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Combify Compute – Text-to-Image Generation (FLUX.1 schnell)
x402
Combify Compute – Text-to-Image Generation (FLUX.1 schnell) is a paid API for AI agents from compute.combify.app, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-11).
Generates a new image from a text prompt using the FLUX.1 schnell diffusion model, returning a base64-encoded JPEG for $0.02 USDC per call.
Price / call$0.02
Success—
StatusUnknown
How this service works
Create new imagery from a text description (FLUX.1 schnell), fixed price $0.02 USDC. Use this when you need a new picture; use /caption to read an existing image. POST JSON body {prompt (required, max 2048 chars), steps (optional 1-8, default 4, higher is slower but sharper), seed (optional, same seed repeats the image)}. Returns base64 JPEG. Unpaid calls get 402; paid calls settle only on success.
Output
Returns a base64-encoded JPEG image. On success the call is charged $0.02 USDC via x402. On failure (e.g. unpaid or invalid request) the server returns a 402 Payment Required before settlement, so you are only billed for successful generations.
Example use cases
Marketing visual from product description
“Create an image of a sleek wireless headphone floating against a dark gradient background with subtle light reflections — 8 steps for maximum sharpness.”
Concept art for game character
“Generate a fantasy warrior woman in golden armor standing in a burning castle courtyard, dramatic lighting, painterly style — use 6 diffusion steps.”
Reproducible stock photo placeholder
“Make me an image of a cozy coffee shop interior with warm lighting and wooden tables, using seed 42 so I can regenerate the exact same image later.”
Technical details
Endpoint
POSThttps://compute.combify.app/generate?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to create a brand-new image from a text description using a fast, high-quality diffusion model. Use /caption (sibling endpoint) when you need to analyze or describe an existing image rather than generate one. Prefer this over general-purpose image APIs when you want reproducible outputs via seed control, fine-grained quality control via steps, and per-successful-call billing at a fixed $0.02 USDC.
Side effects
- 402 Payment Required – call was made without a valid x402 payment or insufficient funds
- 400 Bad Request – prompt exceeds 2048 characters or steps is outside the 1–8 range
- 500 Server Error – model inference failure; retry recommended
- Empty or malformed base64 response if the model produces a degenerate output
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| seed | integer | Optional seed for reproducibility |
| steps | integer | Diffusion steps, 1 to 8 |
| prompt | string | Image description, max 2048 chars |
Tags
x402
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