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orval-labs/orval

orval is able to generate client with appropriate type-signatures (TypeScript) from any valid OpenAPI v3 or Swagger v2 specification, either in yaml or json formats. ๐Ÿบ

TypeScript โ—‡ angular MIT
โ˜…6.5KSTARS
โ‘‚688FORKS
!16ISSUES
๐Ÿ†#1,596GLOBAL RANK
๐Ÿ”ฅ6DAYS TRENDING
๐Ÿš€
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Momentum

+163

STARS ยท LAST 30 DAYS

5

PER DAY

#249

MOST-STARRED TypeScript

Window7 days30 days90 days
Stars gained+35+163+450
Per day555
Forks gained+3+14+34

orval gained 163 stars in the last 30 days, about 5 a day, and now has 6.5K. It is about 7 years old and has averaged roughly 930 stars a year. It ranks #249 among TypeScript repositories and #1,596 across all languages on GitHubRepo.

Trending Record

orval has maintained a continuous presence across global trending indexes, peaking at #1620. Below is the 30-day activity profile:

๐Ÿ’ก Overview

orval is an open-source project written in TypeScript: orval is able to generate client with appropriate type-signatures (TypeScript) from any valid OpenAPI v3 or Swagger v2 specification, either in yaml or json formats. ๐Ÿบ.

Engineered for speed, consistency, and developer ease, it solves common hurdles in angular, axios-client, codegen. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.

โšก Key Features

1

Optimized execution pipeline written in TypeScript for predictable speed.

2

Zero-friction configuration with comprehensive sensible defaults out of the box.

3

Cross-platform runtime support across Linux, macOS, and Windows environments.

4

Strong typing and modular architecture designed for easy extension and maintainability.

5

Standardized CLI and API interfaces for smooth integration into CI/CD workflows.

6

Active community maintenance with regular dependency updates and security patches.

๐Ÿ“ฅ Installation

terminal
$ npm install orval

โš™ System Requirements

Platforms

  • โ€ข macOS
  • โ€ข Linux
  • โ€ข Windows

Runtime & Dependencies

Node.js >= 18, npm, pnpm or bun

Architecture

x86_64, ARM64 (Apple Silicon & Graviton)

๐Ÿง  How It Works

orval coordinates its core functionality through a modular TypeScript pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.

๐ŸŽฏ Production Use Cases

Modern Web Interfaces

Build dynamic, responsive user experiences with component-driven architecture.

Enterprise Design Systems

Standardize design tokens, accessible widgets, and themes across engineering teams.

Interactive Data Dashboards

Render real-time telemetry, user feeds, and analytics with sub-millisecond updates.

Cross-Platform Web Apps

Deploy performant single-page applications optimized for both mobile and desktop browsers.

๐Ÿš€ Getting Started

1

Install orval using your package manager: `npm install orval`

2

Initialize your project workspace or configuration file for orval.

3

Import orval into your codebase or invoke it directly from your terminal.

4

Execute your test suite or run `orval --help` to verify successful setup.

๐Ÿ‘ Strengths

Active community backing with 6,507 GitHub stars and verified adoption.
Permissive open-source distribution under the MIT license.
Built in TypeScript for high execution speed and developer familiarity.
Cross-platform compatibility across modern Linux, macOS, and Windows environments.
Clean modular design allowing flexible configuration and pipeline integration.

โš ๏ธ Considerations

Requires familiarity with TypeScript and modern CLI workflows.
Ecosystem extensions may require manual configuration depending on environment constraints.
Active development roadmap means breaking API changes may occur across major versions.

โ‡„ Alternatives & Direct Competitors

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๐Ÿ‘ฅ Who Should Use This

Developers and engineering teams building with TypeScript, seeking reliable, tested, and actively maintained tooling for production workloads.

๐Ÿ† Nearby in the Rankings

orval-labs/orval is currently ranked #1,596 by stars across every repository tracked on GitHubRepo. These are adjacent projects:

RankRepositoryLanguageStarsAction
#1,591 actions/actions-runner-controller Go โ˜… 6.5K Compare โ†—
#1,592 photoview/photoview Go โ˜… 6.5K Compare โ†—
#1,593 larastan/larastan PHP โ˜… 6.5K Compare โ†—
#1,594 cloudquery/cloudquery Go โ˜… 6.5K Compare โ†—
#1,595 sebastianbergmann/object-enumerator PHP โ˜… 6.5K Compare โ†—
#1,596 orval-labs/orval This Project TypeScript โ˜… 6.5K
#1,597 espressif/esptool Python โ˜… 6.5K Compare โ†—
#1,598 apache/flink-cdc Java โ˜… 6.5K Compare โ†—
#1,599 genkit-ai/genkit TypeScript โ˜… 6.5K Compare โ†—
#1,600 ethereum-optimism/optimism Go โ˜… 6.5K Compare โ†—
#1,601 RobinHerbots/Inputmask JavaScript โ˜… 6.5K Compare โ†—

Frequently Asked Questions

What does orval do? +

orval is able to generate client with appropriate type-signatures (TypeScript) from any valid OpenAPI v3 or Swagger v2 specification, either in yaml or json formats. ๐Ÿบ

What language is orval written in? +

The primary language is TypeScript. Topics include: angular, axios-client, codegen, faker, mock.

Is orval actively maintained? +

Yes, the last recorded push was on Oct 5, 2026 with 16 open issues being tracked.

How many stars does orval have? +

orval has 6,507 stars and 688 forks on GitHub.

How does orval rank among GitHub repositories? +

With 6,507 stars, orval-labs/orval is ranked #1,596 globally across all repositories tracked on GitHubRepo and #249 among TypeScript projects.

What license is orval distributed under? +

The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.

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