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Scalar

Scalar is a comprehensive API platform designed to streamline API development, documentation, and management, primarily leveraging the OpenAPI standard.

Free tierPrice verified 2026-09-30Visit site ↗
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Our verdict

Who it's for

A modern API platform built for the OpenAPI™ standard, offering developer tools and registry services.

Who should look elsewhere

AsyncAPI support is coming soon, not yet fully available.

Pros

  • +Embraces and promotes open standards like OpenAPI.
  • +Offers an open-source and offline-first API client.
  • +Automates documentation and SDK generation, reducing manual effort.
  • +Provides a centralized source of truth for API definitions.
  • +Deep Git integration for seamless version control and updates.

Cons

  • −AsyncAPI support is coming soon, not yet fully available.
  • −Specific pricing tiers and detailed feature breakdown per tier are not explicitly listed on the provided pages.

Key features

  • ✓API Registry for OpenAPI Documents, JSON Schemas, and Spectral Rules
  • ✓Git Integration for API definitions
  • ✓Open-source API Client (Postman alternative)
  • ✓Offline-first API Client
  • ✓Automated API Documentation generation (Markdown, MDX, OpenAPI)
  • ✓Customizable API Documentation (HTML/CSS/JS, GitHub Sync)
  • ✓SDK Generation (TypeScript, Python, Golang, PHP, Java, Ruby)
  • ✓Fine-grained access control for documentation

Pricing

PlanPriceBillingNotes
Free—monthSubdomains; API References (OpenAPI); Themes
Pro—monthSubdomains; API References (OpenAPI); Themes
Enterprise—monthSubdomains; API References (OpenAPI); Themes

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