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Stability AI Replace Background and Relight
image-generationstable-diffusionupscaling3daimedia
Stability AI Replace Background and Relight is a paid API for AI agents from Stability AI at stability-ai.mpp.paywithlocus.com, paid per call via MPP, $0.092/call, status unknown (last checked 2026-10-12).
Replaces the background of a subject image and applies directional relighting using a text prompt or reference image
Price / call$0.092
Success0%
StatusUnknown
How this service works
Replace the background of a subject image and adjust lighting. Returns async ID — poll /results/{id}.
Output
Returns a new image file (JPEG, PNG, or WebP) where the subject from the input image has been composited onto a newly generated or referenced background, with lighting adjusted according to the specified direction and strength.
Example use cases
Example prompt
“Take this product photo and replace the background with a cozy coffee shop interior — light coming from the left at about 0.8 strength — and return it as a PNG.”
Technical details
Endpoint
POSThttps://stability-ai.mpp.paywithlocus.com/stability-ai/replace-background-and-relight?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to both replace a background AND apply coherent relighting to match the new scene — ideal for product photography, e-commerce, portrait editing, or marketing assets where lighting consistency between subject and background is critical. Prefer over simple background removal tools when the output image needs realistic lighting integration.
Side effects
- Missing subject_image returns 400 validation error
- Invalid output_format value returns 400 error
- Background prompt too vague may produce irrelevant background
- Light source strength outside 0–1 range returns validation error
- Low-quality or ambiguous subject image may produce poor cutout/compositing
- Unsupported image format for subject_image returns error
- Seed out of valid range returns error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| seed | number | Random seed |
| output_format | string | jpeg|png|webp |
| subject_imagerequired | string | Foreground subject 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. |
| background_prompt | string | Text description of the new background |
| foreground_prompt | string | Description of the foreground subject |
| background_reference | string | Reference image for the new background 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. |
| light_source_strength | number | Light intensity 0–1 |
| light_source_direction | string | left|right|above|below |
Tags
image-generationstable-diffusionupscaling3daimedia
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