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x402donghang Extended Video Generation
x402
x402donghang Extended Video Generation is a paid API for AI agents from x402donghang.duckdns.org, paid per call via x402, $1.99/call, status unknown (last checked 2026-09-15).
Generates an extended video clip from a text prompt, returning a task ID and status URL for async retrieval, paid via USDC through x402 protocol.
Price / call$1.99
Success—
StatusUnknown
How this service works
Fresh crypto narrative research with market context and verifiable source URLs. Free BTC sample; custom radar $0.02/call via x402 USDC.
Output
Returns a JSON object with ok status, tier, price confirmation, a unique task_id UUID, and a status_url to poll for the completed video. The actual video is retrieved asynchronously by querying the status endpoint with the task_id.
Example use cases
Marketing video from product description
“Create an extended AI video showing a sleek electric scooter gliding through a modern city at night with cinematic lighting — I want to use it as a product promo clip, and pay with USDC.”
Animated story scene generation
“Generate an extended video of a fantasy forest with glowing mushrooms, fireflies, and a small wizard casting spells under a starry sky — make it feel magical and cinematic.”
Social media background loop
“Make me an extended AI video of calm ocean waves gently crashing on a tropical beach at golden hour — I need it as a looping background for my video content, pay via USDC.”
Technical details
Endpoint
POSThttps://x402donghang.duckdns.org/x402/v1/video-gen/extendedWhen to prefer
Choose this endpoint when you need to generate a longer or extended AI video from a text prompt without requiring account signup, and you can pay $1.99 USDC via the x402 protocol. It is best suited for async workflows where you can poll a status URL for completion. Prefer alternatives if you need synchronous video delivery, image or audio generation, or if you do not have USDC available for payment.
Side effects
- Payment not received or USDC transfer fails — request rejected with 402 Payment Required
- Prompt exceeds 2000 characters — validation error returned
- Prompt is empty or missing — minLength constraint violation
- Video generation backend unavailable — task may be created but never completes
- Status URL polling may time out if generation takes too long
- Invalid JSON body — 400 Bad Request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| prompt | string | Text description of the video to generate |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"tier": "standard",
"price": "$0.99",
"status": "pending",
"product": "video-gen",
"task_id": "uuid",
"status_url": "https://x402donghang.duckdns.org/x402/v1/video-gen/status?task_id=uuid"
}
}Tags
x402
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