Stability AI SD3 Image Generation via Locus x402

x402

Stability AI SD3 Image Generation via Locus x402 is a paid API for AI agents from stability-ai.x402.paywithlocus.com, paid per call via x402, $0.029/call, status unknown (last checked 2026-09-14).

Generates images from text prompts or transforms existing images using Stability AI's Stable Diffusion 3.x models, paid per-call via USDC micro-payment.

Price / call$0.029

Seller volume →—

Success—

StatusUnknown

How this service works

Generative AI platform for images, 3D models, and audio — text-to-image, editing, upscaling, and more.

Output

Returns a JSON object with a `data` field containing the generated image output, a `request` object with a UUID and a status polling URL, a `payment` object confirming the USDC amount settled, and a `success` boolean. The image data itself is accessible via the request or embedded in `data`.

Example use cases

Blog post hero image generation

“Create a high-quality image for my tech blog post about quantum computing — something abstract and futuristic with glowing circuits and deep blue tones, 16:9 aspect ratio, PNG format, using the sd3.5-large model.”

Product concept art from description

“Generate a concept art image of a sleek minimalist coffee maker in matte black on a marble countertop, photorealistic style, square format, JPEG — I want it to look like a product ad, exclude clutter or text.”

Style-transfer from existing photo

“Take this photo I'm uploading and transform it into an oil painting style landscape, use image-to-image mode with strength 0.7, prompt 'impressionist oil painting, vivid colors, textured brushstrokes', PNG output.”

Technical details

Endpoint

POSThttps://stability-ai.x402.paywithlocus.com/stability-ai/generate-sd3

When to prefer

Choose this endpoint when you need programmatic, pay-per-call access to Stability AI's SD3.x family (including sd3.5-large, sd3.5-large-turbo, sd3.5-medium, sd3.5-flash) without managing API keys — the x402 USDC micro-payment model makes it ideal for agents that need to generate images on demand with crypto-native billing. Prefer this over direct Stability AI API calls when operating in a USDC/x402 payment context or when orchestrating multi-step agent workflows that need per-call cost accountability.

Side effects

Invalid or missing prompt — returns error indicating required field
Unsupported model identifier — returns validation error
Image-to-image mode called without providing an input image — returns parameter error
Insufficient USDC payment or payment failure — returns 402 Payment Required
Aspect ratio or output format value not recognized — returns validation error
Seed or cfg_scale out of valid range — returns parameter error
Content policy violation in prompt — returns moderation rejection

Input

Schema · Request body

Field	Type	Description
mode	string
seed	number
image	string
model	string
prompt	string
strength	number
cfg_scale	number
aspect_ratio	string
output_format	string
negative_prompt	string

Output

Schema · Response

{
  "type": "json",
  "example": {
    "data": {},
    "payment": {
      "scheme": "exact",
      "settledUsdc": "0.001000",
      "authorizedMaxUsdc": "0.001000"
    },
    "request": {
      "id": "00000000-0000-4000-8000-000000000000",
      "statusUrl": "/requests/00000000-0000-4000-8000-000000000000"
    },
    "success": true
  }
}

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How this service works

Generative AI platform for images, 3D models, and audio — text-to-image, editing, upscaling, and more.

Output

Example use cases

Blog post hero image generation

Product concept art from description

Style-transfer from existing photo

Technical details

Endpoint

POSThttps://stability-ai.x402.paywithlocus.com/stability-ai/generate-sd3

When to prefer

Side effects

Invalid or missing prompt — returns error indicating required field
Unsupported model identifier — returns validation error
Image-to-image mode called without providing an input image — returns parameter error
Insufficient USDC payment or payment failure — returns 402 Payment Required
Aspect ratio or output format value not recognized — returns validation error
Seed or cfg_scale out of valid range — returns parameter error
Content policy violation in prompt — returns moderation rejection

Input

Schema · Request body

Field	Type	Description
mode	string
seed	number
image	string
model	string
prompt	string
strength	number
cfg_scale	number
aspect_ratio	string
output_format	string
negative_prompt	string

Output

Schema · Response

{
  "type": "json",
  "example": {
    "data": {},
    "payment": {
      "scheme": "exact",
      "settledUsdc": "0.001000",
      "authorizedMaxUsdc": "0.001000"
    },
    "request": {
      "id": "00000000-0000-4000-8000-000000000000",
      "statusUrl": "/requests/00000000-0000-4000-8000-000000000000"
    },
    "success": true
  }
}