Introduction
New Sora2 video integrations currently use Official API Forwarding only. Token creation matches the official API forwarding
gpt-image-2 setup: select only Sora2Official or GPTImage2 Enterprise, and use usage-based billing. The old Sync API, old Async queue, legacy route models, and Character Creation docs are marked outdated for historical troubleshooting only.What is Official API Forwarding?Official API Forwarding is a transparent forwarding service for OpenAI’s official API. Your requests are directly forwarded to OpenAI’s official servers, with service quality and stability aligned with OpenAI official.
Plan Comparison
Supported Models and Pricing
sora-2 (Standard Model)
sora-2-pro (HD Model)
Prices above include our service fee.
How to Get Started
Token Creation Rules
1
Create Token
Log in to laozhang.ai console, create a new token, and choose the billing mode and group according to the table above.
2
Configure Billing Mode
The token billing mode must be “Pay-as-you-go”. If the console dropdown shows “Quantity priority”, select “Quantity priority”. Actual consumption is deducted by official-forward usage.
3
Call API to Generate Video
Follow the complete examples below to call the API.
API Reference
Basic Information
API Endpoints
Request Parameters
Supported Resolutions (size parameter)
sora-2:720x1280(Portrait, default)1280x720(Landscape)
720x1280(Portrait)1280x720(Landscape)1024x1792(Portrait HD)1792x1024(Landscape HD)
Complete Examples
Text-to-Video (cURL)
Step 1: Create Video Generation TaskImage-to-Video (cURL)
Image-to-Video allows you to provide a reference image as the first frame of the video. The AI will generate a dynamic video based on this image.
Python Example
Task Status Reference
Developer Documentation
The Official API Forwarding plan is fully compatible with OpenAI’s official API format. For more parameters and advanced usage, please refer to:OpenAI Sora Official Guide
Complete video generation guide
OpenAI Videos API
API reference documentation
Sora 2 Model Docs
sora-2 model details
Sora 2 Pro Model Docs
sora-2-pro model details
Important Notes
FAQ
What's the difference between Official API Forwarding and legacy route?
What's the difference between Official API Forwarding and legacy route?
Official API Forwarding directly calls OpenAI’s official API through transparent forwarding. The legacy route was historical and is no longer the current Sora2 video integration route.
Why doesn't Official API Forwarding support sync API?
Why doesn't Official API Forwarding support sync API?
OpenAI’s official Sora API itself only provides async calling method, so Official API Forwarding also only supports async calls.
Why are duration options different?
Why are duration options different?
Official API Forwarding supports OpenAI’s official 4/8/12 second duration options; legacy route supports the official website interface’s 10/15 second durations.
What are the requirements for image-to-video?
What are the requirements for image-to-video?
Image resolution must match the target video’s size parameter. For example, if size=1280x720, the image must be 1280×720 pixels. Supported formats: JPEG, PNG, WebP. Images containing real human faces are not supported.