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POST
/
mj
/
submit
/
video
cURL
curl https://api.cometapi.com/mj/submit/video \
  -H "Authorization: Bearer $COMETAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "The paper boat drifts slowly forward",
    "motion": "low",
    "image": "https://your-image-host/first-frame.png",
    "videoType": "vid_1.1_i2v_480"
  }'
{
  "code": 123,
  "description": "<string>",
  "result": "<string>",
  "properties": {
    "prompt": "<string>"
  }
}
Use this endpoint to turn a Midjourney image result into a short video render.

​
Before you call it

  • Start from a finished Midjourney image result or a supported image URL
  • Treat the returned task id as the start of an async workflow
  • Expect the finished asset to arrive through the same polling endpoint used by other Midjourney tasks

​
Task flow

1

Submit the video task

Start the render and store the returned task id.
2

Poll until the task finishes

Use Fetch Single Task until the task reaches a terminal state and exposes the final video URL.
3

Persist the output

Move the finished video into your own storage if you need stable retention beyond the provider delivery URL.

Authorizations

​
Authorization
string
header
required

Bearer token authentication. Use your CometAPI key.

Body

application/json
​
motion
enum<string>
default:low
required

Motion intensity of the generated video.

Available options:
low,
high
​
image
string
default:https://your-image-host/source.jpg
required

First-frame image as a public URL or base64-encoded data URI.

​
prompt
string

Text prompt to guide the video generation.

​
action
string

Action to perform on an existing video task. When set, index and taskId are required.

​
index
integer

Zero-based index selecting which video variant to act on from the parent task.

​
taskId
string

Parent task id to continue from. Required when action is set.

​
state
string

Custom state string. Returned as-is in the task result and webhook callback for your own tracking.

​
noStorage
boolean

When true, return the original provider video URL instead of a CometAPI-proxied link.

​
videoType
string

Video model variant, e.g. vid_1.1_i2v_480 (480p) or vid_1.1_i2v_720 (720p).

Response

200 - application/json

Success

​
code
integer
required

Submission status code. 1 = submitted successfully (result carries the task id). 21 = the action opened a confirmation modal; continue with /mj/submit/modal using the returned task id. 4 = parameter error; description explains the cause.

​
description
string
required
​
result
string
required
​
properties
object
required