Insomnia REST API Client

What it does

Leading Open Source API Development Platform for HTTP, REST, GraphQL, gRPC, SOAP, and WebSockets

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. Start with OpenAPI specs to design, refine, and preview your APIs in real time using a design-first methodology. Generate API mocks with dynamic responses, manually configured or automatically derived from collections, specs, responses, or plain language descriptions. Run unlimited collection tests with pre- and post-request scripting to build sophisticated workflows, validate complex scenarios, and generate dynamic test data. Test MCP servers with…from insomnia.rest

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  Insomnia REST Client now open-source2017 · insomnia.rest · ▲218

  Leading Open Source API Development Platform for HTTP, REST, GraphQL, gRPC, SOAP, and WebSockets

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  Insomnia Designer – Open-source collaborative editor for API design2020 · insomnia.rest · ▲317

  Leading Open Source API Development Platform for HTTP, REST, GraphQL, gRPC, SOAP, and WebSockets

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  Insomnia Designer2020 · insomnia.rest · ▲16

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