# imgnAI Katana - Anima Image Generation

> imgnAI Katana - Anima Image Generation is a paid API for AI agents from kat.imgnai.com, paid per call via x402, $0.0208/call, status unknown (last checked 2026-09-16).

Generates images using the proprietary imgnAI Anima model via a pay-per-call API endpoint

## Facts

- Endpoint: POST https://kat.imgnai.com/v1/images/anima
- Price: $0.0208/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-16
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/imgnai-katana-anima-image-generation-65821c48
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_9GL5K1xVUnEbl_vyNPzfV

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 imgnai-katana-anima-image-generation-65821c48 -d '<json body>'
```

Example prompt: Use imgnAI's Anima model to generate 2 images of a glowing forest spirit at dusk in a 16:9 aspect ratio, and avoid any dark or horror elements.

## When to prefer this

Choose this endpoint when you specifically want imgnAI's proprietary Anima image model, particularly for anime-style or stylized image generation at a low cost of $0.02305 USDC per call. Prefer this over other sibling endpoints when the Anima model's aesthetic output matches your creative requirements.

## Known failure modes

- Missing required prompt field returns validation error
- Invalid aspect_ratio format may produce unexpected results
- Payment failure via x402 protocol causes request rejection
- Model overload or timeout may result in empty responses array
- Invalid client_request_id format may cause tracking issues

## How this service works

Pay-per-call AI gateway: Frontier/SOTA LLM, Image, and Video models - and proprietary low-cost imgnAI models. Includes GPT 5.5, Opus 4.8, GPT Image 2, Nano Banana 2, Seedance 2.0, Happy Horse, and Google Omni. Fully compatible with OpenAPI, HermesOS, and OpenClaw.

## Output

Returns a JSON object containing a status string, a request_id for tracking, and a responses array of objects containing the generated image data.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "prompt"
 ],
 "properties": {
  "prompt": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/imgnai-katana-anima-image-generation-65821c48/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from kat.imgnai.com](https://www.zero.xyz/host/kat.imgnai.com/llms.txt)