# Sam 2 Auto Segment

SAM2 Auto Segment creates image segmentation masks from a source image, returning combined and individual masks for object isolation workflows.

## API Information

- **Model Slug:** sam2-auto-segment
- **Branded URL:** https://www.eachlabs.ai/eachlabs/utility-tools/sam2-auto-segment
- **Provider:** each::labs
- **Category:** Image to Image
- **Output Type:** object
- **Status:** active
- **Base Cost:** $0.001 per processing second
- **Estimated Processing Time:** 60 seconds
- **Interactive Demo:** https://www.eachlabs.ai/ai-models/sam2-auto-segment

## Pricing

- **Charge Type:** dynamic
- **Estimate:** $0.001 per processing second
- **Pricing Details:** default: $0.001

## Input Schema

| Parameter | Type | Required | Default | Constraints | Description |
|-----------|------|----------|---------|-------------|-------------|
| image_url | string | Yes | - | - | URL of the image to segment. |
| output_format | string | No | png | png, jpeg | Output mask image format. Default: png. |
| points_per_side | integer | No | 32 | 1–128 | Number of points sampled along each side. Default: 32. |
| pred_iou_thresh | number | No | 0.88 | 0–1 | Predicted IoU threshold for mask filtering. Default: 0.88. |
| stability_score_thresh | number | No | 0.95 | 0–1 | Stability score threshold for mask filtering. Default: 0.95. |
| min_mask_region_area | integer | No | 100 | 0–1000000 | Minimum mask region area in pixels. Default: 100. |

## Example Request

```bash
curl -X POST https://api.eachlabs.ai/v1/prediction/ \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "sam2-auto-segment",
  "input": {
    "image_url": "https://cdn-us.eachlabs.ai/defaults/81e7007d9b8942678c63c3beed4439b2.png"
  }
}'
```

## Output Schema

Response returned by `GET /v1/prediction/{id}` when the job completes:

```json
{
  "status": "success",
  "predictionID": "string",
  "output": "object",
  "metrics": {
    "predict_time": "number (seconds)"
  }
}
```

## Polling

```bash
curl https://api.eachlabs.ai/v1/prediction/{PREDICTION_ID} \
  -H "Authorization: Bearer YOUR_API_KEY"
```

| Status | Meaning |
|--------|---------|
| `processing` | Still running — poll again |
| `success` | Done — read `output` |
| `error` | Failed — read `message` / `details` |

## Webhook (alternative to polling)

Pass `"webhook_url": "https://your.host/path"` in the create request. Eachlabs POSTs this payload when the job ends:

```json
{
  "exec_id": "prediction-uuid",
  "status": "succeeded",
  "output": "https://...",
  "error": ""
}
```

`status` is `"succeeded"` or `"failed"`. `exec_id` equals the `predictionID` from create. Return 2xx within 30 seconds.

## Errors

Error body: `{ "status": "error", "message": "...", "details": "..." }`

| Code | Meaning |
|------|---------|
| `400` | Invalid input |
| `401` | Missing / invalid `Authorization` bearer token |
| `404` | Unknown model or prediction id |
| `429` | Rate limit — 100 creates / min, 10 concurrent per key |
| `5xx` | Retry with backoff |

## Usage Notes

- API Base URL: `https://api.eachlabs.ai/v1`
- Authentication: send `Authorization: Bearer YOUR_API_KEY`. Generate a key from the Eachlabs dashboard at https://www.eachlabs.ai/dashboard/api-keys.
- File-typed parameters (`*_url`, `image_url`, `video_url`, `audio_url`, etc.) accept publicly-reachable HTTPS URLs only. Upload your asset first (GCS / S3 / your CDN) and pass the resulting URL. Data-URIs and localhost URLs are rejected.
- For structured parameters (arrays / objects) send real JSON values, not stringified payloads.
- Monetary values are reported in USD; per-token / per-megapixel rates may be billed in micro-cents internally.
- Prefer `webhook_url` over polling for long-running predictions — see the Webhook Callback section.