Introduction
Official Forward refers to the solution that directly calls OpenAI’s official Sora API and transparently forwards it to users. Unlike the current default “reverse-engineered” solution, the Official Forward plan offers higher stability and more precise instruction following. **What is Official Forward?**Official Forward is a transparent proxy forwarding service for OpenAI’s official API. Your requests are directly forwarded to OpenAI’s official servers, enjoying the same service quality and stability as OpenAI official.Plan Comparison
How to choose?
- Prioritize stability and quality: Choose Official Forward
- Prioritize cost-effectiveness: Choose reverse-engineered (current default)
Supported Models and Pricing
sora-2 (Standard Model)
sora-2-pro (HD Model)
Prices above include our service fee.
How to Get Started
1 Create Token Log in to YeLIn AI console, when creating a new token, select “Sora2官转” (Sora2 Official Forward) group.(截图请在 Console 查看) 2 Configure Billing Mode Billing mode must be set to “Pay-as-you-go”. Official Forward plan does not support pay-per-call mode. You must use pay-as-you-go billing. 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.- Image resolution must match the
sizeparameter (e.g., if size=1280x720, image must be 1280×720 pixels) - Supported formats: JPEG, PNG, WebP
- Images containing real human faces are not supported (will be rejected by content moderation)
Python Example
Task Status Reference
Polling RecommendationVideo generation typically takes 2-5 minutes. We recommend polling status every 15-20 seconds to avoid excessive requests.
Developer Documentation
The Official Forward 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 guideOpenAI Videos API
API reference documentationSora 2 Model Docs
sora-2 model detailsSora 2 Pro Model Docs
sora-2-pro model detailsImportant Notes
Key Limitations- Async only: Official Forward does not support sync API, all requests are asynchronous
- Pay-as-you-go only: Must select “Pay-as-you-go” billing mode, “Pay-per-call” is not supported
- Group selection: Must select “Sora2官转” group when creating tokens
- Image limitation: Image-to-video does not support images containing real human faces