TiloBox
Back to directory
Prism project preview
Developer ToolsAlternative to MockoonAlternative to Postman Mock ServersAlternative to WireMock

Prism

HTTP mock server and contract validation proxy powered by OpenAPI v3.

View on GitHub Visit website
LicenseApache-2.0
GitHub stars4.5k
Last commit1 weeks ago
Tags6 topics
Openapi MockMock ServerStoplightDeveloper ToolsTypescriptContract Validation
Overview

Why consider Prism?

Prism is an open-source HTTP mock server and validation proxy maintained by Stoplight. It reads OpenAPI v3 documents to generate realistic mock servers with schema contract validation and fake data generation.

Guided learning

Learn Prism by building

Practical setup notes, real use cases, and copy-ready examples in one focused guide.

1 min read 2 sections
In this guide2 sections

Overview of Prism

Prism allows frontend teams to start developing against accurate API mocks before backend endpoints are built.

Quickstart

bash
1npm install -g @stoplight/prism-cli
2prism mock api.oas.yaml

Prism is licensed under the Apache License Version 2.0.

Related tools

More options with a similar category or technology profile.

diskus logo

diskus

Minimal, fast alternative to du -sh written in Rust using multi-threaded directory traversal.

peco logo

peco

Simplistic interactive filtering tool for Unix pipelines, process lists, and file trees.

Dapr CLI logo

Dapr CLI

Command-line tool for managing Dapr distributed application runtime environments and sidecars.

Freeze logo

Freeze

Generate beautiful image screenshots and SVGs of code snippets and terminal outputs.

Prism FAQs

Prism is listed as a Developer Tools tool on TiloBox. Review the overview, features, and official documentation on this page to decide whether it solves your specific workflow.

Start with the project's GitHub repository and official website for supported installation and deployment instructions. Test the setup with representative data or a small project before rolling it out more widely.

Prism is listed under the Apache-2.0 license. Read the complete license text and the project's notices before using, modifying, or distributing the software.

Production readiness depends on your requirements. Review maintenance activity, security practices, documentation, backup and upgrade procedures, and compatibility with your stack; then validate it in a non-production environment.

Prism is listed as an alternative to Mockoon. Compare the core workflow, deployment model, integrations, and licensing against your must-have requirements before switching.