# P Video Replace

P-Video Replace swaps people in a video with reference identity images while keeping the original motion and audio intact. It is ideal for character swaps and identity replacement workflows on each::labs.

## API Information

- **Model Slug:** p-video-replace
- **Branded URL:** https://www.eachlabs.ai/pruna/p-video/p-video-replace
- **Provider:** Pruna AI
- **Category:** Video to Video
- **Output Type:** video
- **Status:** active
- **Base Cost:** $0.03–$0.06 per second, depending on resolution
- **Estimated Processing Time:** 90 seconds
- **Interactive Demo:** https://www.eachlabs.ai/ai-models/p-video-replace

## Pricing

- **Charge Type:** dynamic
- **Estimate:** $0.03–$0.06 per second, depending on resolution
- **Pricing Details:** 1080p: $0.06
- **Pricing Details:** default: $0.03

## Input Schema

| Parameter | Type | Required | Default | Constraints | Description |
|-----------|------|----------|---------|-------------|-------------|
| video | string | Yes | - | - | Source RGB video (.mp4). Used as the motion and audio source. |
| images | array | Yes | - | - | Identity reference image URLs for the people to place into the source video. Provide 1-4 images. |
| resolution | string | No | 720p | 720p, 1080p | Target resolution. 720p: $0.03 per second of output video. 1080p: $0.06 per second of output video. |
| save_audio | boolean | No | true | - | Save the video with audio. |
| target_fps | string | No | original | original, 24, 48 | Target FPS for the working video. Options: original, 24, 48. |
| instruction_prompt | string | No | - | - | Further instruction on how to place people from the reference images into the scene. |
| seed | integer | No | - | 1–2147483647 | Optional random seed for reproducible generation. Random when omitted. |
| disable_safety_checker | boolean | No | false | - | Disable safety checker for generated videos. |

## 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": "p-video-replace",
  "input": {
    "images": [
      "https://cdn-us.eachlabs.ai/defaults/876b3b8014a244929fd2ca11f606a415.jpg"
    ],
    "video": "https://cdn-us.eachlabs.ai/defaults/fc1936b076cb499187409c79561da68d.mp4"
  }
}'
```

## Output Schema

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

```json
{
  "status": "success",
  "predictionID": "string",
  "output": "string (URL of generated video)",
  "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 |

## Overview

**P Video Replace Overview**

P Video Replace is a **Pruna AI** model from the **P-video** family designed for fast, controllable **video-to-video editing** workflows. Built on Pruna AI’s high-speed P-Video technology, it focuses on transforming existing clips rather than generating footage from scratch, giving creators fine-grained control over what changes and what stays the same. This makes P Video Replace ideal for updating objects, styles, or scenes in-place while preserving camera motion, timing, and overall structure. Integrated on each::labs, it gives developers and creative teams an efficient way to automate repetitive video replacement tasks through the P Video Replace API, enabling rapid iteration for social content, product visuals, and motion design pipelines.

## 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.