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API_TESTER vs Insomnia
Open-source client supporting REST, GraphQL and gRPC, runs as a standalone app
InsomniaOpen-source API client for REST, GraphQL and gRPCWhich to pick
Pick API_TESTER if you want…
- Fast menu-bar API testing
Pick Insomnia if you want…
- Collaborative AI-native API testing
- Open-source multi-protocol API client
- A free plan to start with
- Open-source code (Kong/insomnia on GitHub, Apache-2.0 license)
Side by side
- What it is
- API_TESTER:API_TESTER is a lightweight macOS menu-bar tool for sending and validating HTTP requests.
- Insomnia:Insomnia is an open-source API client for designing, testing, debugging and mocking REST, GraphQL, gRPC, SOAP and WebSocket APIs.
- Best for
- API_TESTER:Fast menu-bar API testing
- Insomnia:Collaborative AI-native API testing
- Who it’s for
- API_TESTER:Mac developers who need quick API testing without leaving their workflow.
- Insomnia:API developers, security-focused teams, and organizations needing collaborative API workflows.
- Pricing
- API_TESTER:Paid
- Insomnia:Freemium
- Open source
- API_TESTER:—
- Insomnia:Yes, 40,038 GitHub stars
- Works with
- API_TESTER:—
- Insomnia:Kong Konnect, OIDC, SAML, SCIM, Inso CLI
API_TESTER features
- HTTP methods. Send GET, POST, PUT, and DELETE requests instantly from the menu bar.
- Custom headers & auth. Add custom headers and authentication to requests.
- Body syntax checking. Edit and validate request bodies with built-in syntax checking.
- Response view. See color-coded status, response time and formatted results.
- Resizable UI. Resize the minimal interface while keeping it always accessible.
- No data collection. The app does not collect any user data.
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.
API_TESTER vs Insomnia FAQ
Is API_TESTER or Insomnia free?+
API_TESTER is paid. Insomnia has a free plan and paid plans.
Is API_TESTER or Insomnia open source?+
Insomnia is open source (Kong/insomnia on GitHub, Apache-2.0 license). DevHunt has no public source repository on record for API_TESTER.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.