Skip to main content
⚠️ This API is Deprecated, Not RecommendedPlease use the new Veo-3.1 API, which provides:
  • ✅ OpenAI-compatible format, easier integration
  • ✅ Lower prices (0.15−0.15-0.25/request)
  • ✅ More model options (8 variants)
  • ✅ Image-to-video functionality
Legacy VEO3 custom API is maintained for compatibility only, no new features will be added.
Base URL: https://api.laozhang.ai API Version: v1 Service Status: Maintenance mode (Not recommended for new projects)

​
VEO vs Sora 2 Quick Comparison

Important Decision: Choosing the right tool can save you up to 90% in costs!

VEO - Professional Quality First

Price: 2−2-10/callCore Advantages:
  • 🎨 Supports up to 5 reference images
  • 🤖 AI-powered prompt enhancement
  • 👑 Professional-grade quality (Pro version)
  • 🎬 Frame-level precise control
Best For:
  • Commercial advertising
  • Film post-production effects
  • Brand promotional videos
  • Multi-image reference needs

Sora 2 - Cost-Effective

Price: $0.15/call (13-67x cheaper)Core Advantages:
  • ⚡ Fast generation (2-3 mins)
  • 💰 Extremely low cost
  • 🎵 Audio-video sync
  • 🔥 Ultra-high stability
Best For:
  • Social media content
  • Rapid testing and iteration
  • Batch video generation
  • Budget-conscious projects
Money-Saving Tip: Test with Sora 2 (0.15)for5−10promptsfirst,thenuseVEO(0.15) for 5-10 prompts first, then use VEO (2-$10) for final production. Save 70-90% on testing costs!View Sora 2 Docs →

​
Overview

VEO API provides powerful AI video generation capabilities, supporting 4 different VEO3 series models. The service uses asynchronous processing mode to ensure efficient handling of video generation requests.

​
Core Features

Async Processing

Instant response after task submission, retrieve results via polling

Multi-Model Support

4 VEO3 models for different needs

Image Reference

Supports multiple reference images for generation

Prompt Enhancement

AI optimizes prompts for better results

Pay on Success

Only charged for successfully generated videos

High-Quality Output

Supports HD video generation, 10-15 seconds duration

​
Workflow

1

Submit Task

Call submit endpoint with text description and parameters
2

Get Task ID

System returns unique task ID
3

Poll Status

Use task ID to query processing progress
4

Get Result

Obtain video URL after task completion

​
Supported Models

ModelPriceFeaturesGeneration Time
veo3$2.00Standard version, excellent overall performance3-8 minutes
veo3-fast$2.00Fast version, audio support1-3 minutes
veo3-pro$10.00Professional version, exceptional quality5-15 minutes
veo3-pro-frames$10.00Pro version + frame control5-15 minutes

​
Getting Started

Get API Key

Contact threezhang.cn@gmail.com or WeChat laozhangdaichong to get API key

Quick Start

Learn how to get started quickly

API Reference

View detailed API documentation

Code Examples

View examples in various programming languages

Best Practices

Learn how to achieve best generation results