Postman is not available as a self-hosted solution but there are some alternatives for power users and business that want to host a solution on-premise. The best Self-Hosted alternative is Hoppscotch, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Postman and nine of them are available as a self-hosted solution so hopefully you can find a suitable replacement. Other interesting Self-Hosted alternatives to Postman are Firecamp, Apiman, gRPC and OpenReq.
Hoppscotch is an open-source API development ecosystem. It helps you create your requests faster, saving you precious time on your development.
Helps you create your requests faster, saving you precious time on your development
AFAIK, doesn't have a feature to import cURL from clipboard.
Firecamp's GraphQL playground is all in one GraphQL debugging tool which let you debug, collaborate and document your GraphQL APIs within a team for all platform.
apiman is an open source API management layer that streamlines repetitive tasks often required when providing an API, such as implementing security, throttling and billing.
gRPC is a modern open source high performance Remote Procedure Call (RPC) framework that can run in any environment. It can efficiently connect services in and across data centers with pluggable support for load balancing, tracing, health checking and authentication.
gRPC is a protocol, Postman is an API testing tool/framework
Build, test, and debug your APIs with a self-hosted tool that does what you actually need. Scripts, environments, OAuth 2.0, code generation, and an AI wizard that builds collections from your docs — no account required, no limits.
Yaade is the only open-source, fully self-hosted, collaborative API development environment.
This is currently the only true open source and self hosted API client available.
A self hosted service that exposes live data from APIs as files on a virtual network share. Providing automatic transformation of data to useful file formats while offering comprehensive security options.
Slingshot is a web-based HTTP request client that is highly performant, low on resources, privacy respecting, local-first, free and open-source. It stores all your data locally in your browser. It allows you to import and export OpenAPI specs and Postman collections.
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Completely free, no account needed for anything, can be used on browser and even offers proxy