Kong Insomnia Alternatives (January 2026)

Kong Insomnia

The Collaborative API Development Platform - Insomnia

https://insomni.rest/

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

4.4/5

50+ reviews

Reviewed on:

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1.
The Platform Powering the API World | Kong Inc.
https://kongh
.com/

Kong is the most widely adopted API gateway and service mesh, powering the world’s APIs for modern architectures. Accelerate development and productivity today!

2.
Kong Gateway: Most Trusted Open Source API Gateway | Kong Inc.
https://kongh
.com/products/kong-gateway/

Kong Gateway is the industry’s most trusted open source API gateway. Accelerate development and delivery of APIs and microservices with Kong Gateway today!

3.
API Management Platform & API Gateway | Tyk.io
https://ty
.io/

Our API Management platform is fast, scalable, modern. Including an open source API Gateway, Analytics, Dev Portal and Dashboard.

4.
API Documentation & Design Tools for Teams | Swagger
https://swagge
.io/

Simplify API development for users, teams, and enterprises with our open source and professional toolset. Find out how Swagger can help you and get started today.

5.
Gravitee.io - Full-lifecycle API Management
https://www.gravite
.io/

Easily unify the management, security, and governance of both synchronous and asynchronous ecosystems with the leading open source API Management platform.

6.
Create mock APIs in seconds with Mockoon
https://mockoo
.com/

Mockoon is the easiest and quickest way to run mock REST API servers. No remote deployment, no account required, free, open source and cross-platform.

7.
Platform for API Design, Development & Documentation | Apiary
https://apiar
.io/

Apiary provides the leading API-First platform designed specifically to help companies accelerate and control the design, development, and documentation of APIs.

8.
OpenAPI Design & Documentation Management Tool | Stoplight
https://stopligh
.io/

With Stoplight, you can create OpenAPI descriptions, documentation, and mock servers much faster than other API tools — with no specialized knowledge required — all in one centralized platform.

9.
WireMock - flexible, open source API mocking | WireMock
https://wiremoc
.org/

WireMock is a tool for building mock APIs. API mocking enables you build stable, predictable development environments when the APIs you depend on are unreliable or don’t exist.