POST
/
api
/
v1
/
gpt4o-image
/
download-url
Get Direct Download URL
curl --request POST \
  --url https://api.kie.ai/api/v1/gpt4o-image/download-url \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "taskId": "task12345",
  "url": "https://tempfile.aiquickdraw.com/v/xxxxxxx.png"
}'
{
  "code": 200,
  "msg": "success",
  "data": "https://xxxxxx.xxxxxxxx.r2.cloudflarestorage.com/v/xxxxxxx.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Date=20250415T101007Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1200&X-Amz-Credential=2464206aa3e576aa7c035d889be3a84e%2F20250415%2Fapac%2Fs3%2Faws4_request&X-Amz-Signature=122ae8bef09110e620841ab2ef8061c1818e754fc201408a9d1c6847b36fd3df"
}

Authorizations

​
Authorization
string
header
required

All APIs require authentication via Bearer Token.

Get API Key:

  1. Visit API Key Management Page to get your API Key

Usage: Add to request header: Authorization: Bearer YOUR_API_KEY

Note:

  • Keep your API Key secure and do not share it with others
  • If you suspect your API Key has been compromised, reset it immediately in the management page

Body

application/json
​
taskId
string
required

The task ID associated with the image generation

Example:

"task12345"

​
url
string<uri>
required

The original image URL that needs to be converted to a direct download URL

Example:

"https://tempfile.aiquickdraw.com/v/xxxxxxx.png"

Response

Request successful

​
code
enum<integer>

Response Status Codes

  • 200: Success - Request has been processed successfully
  • 401: Unauthorized - Authentication credentials are missing or invalid
  • 404: Not Found - The requested resource or endpoint does not exist
  • 422: Validation Error
    • The request parameters failed validation checks
    • record is null
    • Temporarily supports records within 14 days
    • record result data is blank
    • record status is not success
    • record result data not exist
    • record result data is empty
  • 451: Failed to fetch the image. Kindly verify any access limits set by you or your service provider
  • 455: Service Unavailable - System is currently undergoing maintenance
  • 500: Server Error - An unexpected error occurred while processing the request
Available options:
200,
401,
404,
422,
451,
455,
500
​
msg
string

Error message when code != 200

Example:

"success"

​
data
string

Direct download URL valid for 20 minutes

Example:

"https://xxxxxx.xxxxxxxx.r2.cloudflarestorage.com/v/xxxxxxx.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Date=20250415T101007Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1200&X-Amz-Credential=2464206aa3e576aa7c035d889be3a84e%2F20250415%2Fapac%2Fs3%2Faws4_request&X-Amz-Signature=122ae8bef09110e620841ab2ef8061c1818e754fc201408a9d1c6847b36fd3df"