AI API Platform
OpenAI-compatible API for production AI applications. Access leading open-source and proprietary models through a single endpoint.
Access DeepSeek, GLM, Yantronic V1 Pro（Domain Model）, Astra (Fusion Model), and selected third-party models.
Compatible with the OpenAI SDK. Change only base_url and API key.
Start in 30 Seconds
One API. All leading models.
curl https://openapi.linkwo.ai/v1/chat/completions \ -H "Content-Type: application/json" \ -H "Authorization: Bearer YOUR_API_KEY" \ -d '{ "model": "deepseek/deepseek-v4-pro", "messages": [ {"role": "user", "content": "Hello"} ], "stream": true }'data: {"choices":[{"delta":{"content":"Hello"}}]}
data: {"choices":[{"delta":{"content":" world"}}]}
data: [DONE]Built for AI Developers
Everything you need to integrate AI into production applications.
Streaming
Real-time token streaming via SSE.
Prompt Caching
Reduce latency and cost via prompt caching.
Tool Calling
OpenAI-compatible function calling.
OpenAI Compatible
Drop-in replacement for OpenAI SDK.
Built for Production
Infrastructure
Multi-Region Deployment
Deployed in US (Hillsboro) and Asia (Singapore)
High-Throughput Routing
Intelligent inference routing across all providers
Observability
Full request logging and performance monitoring
Low-Latency Switching
Seamless model switching with minimal overhead
99.9% Uptime
Enterprise-grade SLA with automatic failover
Privacy & Security
Zero retention: request content never stored or logged, encrypted end-to-end
Available Models
Core Models
DeepSeek V4 Flash
Efficiency-optimized MoE model, 284B params, 1M context, fast inference
DeepSeek V4 Pro
Large-scale MoE model, 1.6T params, 1M context, designed for advanced reasoning & coding
GLM-5.2
Next-gen flagship model, 1M context, advanced reasoning
Astra V1 Pro
FusionEnterprise Fusion Model using routing and ensemble inference
View API Reference
All APIs are fully OpenAI-compatible and production-ready.