Stability AI Inpainting via Locus x402

x402

Stability AI Inpainting via Locus x402 is a paid API for AI agents from stability-ai.x402.paywithlocus.com, paid per call via x402, $0.057/call, status unknown (last checked 2026-09-15).

Fill or replace masked regions of an existing image using a text prompt with Stability AI's inpainting model.

Price / call$0.057

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 containing a 'data' field with the generated image result, a 'payment' object confirming the settled USDC amount, a 'request' object with a unique request ID and a status URL for polling, and a 'success' boolean.

Example use cases

Remove unwanted object from photo

“I have a product photo but there's a power outlet visible on the wall behind it — here's the image and a mask over the outlet area. Fill it in with a plain white wall to match the surroundings, output as JPEG.”

Swap background behind portrait subject

“Take this portrait photo and replace the blurred office background using this mask — fill it with a lush green garden scene. Keep the output as PNG and exclude any indoor or artificial elements.”

Restore damaged section of artwork

“I have a scan of an old painting with a torn section — here's the image and the mask over the damaged area. Fill it in to match the artistic style of the rest of the painting, Baroque oil painting style, output as PNG.”

Technical details

Endpoint

POSThttps://stability-ai.x402.paywithlocus.com/stability-ai/inpaint

When to prefer

Choose this endpoint when you need to selectively edit, replace, or fill a specific region of an existing image guided by a text prompt. It is ideal for object removal, background swapping, region-specific style changes, or restoring damaged areas, as opposed to generating a brand-new image from scratch or upscaling an existing one. Use this over generic image generation when spatial control via a mask is required.

Side effects

Missing required 'image' or 'mask' field returns validation error
Mask and image dimensions mismatch causes generation failure
Invalid output_format value (not jpeg, png, or webp) returns bad request
Payment failure or insufficient USDC balance blocks the request
Overly complex or ambiguous prompt may produce poor fill quality
Seed value out of acceptable range causes parameter error

Input

Schema · Request body

Field	Type	Description
mask	string
seed	number
image	string
prompt	string
grow_mask	number
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

Remove unwanted object from photo

Swap background behind portrait subject

Restore damaged section of artwork

Technical details

Endpoint

POSThttps://stability-ai.x402.paywithlocus.com/stability-ai/inpaint

When to prefer

Side effects

Missing required 'image' or 'mask' field returns validation error
Mask and image dimensions mismatch causes generation failure
Invalid output_format value (not jpeg, png, or webp) returns bad request
Payment failure or insufficient USDC balance blocks the request
Overly complex or ambiguous prompt may produce poor fill quality
Seed value out of acceptable range causes parameter error

Input

Schema · Request body

Field	Type	Description
mask	string
seed	number
image	string
prompt	string
grow_mask	number
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
  }
}