# Stability AI Upscale Conservative

> Stability AI Upscale Conservative is a paid API for AI agents from Stability AI at stability-ai.mpp.paywithlocus.com, paid per call via MPP, $0.46/call, status unknown (last checked 2026-10-10, last successful call 2026-07-07).

Upscales an image to higher resolution using a conservative AI approach that preserves original details with minimal creative reinterpretation

## Facts

- Endpoint: POST https://stability-ai.mpp.paywithlocus.com/stability-ai/upscale-conservative?utm_source=zero.xyz
- Price: $0.46/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-10
- Last successful call: 2026-07-07
- Success rate: 25% of calls made through Zero
- Rating: 1.5 / 5 from 2 reviews
- Activations on Zero: 4
- Provider: Stability AI
- Docs: https://platform.stability.ai/docs/api-reference
- Website: https://stability.ai
- Tags: image-generation, stable-diffusion, upscaling, 3d, ai, media
- Canonical page: https://www.zero.xyz/c/stability-ai-upscale-conservative-2cab95e9
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_vC1wZWRcOsjA-Lude1zrF

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability stability-ai-upscale-conservative-2cab95e9 -d '<json body>'
```

Example prompt: Can you upscale this image to a higher resolution using the conservative Stability AI upscaler? Here's the image, and the scene shows 'a professional headshot of a person in a blue suit' — keep the creativity low at 0.2 and output it as a PNG.

## When to prefer this

Choose this endpoint over 'Upscale Creative' when you need to enlarge an image while preserving its original content as faithfully as possible, with minimal AI-generated additions or creative reinterpretation. Ideal for product photos, portraits, documents, or any image where fidelity to the source is paramount. Use 'Upscale Creative' when you want the AI to add significant detail and stylistic enhancements beyond the original.

## Known failure modes

- Missing required 'image' field returns 400 validation error
- Missing required 'prompt' field returns 400 validation error
- Invalid image format or corrupted image data causes processing failure
- Creativity value outside 0–1 range may be rejected or clamped
- Unsupported output_format value returns validation error
- Payment failure or insufficient funds returns payment-related error
- Image file too large may exceed size limits and return 413 error

## How this service works

Upscale to 4K preserving original detail with minimal AI changes.

## Output

Returns a high-resolution upscaled version of the input image in the specified format (jpeg, png, or webp), with detail enhancement guided by the prompt and constrained by the creativity level to stay faithful to the original.

## Example request

```json
{
 "seed": 123,
 "image": "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
… (truncated)
```

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "image",
  "prompt"
 ],
 "properties": {
  "seed": {
   "type": "number",
   "description": "Random seed"
  },
  "image": {
   "type": "string",
   "description": "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."
  },
  "prompt": {
   "type": "string",
   "description": "Description of the image content"
  },
  "creativity": {
   "type": "number",
   "description": "Detail enhancement level 0–1 (default 0.35)"
  },
  "output_format": {
   "type": "string",
   "description": "jpeg|png|webp"
  },
  "negative_prompt": {
   "type": "string",
   "description": "Things to exclude"
  }
 },
 "additionalProperties": true
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/stability-ai-upscale-conservative-2cab95e9/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from stability-ai.mpp.paywithlocus.com](https://www.zero.xyz/host/stability-ai.mpp.paywithlocus.com/llms.txt)