What is Classic Fast API best for?

Classic Fast is best for cheap drafts, bulk ideation, quick thumbnails.

How do I call Classic Fast API?

Send an async LumixAI job with model set to fast.

LumixAI image generation API

Classic Fast API

Classic Fast API is a LumixAI preset for teams that want a practical image generation endpoint with simple pricing and dependable defaults.

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Model slug: fast
Credit rate: 1 credit
Provider: LumixAI

Classic Fast API image generation sample

Model overview

What is Classic Fast API?

Fast classic image generation preset for low-cost drafts and quick creative feedback loops.

Use Classic Fast through LumixAI when you want one stable REST workflow for prompts, model selection, async jobs, usage tracking, and credit pricing. The page targets searches for Classic Fast API, Classic Fast image API, and LumixAI image generation API.

cheap drafts

bulk ideation

quick thumbnails

Developer workflow

Call Classic Fast from one image API.

Async jobs

Queue generation, poll status, and return image URLs when render completes.

Credit pricing

Classic Fast starts at 1 credit per image before conditional rules.

await fetch("https://api.example.com/v1/images/jobs", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "X-API-Key": process.env.LUMIXAI_API_KEY
  },
  body: JSON.stringify({
    model: "fast",
    prompt: "premium product image, clean studio lighting",
    aspectRatio: "16:9",
    resolution: "2k"
  })
});

SEO content source map

Source-informed model positioning.

LumixAI API workflow

Async jobs, model slug selection, API keys, and credit-based usage are handled by this app.

Next step

Try Classic Fast with an API key.

Start generating