WindsurfAPI — What is it?

WindsurfAPI is an API proxy that enables compatibility between Windsurf's AI models and OpenAI and Anthropic APIs, providing a dual-protocol endpoint for developers to integrate AI capabilities into their applications.

⭐ 2,767 Stars 🍴 586 Forks JavaScript Author: dwgx
Source: README View on GitHub →

Why it matters

WindsurfAPI is gaining attention due to its ability to bridge the gap between Windsurf's AI models and popular APIs like OpenAI and Anthropic, offering developers a unified interface to leverage multiple AI services. Its zero-dependency Node.js implementation and dual-protocol support are notable technical choices that stand out.

Source: README

Core Features

Dual-protocol API support

WindsurfAPI provides endpoints compatible with OpenAI and Anthropic APIs, allowing developers to use a single interface for multiple AI services.

Source: README
Zero npm dependencies

The project is built with Node.js and does not require any additional npm packages, simplifying deployment and maintenance.

Source: package.json
Account pooling and rate limiting

WindsurfAPI manages account pooling, automatically rotates accounts, applies rate limiting, and handles fault transfer to ensure stable service availability.

Source: README

Architecture

The architecture of WindsurfAPI involves an HTTP service that translates requests into Windsurf's internal gRPC protocol, communicates with the Windsurf cloud server, and maintains an account pool for efficient resource utilization. It follows a modular design with clear separation of concerns, utilizing design patterns like proxy and adapter for API compatibility.

Source: README

Project Knowledge Graph

Knowledge graph: project (center) + core features (inner hexagons) + key dependencies (outer chips) openai anthropic Dual-protocol API supportDual-protocol API s… Zero npm dependenciesZero npm dependenci… Account pooling and rate limitingAccount pooling and… WindsurfAPI Project Core feature Key dependency

Center: project; inner ring: core feature modules; outer ring: key dependencies. Auto-generated from core_features and tech_stack.key_deps.

Tech Stack

LanguageJavaScriptFrameworkNode.js
openaianthropic
Docker, Docker Compose
Source: package.json, README

Quick Start

git clone https://github.com/dwgx/WindsurfAPI.git cd WindsurfAPI bash setup.sh node src/index.js
Source: README Installation/Quick Start

Use Cases

WindsurfAPI is suitable for developers who need to integrate AI capabilities into their applications, such as code completion, code analysis, or natural language processing. It is useful in scenarios where multiple AI services need to be accessed through a single interface.

Source: README

Strengths & Limitations

Strengths

  • Strength 1: Simplifies integration of multiple AI services through a unified API.
  • Strength 2: Zero-dependency Node.js implementation for easy deployment.
  • Strength 3: Efficient account pooling and rate limiting for stable service availability.

Limitations

  • Limitation 1: Limited documentation on specific use cases and configurations.
  • Limitation 2: Dependency on external services like Windsurf and Anthropic for AI capabilities.
Source: README, package.json

Latest Release

v2.0.96 (2026-05-13): Added sticky session for conversation continuity and LS auto-restart with exponential backoff.

Source: GitHub Releases

Verdict

WindsurfAPI is a valuable tool for developers seeking to integrate multiple AI services into their applications with ease. Its zero-dependency Node.js implementation and dual-protocol support make it a compelling choice for those looking to streamline their AI integration process. It is particularly suitable for teams or individuals developing applications that require code completion, analysis, or natural language processing capabilities.

Frequently Asked Questions

What is WindsurfAPI?

WindsurfAPI is an API proxy that enables compatibility between Windsurf's AI models and OpenAI and Anthropic APIs, providing a dual-protocol endpoint for developers to integrate AI capabilities into their applications.

What are the main features of WindsurfAPI?

WindsurfAPI's core features include: Dual-protocol API support, Zero npm dependencies, Account pooling and rate limiting.

Why is WindsurfAPI trending?

WindsurfAPI is gaining attention due to its ability to bridge the gap between Windsurf's AI models and popular APIs like OpenAI and Anthropic, offering developers a unified interface to leverage multiple AI services.

What is WindsurfAPI used for?

WindsurfAPI is suitable for developers who need to integrate AI capabilities into their applications, such as code completion, code analysis, or natural language processing.

Transparency Notice
This page is auto-generated by AI (a large language model) from the following public materials: GitHub README, code tree, dependency files and release notes. Analyzed at: 2026-05-22 20:36. Quality score: 85/100.

Data sources: README, GitHub API, dependency files