Kong Insomnia vs. Gravitee.io

Build APIs that work. Deliver high quality APIs through standards and collaboration with the Insomnia API development platform. Open Source API Client There is a reason developers love Insomnia. With our streamlined API client, you can quickly and easily send HTTP, REST, gRPC, GraphQL, Websockets, SOAP, and SSE requests directly within Insomnia. Native API design and mocking Build consistently reliable APIs with Insomnia. Validate OpenAPI specs through real-time linting and simulate functionality using secure mock servers — locally or in the cloud.

Gravitee is an Agent Management platform that helps organizations adopt AI securely and at scale. It gives teams a single place to discover, govern, secure, and observe the agents, models, MCP servers, tools, prompts, and APIs that power modern AI applications. Built for enterprises becoming agent-first, Gravitee combines AI Gateway capabilities, agent identity, fine-grained authorization, observability, and asset cataloging into one platform. Teams can control how agents access models, tools, APIs, and data while maintaining visibility, security, and compliance across every interaction.