API reference

extend video

VEO unified video chain · extend an existing video (POST /v1/video/extend); Grok-Video extend uses this route by model.

POST/v1/video/extend

Body Parametersapplication/json

model* string

Model name

parent_post_id string

Parent Post ID (Grok-Video)

prompt string

Extend the description

task_id* string

Original video task ID

Responses

200 The extension task was created successfully application/json

response-200 object

properties

enhanced_prompt string

Optimized prompt words Optimized prompt words

id string

Task ID Task ID

progress oneOf

progress percentage progress percentage

status string

task status task status

status_update_time integer

status update timestamp status update timestamp

video_url string

Video URL (available upon completion) Video URL (available upon completion)

400 Bad request or validation failed application/json

response-400 object

properties

error* object

401 Missing or invalid API Key application/json

response-401 object

Request Body Example

2"model": "grok-video",

3"prompt": "Continue the scene with the eagle landing",

4"task_id": "task_abc123"

Code Sample cURL

1curl -X POST "https://api.digislash.com/v1/video/extend" \

2-H "Authorization: Bearer <API Key>" \

3-H "Content-Type: application/json" \

4-d '{

5"model": "grok-video",

6"prompt": "Continue the scene with the eagle landing",

7"task_id": "task_abc123"

8}'

Response

1▼{

2"enhanced_prompt": "string",

3"id": "string",

4"progress": 0,

5"status": "pending",

6"status_update_time": 0,

7"video_url": "string"