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POST
grok-imagine-video-1.5-preview Interface

Authorizations

Authorization
string
header
required

##All APIs require Bearer Token authentication##

Get API Key:

Visit API Key Management Page to get your API Key

Add to request header:

Body

application/json
model
enum<string>
default:grok-imagine-video-1.5-preview
required

Model name

Available options:
grok-imagine-video-1.5-preview
Example:

"grok-imagine-video-1.5-preview"

prompt
string
required

Video description prompt (required, cannot be empty)

Length limit: Up to 4096 characters

Example:

"The person starts dancing"

image_urls
string<uri>[]
required

Reference image URL (this model is image-to-video, required)

Requirements:

  • Supports only 1 image
  • Image size: max 10MB
  • Supported formats: JPEG, PNG, WebP
Required array length: 1 element
Example:
duration
integer
default:6

Video duration (seconds), any integer between 1 and 15 seconds

Required range: 1 <= x <= 15
Example:

6

aspect_ratio
enum<string>
default:16:9

Aspect ratio

Options:

  • 16:9: Landscape (default)
  • 9:16: Portrait
  • 1:1: Square
  • 4:3: Landscape 4:3
  • 3:4: Portrait 3:4
  • 3:2: Landscape 3:2
  • 2:3: Portrait 2:3
Available options:
16:9,
9:16,
1:1,
4:3,
3:4,
3:2,
2:3
Example:

"16:9"

quality
enum<string>
default:480p

Video resolution, default is 480p

Description:

  • 480p: Standard definition (default)
  • 720p: High definition
Available options:
480p,
720p
Example:

"480p"

callback_url
string<uri>

HTTPS callback URL after task completion

Callback Timing:

  • Triggered when task is completed, failed, or cancelled
  • Sent after billing confirmation

Security Restrictions:

  • Only HTTPS protocol supported
  • Callback to internal IPs prohibited (127.0.0.1, 10.x.x.x, 172.16-31.x.x, 192.168.x.x, etc.)
  • URL length must not exceed 2048 characters

Callback Mechanism:

  • Timeout: 10 seconds
  • Max 3 retries on failure (after 1/2/4 seconds)
  • Response format matches task query API
  • 2xx status code = success, others trigger retry
Example:

"https://your-domain.com/webhooks/video-task-completed"

Response

Video task created successfully

created
integer

Task creation timestamp

Example:

1757169743

id
string

Task ID

Example:

"task-unified-1757169743-7cvnl5zw"

model
string

Actual model name used

Example:

"grok-imagine-video-1.5-preview"

object
enum<string>

Specific task type

Available options:
video.generation.task
progress
integer

Task progress percentage (0-100)

Required range: 0 <= x <= 100
Example:

0

status
enum<string>

Task status

Available options:
pending,
processing,
completed,
failed
Example:

"pending"

task_info
object

Video task detailed information

type
enum<string>

Task output type

Available options:
text,
image,
audio,
video
Example:

"video"

usage
object

Usage and billing information