# Minimax Image Subject Reference image to image fal AI 01

Needs prompt and image url.

Minimax Image Subject Reference, served by fal.ai. $0.01 per images One submitted item is offered per call; the exact receipt determines the final charge. Asynchronous: returns a request_id; poll fal/status and fetch fal/result with model "fal-ai/minimax" and that request_id. The exact endpoint/request billing receipt is required before settlement.

- Tool ID: `fal/fal-ai-minimax-image-01-subject-reference`
- Name in the catalog: Minimax Image Subject Reference, image to image
- Provider: [fal.ai](/providers/fal.md)
- Capability: [MiniMax Hailuo](/tools/video-generation/minimax.md)
- Price: $0.01 per call
- Authentication: an authorised Agentik workspace is required for execution, including zero-price tools.

## Pricing contract

The provider’s price, with no markup. Billed for measured usage.


```json
{
  "model": "per_call",
  "amountUsd": 0.01
}
```

Pricing source: [https://fal.ai/models/fal-ai/minimax/image-01/subject-reference/llms.txt](https://fal.ai/models/fal-ai/minimax/image-01/subject-reference/llms.txt). $0.01 per images One submitted item is offered per call; the exact receipt determines the final charge..

Price verification date: 2026-11-03.

## Complete input schema


```json
{
  "type": "object",
  "properties": {
    "image_url": {
      "type": "string",
      "title": "Image Url",
      "description": "URL of the subject reference image to use for consistent character appearance"
    },
    "num_images": {
      "type": "integer",
      "title": "Num Images",
      "maximum": 1,
      "default": 1,
      "minimum": 1,
      "description": "Number of images to generate (1-9)",
      "enum": [
        1
      ]
    },
    "prompt_optimizer": {
      "type": "boolean",
      "title": "Prompt Optimizer",
      "default": false,
      "description": "Whether to enable automatic prompt optimization"
    },
    "aspect_ratio": {
      "type": "string",
      "title": "Aspect Ratio",
      "default": "1:1",
      "enum": [
        "1:1",
        "16:9",
        "4:3",
        "3:2",
        "2:3",
        "3:4",
        "9:16",
        "21:9"
      ],
      "description": "Aspect ratio of the generated image"
    },
    "enable_safety_checker": {
      "type": "boolean",
      "title": "Enable Safety Checker",
      "default": true,
      "description": "Authorized callers may set false to request relaxed screening."
    },
    "prompt": {
      "maxLength": 1500,
      "type": "string",
      "title": "Prompt",
      "minLength": 1,
      "description": "Text prompt for image generation (max 1500 characters)"
    }
  },
  "required": [
    "prompt",
    "image_url"
  ],
  "additionalProperties": false
}
```

## Published example

This is the provider tool’s published example. Replace example values with the user’s requested inputs, respecting the schema; do not execute an example merely to test a connection.


```json
{
  "tool_id": "fal/fal-ai-minimax-image-01-subject-reference",
  "input": {
    "prompt": "A beautiful woman with a crown on her head.",
    "image_url": "https://v3.fal.media/files/koala/hQwSnkWm8FDjou5SwLNuX_c223cf93-0036-4b18-bbea-bf6d0da7f210.png",
    "num_images": 1,
    "prompt_optimizer": false,
    "aspect_ratio": "1:1",
    "enable_safety_checker": true
  }
}
```

## Execute and retrieve

Inspect again before execution, explain the price and obtain the required authority. Use MCP run_tool or POST /v1/run with this tool ID, valid input and an idempotency key. Save the returned run ID and follow the actual state. If Agentik answers that the tool is temporarily unavailable, do not retry it blindly; use discovery to propose an alternative.

This tool uses deferred settlement. Follow its returned task/run instructions; preserve the existing reservation until the result is reconciled.

A partial or uncertain result can still have consumed provider resources. Consult [billing](/docs/billing.md), [idempotency](/docs/idempotency.md) and [asynchronous results](/docs/async.md).

[Provider documentation](https://fal.ai/models/fal-ai/minimax/image-01/subject-reference)

[REST inspection](https://api.agentik.cc/v1/tools/fal/fal-ai-minimax-image-01-subject-reference) · [OpenAPI](/openapi.json) · [Connection guide](/connect.md)

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[HTML page](/providers/fal/fal-ai-minimax-image-01-subject-reference) · [Agent index](/llms.txt)