Scalar

Scalar is a comprehensive API platform built on the OpenAPI standard, providing developers and companies with industry-leading tools for API documentation, SDK generation, API testing, and registry management. The platform embraces open-source principles and open standards, making it easy for teams to build and maintain high-quality APIs with modern tooling.

Key Features:

• API Documentation - Create beautiful, modern documentation using a WYSIWYG editor, Markdown, MDX files, or generate API references directly from OpenAPI documents. Supports GitHub sync, custom HTML/CSS/JS, and fine-grained access control.

• SDK Generation - Automatically generate type-safe client libraries for TypeScript, Python, Golang, PHP, Java, and Ruby from your OpenAPI documents. SDKs include custom-code support, code samples, full authentication support, and automatic sync with documentation.

• API Registry - A centralized repository for managing and versioning OpenAPI documents, JSON Schemas, and Spectral rules. Features deep Git integration, CI/CD workflow support, and can be configured for private or public access.

• API Client - A fully open-source, offline-first API client that serves as a Postman alternative. Available for Linux, Windows, and macOS with features like collections, pre-request scripting, environment management, and test results.

• Agent Scalar - Chat with APIs on localhost with 10 free messages, with production deployment options and additional messages available at $0.02 per message.

• OpenAPI-First Approach - All products are built around the OpenAPI standard, ensuring strict compliance and seamless integration with existing API workflows.

• Collaboration Features - Includes viewer and editor seats, SSO/SAML support, RBAC, custom domains, and dedicated Slack/Teams channels for enterprise users.

To get started, visit the Scalar dashboard to register for a free account. The free tier includes subdomains, API references, themes, custom HTML/CSS/JS, and access to the fully open-source API client. For teams requiring advanced features like custom domains, Git sync, landing pages, and priority support, Pro and Enterprise plans are available.