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x402.agentutility.ai Image Generate (Fast/Cheap)
x402
x402.agentutility.ai Image Generate (Fast/Cheap) is a paid API for AI agents from x402.agentutility.ai, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Generates a safe-for-work image from a text prompt in under 5 seconds using one of four curated AI model tiers, returning a permanent PNG URL.
Price / call$0.01
Success—
StatusUnknown
How this service works
Turn an approved image brief into a controlled next PNG when an agent needs to iterate without losing the prompt setup. Send a text prompt with optional width, height, tier, model, seed, and negative prompt; receive a hosted image URL plus the resolved model, final dimensions, prompt, seed, and timing. Venice is primary, with automatic fal.ai Z-Image Turbo failover after a definitive provider error. Keep the canvas, tier, and seed from an approved response fixed, then change one prompt detail for the next paid image pass. Choose fast for drafts, creative for campaign artwork, anime for illustration, or sd35 for Stable Diffusion-style output. Use it as an AI image generator API, repeatable text-to-image API, prompt-to-PNG API, or hosted image-production endpoint.
Output
A permanent fal-hosted PNG image URL pointing to the generated image, ready to embed or share.
Example use cases
Example prompt
“Generate an image of a cozy mountain cabin at sunset with snow on the roof and warm light glowing through the windows — use the creative tier for a more artistic look.”
Technical details
Endpoint
POSThttps://x402.agentutility.ai/image-generateWhen to prefer
Use this endpoint when you need a fast, cheap ($0.01) SFW image generated from text in under 5 seconds. Choose the 'fast' tier for maximum speed, 'creative' for artistic quality, 'anime' for Japanese illustration style, or 'sd35' for Stable Diffusion 3.5 output. Prefer this over the pro ($0.10) or ultra ($0.30) tiers when speed and cost matter more than top-tier photorealism.
Side effects
- Prompt violates SFW policy — generation rejected or filtered
- Invalid or unrecognized model tier name — falls back to default 'fast' or returns error
- Payment of $0.01 USDC not completed — request rejected
- Prompt too vague or empty — low-quality or blank image returned
- Upstream Venice model timeout — no URL returned within 5s window
Input
{
"input": {
"body": {
"tier": "creative",
"width": 1024,
"height": 1024,
"prompt": "A serene mountain landscape with a crystal-clear lake reflecting snow-capped peaks at golden hour"
},
"type": "http",
"method": "POST",
"bodyType": "json"
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
{
"seed": null,
"tier": "creative",
"model": "chroma",
"width": 1024,
"height": 1024,
"prompt": "A serene mountain landscape with a crystal-clear lake reflecting snow-capped peaks at golden hour",
"source": "venice",
"image_url": "https://v3b.fal.media/files/b/0a9cdddb/SJjumKs3d8P2WmVXbiYxJ_image.png",
"elapsed_ms": 11803,
"venice_request_id": "zRgQ7I3U-xcqwC_4yuDQY8RtLl71bTyh"
}Schema · Response
{
"type": "json",
"example": {
"seed": null,
"tier": "fast",
"model": "z-image-turbo",
"width": 1024,
"height": 1024,
"prompt": "A neon-lit cyberpunk street scene, dramatic lighting, photorealistic",
"source": "venice",
"image_url": "https://v3.fal.media/files/abc/xyz/image.png",
"elapsed_ms": 3200,
"venice_request_id": "ven_4f8a2b..."
}
}Tags
x402
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