Compare
Insomnia vs Voiden
Insomnia supports REST, GraphQL and gRPC but stores collections in its own format; Voiden stores everything as plain Markdown in Git.
Which to pick
Pick Insomnia if you want…
- Collaborative AI-native API testing
- Open-source API client with multi-protocol support
- Open-source code (Kong/insomnia on GitHub, Apache-2.0 license)
- Integrations with Kong Konnect, OIDC or SAML (on Insomnia's list, not Voiden's)
Pick Voiden if you want…
- Git-native API design, testing and docs
- A free tool
- Integrations with Node.js, GitHub Actions or GitLab CI (on Voiden's list, not Insomnia's)
Side by side
- What it is
- Insomnia:Insomnia is an open-source API client for designing, testing, debugging and mocking REST, GraphQL, gRPC, SOAP and WebSocket APIs.
- Voiden:Voiden is a Git-native, offline-first workspace that lets you design, test and document APIs in a single Markdown file.
- Best for
- Insomnia:Collaborative AI-native API testing
- Voiden:Git-native API design, testing and docs
- Who it’s for
- Insomnia:API developers, security-focused teams, and organizations needing collaborative API workflows.
- Voiden:Developers who version-control APIs and prefer local, no-account tools
- Pricing
- Insomnia:Freemium
- Voiden:Free
- Open source
- Insomnia:Yes, 40,038 GitHub stars
- Voiden:—
- Works with
- Insomnia:Kong Konnect, OIDC, SAML, SCIM, Inso CLI
- Voiden:Node.js, GitHub Actions, GitLab CI, Claude, Codex
Insomnia features
- Design-first API editor. Create and preview OpenAPI specs in real time with live linting.
- Native API mocking. Generate dynamic mock responses from collections, specs or plain language.
- Automated testing at scale. Run unlimited collection tests with pre/post scripts and CI/CD integration via Inso CLI.
- Kong Konnect integration. Sync API catalog directly with Kong Konnect for up-to-date endpoint discovery.
- Collaboration & RBAC. Real-time project sharing, role-based access controls and unlimited collaborators per project.
- Flexible storage options. Store data locally, in Git, in the cloud, or hybrid with end-to-end encryption.
- Enterprise identity & security. SSO via OIDC/SAML, SCIM provisioning, SOC 2 compliance and enterprise SLAs.
- MCP client support. Test and debug MCP servers with AI-powered workflows.
Voiden features
- Executable API Docs. Run API requests directly inside Markdown alongside documentation.
- LEGO-style HTTP Blocks. Compose requests from reusable endpoint, header, auth, and param blocks.
- Multi-Protocol Support. Handle REST, WebSocket, gRPC and GraphQL in one workspace.
- MCP Integration. Expose requests as AI-agent callable tools via built-in MCP support.
- Pre & Post Request Scripts. Run JavaScript, Python or Shell scripts before and after requests.
- OpenAPI & Postman Import. Import existing OpenAPI specs or Postman collections to generate .void files.
Insomnia vs Voiden FAQ
Is Insomnia or Voiden free?+
Insomnia has a free plan and paid plans. Voiden is free.
Is Insomnia or Voiden open source?+
Insomnia is open source (Kong/insomnia on GitHub, Apache-2.0 license). DevHunt has no public source repository on record for Voiden.
Do Insomnia and Voiden integrate with the same tools?+
Their integration lists don't overlap: Insomnia lists Kong Konnect, OIDC, SAML, SCIM and 1 more; Voiden lists Node.js, GitHub Actions, GitLab CI, Claude and 1 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.