamic responses, manually configured or automatically derived from collections, specs, responses, or plain language descriptions.

validation

Automated API testing at Scale

Run unlimited collection tests with pre- and post-request scripting to build sophisticated workflows, validate complex scenarios, and generate dynamic test data.

transfer

AI-Native Testing

Test MCP servers with Insomnia’s native MCP client, then leverage AI-powered workflows to accelerate development and catch issues early.

Why Kong Insomnia?

Build APIs with security, compliance, and collaboration in mind. Leverage an all-inclusive solution to drive efficiency across teams, with no hidden fees.

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Kong Konnect Integration

  • Connect your API catalog directly to Insomnia with Konnect as your source of truth for endpoint discovery.
  • Eliminate manual syncing and keep your team working with the latest API definitions across design, testing, and debugging.
  • Scale API governance seamlessly, automatically sync, reduce drift, and maintain consistency across distributed teams.
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Store data locally, via Git, or in the cloud

  • Work entirely offline with local storage for collections, designs, and tests, backed up and recoverable on your machine.
  • Use your Git repository as the backend to version and manage all your API assets.
  • Collaborate in the cloud with native sync and optional end-to-end encryption for sensitive work.
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Mandate data locality

  • Enforce consistent storage policies across your entire organization from the top down.
  • Mix and match storage options (local-only + Git, cloud-only, or hybrid)to fit your compliance needs.
  • Maintain security control over collections, designs, tests, and all sensitive API materials.
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Leverage enterprise-grade identity & security

  • Connect to any OIDC or SAML-compatible identity provider for seamless single sign-on across your organization.
  • Automate user lifecycle management with SCIM, new team members are automatically provisioned and offboarded users are instantly deprovisioned.
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Test MCP Servers Like You Test APIs

  • Connect MCP servers and visually inspect all available tools, resources, and prompts.
  • Track the full MCP Auth event log to see exactly where authentication and capabilities succeed or fail.
  • Run tools with custom parameters to validate behavior, test edge cases, and prevent production issues.
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Drive cross-functional collaboration

  • Set role-based access controls to guide how teams work together safely and effectively.
  • Share projects, collections, and resources with team members while maintaining governance.
  • Stay in sync with real-time status updates and built-in 3-way merge to prevent conflicts.
  • Start collaborating immediately, teamwork features are available on every plan.
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SOC 2, enterprise support, and SLAs

  • Get access to Kong's worldwide support and professional services teams, with enterprise-level agreements and SLAs.
  • Access enterprise certifications like SOC 2 Type 2.
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Unlock CI/CD automation with the Inso CLI

  • Validate and lint OpenAPI specs automatically within your Git pipelines using the Inso CLI tool.
  • Push approved specifications directly to Kong Gateway, Kubernetes Ingress Controller, and Developer Portal without manual intervention.
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Loved by API developers and adopted by security-first organizations

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