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LaoZhang API - Unified AI API Gateway for 200+ Models

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Why Choose LaoZhang API?

Looking for a reliable AI API gateway to access multiple models with a single integration? LaoZhang API is a unified AI API gateway that provides seamless access to 200+ AI models from leading providers:
  • Single API Endpoint: Access OpenAI, Anthropic, Google, and 50+ other providers through one unified interface
  • OpenAI Compatible: Drop-in replacement for OpenAI SDK - just change the base URL, no code rewrite needed
  • Better Pricing: Competitive rates across all models with transparent pay-as-you-go billing
  • High Availability: Multi-region infrastructure with 99.9% uptime SLA
✅ 200+ AI Models - GPT-4, Claude, Gemini, DeepSeek, and more ✅ OpenAI Compatible - Zero code changes, works with existing SDKs ✅ Pay-as-you-go - No subscription fees, pay only for what you use ✅ Instant Setup - Get started in 5 minutes with free trial credits

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💪 Key Features

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Enterprise-Grade Infrastructure

  • Multi-Region Deployment: Global edge nodes for low-latency access
  • Official Partnerships: Azure, AWS, GCP certified partner
  • SLA Guarantee: 99.9% uptime with average response time under 100ms
  • Smart Routing: Automatic failover and load balancing across providers

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Developer-Friendly Service

  • Instant Setup: Create account and get API key in under 5 minutes
  • Comprehensive Documentation: Complete API reference with code examples in 5+ languages
  • Compliance: ISO27001 certified, no data retention policy
  • Flexible Billing: Token-based pricing, no monthly fees or commitments

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📖 Getting Started

Quick Start

Complete integration in 3 steps, start using AI models immediately

API Manual

Complete API documentation and developer guide

Changelog

Latest model releases, pricing updates and important announcements

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🎨 Image & Video APIs

SeeDream 4.0 Image API

BytePlus Ark SeeDream 4.0 - Text-to-image and image editing, 65% off official price

Nano Banana Image API

Google Gemini powered - High quality image generation at $0.025/image

FLUX Image Generation

Industry-leading quality, flexible aspect ratios from 3:7 to 7:3

Sora 2 Video Generation

OpenAI Sora 2 - Text-to-video and image-to-video, no watermark

VEO Video Generation

VEO3 series models - Professional HD video generation

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🔧 Core APIs

Chat Completions API

Multi-turn conversations and text generation

Models API

Get all available model information

Images API

flux-kontext-pro, GPT-4o image generation

Embeddings API

Text embeddings for search and RAG

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🤖 Language Models

  • GPT-4o - Latest multimodal model, vision support
  • GPT-4o-mini - Lightweight version, cost-effective
  • o1 Series - Advanced reasoning models
  • GPT-3.5-turbo - Fast and economical
  • Claude 3.5 Sonnet - Best performance and speed balance
  • Claude 3 Opus - Most powerful model
  • Claude 3 Haiku - Fastest response
  • Gemini 2.5 Flash - Latest generation, best value
  • Gemini 2.0 Flash Thinking - Enhanced reasoning
  • Gemini 1.5 Pro - Long context support
  • DeepSeek V3 - Outstanding Chinese language ability
  • DeepSeek Chat - General conversation model

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🎨 Image Generation Models

FLUX

Industry-leading quality$0.035/image

SeeDream 4.0

BytePlus Ark official$0.025/image

Nano Banana

Google Gemini powered$0.025/image

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🚀 Get Started in 3 Steps

1

Create Account

Visit api.laozhang.ai to sign up - get free trial credits instantly
2

Get Your API Key

Create API key in console dashboard - takes 30 seconds
3

Start Building

Replace OpenAI base URL with ours, start calling 200+ models immediately

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📞 Contact & Support

💡 Need Help? Check our comprehensive documentation or reach out via email for technical support!
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