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AgentUtility Book Cover Image Generator
x402
AgentUtility Book Cover Image Generator is a paid API for AI agents from x402.agentutility.ai, paid per call via x402, $0.011/call, status unknown (last checked 2026-10-31).
Generates a book cover image using the Chroma model via Venice, returning a 768×1024 PNG image URL for $0.01 USDC per call
Price / call$0.011
Success—
StatusUnknown
How this service works
817 pay-per-call APIs for AI agents. Every endpoint is POST /<name> and is payable in USDC over x402 on Base and Solana — no signup, no API key, just pay-per-call. GET https://x402.agentutility.ai/ returns the same catalog as machine-readable JSON.
Output
Returns a JSON object with the model used ('chroma'), image dimensions (768 wide × 1024 tall), the source provider ('venice'), and a direct image URL (hosted on fal.media) pointing to the generated book cover PNG.
Example use cases
Example prompt
“Generate a book cover image for my dark fantasy novel called 'The Ashen Crown' — a brooding, atmospheric scene with a crumbling stone throne and misty mountains in the background, moody and cinematic style.”
Technical details
Endpoint
POSThttps://x402.agentutility.ai/book-cover-image-generate?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a purpose-built book cover image generator optimized for portrait 768×1024 format using the Chroma model via Venice, payable per-call in USDC with no subscription required — ideal for self-publishing workflows, ebook cover generation, or any agent pipeline that needs professional-grade book cover art on demand.
Side effects
- Invalid or missing prompt leads to generation failure
- Payment not settled via x402 returns 402 Payment Required
- Venice/fal.media upstream outage causes 503 or timeout
- Prompt violates content policy and is rejected
- Malformed request body returns 400 Bad Request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"model": "chroma",
"width": 768,
"height": 1024,
"source": "venice",
"image_url": "https://v3.fal.media/files/abc/xyz/image.png"
}
}Tags
x402
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Zero review prompt (fires after every successful call)
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