# PixVerse C1 Image to Video API

> C1 is PixVerse's image-to-video AI model. Bring static images to life with fluid animation, consistent character motion, and professional-grade video output.

Source: https://www.sandbase.ai/models/pixverse/c1/image-to-video
API reference: https://www.sandbase.ai/models/pixverse/c1/image-to-video/docs

## Facts

- Provider: PixVerse
- Type: Video model
- Model ID: `pixverse/c1/image-to-video`
- Price: From $0.25 per run
- Capabilities: image to video
- Billing: pay per use from one SandBase balance; no provider account or subscription needed

## Call it

- Unified Run API: `POST https://api.sandbase.ai/v1/run`

```bash
curl -X POST https://api.sandbase.ai/v1/run \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "pixverse/c1/image-to-video",
  "image": "https://static.sandbase.ai/examples/pixverse/c1/image-to-video/output_url_0.png",
  "prompt": "A woman warrior with her hammer walking with his glacier wolf.",
  "duration": 5,
  "resolution": "720p",
  "generate_audio_switch": false
}'
```

The response returns a run id; poll `GET https://api.sandbase.ai/v1/run/{id}` until the status is `completed` or `failed`.

## FAQ

### How do I call PixVerse C1 Image to Video through SandBase?

Create a SandBase API key, then send requests with the model ID "pixverse/c1/image-to-video" to Unified Run API (/v1/run) at https://api.sandbase.ai. The request examples on this page show the exact payload.

### Do I need a separate PixVerse account?

No. One SandBase API key and balance gives you access to PixVerse C1 Image to Video and the other models in the catalog; you do not need to sign up with PixVerse separately.

## README

### PixVerse C1 Image to Video

PixVerse C1 image-to-video: animate a picture into a 1–15 second clip, with optional generated audio.

#### Fields

| Field | Type | Default | Notes |
|---|---|---|---|
| `prompt` | string, required | — | Text instruction. |
| `image` | image URL, required | — | First frame. JPEG, PNG, or WebP URL. |
| `resolution` | `360p` / `540p` / `720p` / `1080p` | `720p` | Sets the per-second rate. |
| `duration` | integer 1–15 | 5 | Output length in seconds. |
| `generate_audio_switch` | boolean | false | Generate audio; raises the rate. |
| `seed` | integer | random | Fix it to compare prompt changes. |

#### Billing

You pay per output second; the rate depends on resolution and whether audio is on:

| Output | 360p | 540p | 720p | 1080p |
|---|---|---|---|---|
| 5s (default) | $0.15 | $0.20 | $0.25 | $0.475 |
| 10s | $0.30 | $0.40 | $0.50 | $0.95 |
| 5s with audio | $0.20 | $0.25 | $0.325 | $0.60 |

Failed runs are not charged.

#### Prompting

- Describe the motion and camera in one or two sentences.

#### Also on SandBase

Related: `pixverse/v6/image-to-video`.