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Stability AI Inpaint
image-generationstable-diffusionupscaling3daimedia
Stability AI Inpaint is a paid API for AI agents from Stability AI at stability-ai.mpp.paywithlocus.com, paid per call via MPP, $0.057/call, status unknown (last checked 2026-10-10).
Fills or replaces a masked region of an image using a text prompt via Stability AI's inpainting model
Price / call$0.057
Success—
StatusUnknown
How this service works
Fill a masked region with AI-generated content guided by a prompt.
Output
Returns an inpainted image with the masked region filled according to the text prompt, in the requested output format (jpeg, png, or webp). The result is a modified version of the source image where the white mask area has been replaced with AI-generated content matching the prompt.
Example use cases
Example prompt
“Take this product photo [image URL] and fill in the masked region [mask URL] with a wooden table surface — use a PNG output and make sure there's no plastic or glass texture in the fill.”
Technical details
Endpoint
POSThttps://stability-ai.mpp.paywithlocus.com/stability-ai/inpaint?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to fill, replace, or remove a specific region of an existing image based on a text description. Prefer this over outpainting (extending borders) or background replacement when you have a precise masked area within the image that needs targeted content generation. Ideal for product photo editing, object removal, or localized image repair tasks.
Side effects
- Missing required 'image' field returns a 400 validation error
- Missing required 'prompt' field returns a 400 validation error
- Invalid image format or unreadable image URL causes a processing error
- Mask dimensions not matching source image dimensions may cause failure
- Invalid output_format value (not jpeg/png/webp) returns an error
- Overly complex or contradictory prompts may yield low-quality fills
- Seed out of valid range may cause unexpected behavior
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| mask | string | Mask image (white = fill) Send a public HTTPS URL (recommended; files up to 10 MiB) or base64/data URI. Hosted MPP JSON requests must stay below 8 KiB, so use a URL for larger files. |
| seed | number | Random seed |
| imagerequired | string | Source image Send a public HTTPS URL (recommended; files up to 10 MiB) or base64/data URI. Hosted MPP JSON requests must stay below 8 KiB, so use a URL for larger files. |
| promptrequired | string | Fill prompt |
| grow_mask | number | Expand mask by N pixels |
| output_format | string | jpeg|png|webp |
| negative_prompt | string | Things to exclude |
Tags
image-generationstable-diffusionupscaling3daimedia
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