# Grok Imagine API

> Grok Imagine — high-quality AI video generation.

- **Provider**: Grok
- **Model id**: `grok-imagine-extend`
- **Modality**: video
- **Price**: 21.12–31.68 credits

## Overview

Grok Imagine is called in two steps: create a generation task, then poll the task until the result is ready.

## Authentication

All requests require a Bearer Token in the request header:

```
Authorization: Bearer YOUR_API_KEY
```

## Create Task

`POST https://you.bot/api/v1/generate`

| Parameter | Type | Required | Description |
|-----------|------|----------|-------------|
| modelId | string | Yes | Model id: `grok-imagine-extend` |
| input | object | Yes | Input parameters object (see below) |
| callbackUrl | string | No | https URL we POST the finished task to. Signed with `X-Webhook-Signature` once you create a webhook signing key in Dashboard → Settings |

### input object parameters

| Parameter | Type | Required | Description |
|-----------|------|----------|-------------|
| task_id | string | Yes | supports only you.bot AI–generated taskid Max 100 characters. |
| prompt | string | Yes | The text prompt describing the desired video motion Max 5000 characters. (example: A potter's hands draw a spinning lump of clay upward into a tall vessel, water glistening on the walls as the camera orbits slowly around the wheel and… — full value in the request example) |
| extend_at | number | Yes | Extension start time must be at least 2 seconds. (default: 2) |
| extend_times | string | Yes | Extended duration (options: 6 \| 10) (default: 6) |

### Request example

```json
{
  "modelId": "grok-imagine-extend",
  "input": {
    "task_id": "example",
    "prompt": "A potter's hands draw a spinning lump of clay upward into a tall vessel, water glistening on the walls as the camera orbits slowly around the wheel and afternoon light rakes across a dusty workshop.",
    "extend_at": 2,
    "extend_times": "6"
  }
}
```

### Response example

```json
{
  "taskId": "281e5b0…f39b9",
  "creditsCharged": 21.12
}
```

## Query Task

`GET https://you.bot/api/v1/task/{taskId}?model=grok-imagine-extend`

When `state` is `success`, the output is in `resultUrls`: `{ "state": "success", "resultUrls": [ ... ] }`. (Text models return inline in the create response.)

## Error Codes

| Code | Description |
|------|-------------|
| 200 | Request successful |
| 400 | Invalid request parameters |
| 401 | Authentication failed — check API Key |
| 402 | Insufficient account balance |
| 403 | IP not allowed for this key, or the key is restricted to other models |
| 404 | Task not found, or it has expired |
| 409 | Duplicate request — an identical submit arrived moments ago. Nothing was charged; retry is safe |
| 413 | Payload too large — see the character and file-size limits for this model |
| 429 | Rate limit exceeded — retry after the Retry-After header |
| 500 | Internal server error |
| 504 | Upstream timed out — nothing was delivered; retry is safe |