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Documentation Index

Fetch the complete documentation index at: https://docs.modelroute.ai/llms.txt

Use this file to discover all available pages before exploring further.

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Getting the file reference

When an execution completes, the result contains file references for any generated files: 
curl -X GET https://api.modelroute.ai/v1/executions/{execution_id} \
  -H "Authorization: Bearer sk_your_api_key_here"

{
  "id": "exec_a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "status": "COMPLETED",
  "result": {
    "file_id": "file_f47ac10b-58cc-4372-a567-0e02b2c3d479",
    "content_type": "image/png",
    "width": 1024,
    "height": 768
  }
}

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Downloading a file

Use the file download endpoint to get a presigned download URL or download directly: 
curl -X GET https://api.modelroute.ai/v1/files/file_f47ac10b-58cc-4372-a567-0e02b2c3d479/download \
  -H "Authorization: Bearer sk_your_api_key_here" \
  -o result.png

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Presigned URL response

{
  "url": "https://storage.modelroute.ai/files/file_f47ac10b...?X-Amz-Signature=...",
  "expires_at": "2026-03-20T11:30:00Z",
  "content_type": "image/png",
  "size_bytes": 1048576
}
FieldDescription
urlPresigned GET URL. Valid for 1 hour.
expires_atWhen the download URL expires
content_typeMIME type of the file
size_bytesFile size in bytes

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Complete end-to-end example

Run an execution and download the result: 
import requests

API_KEY = "sk_your_api_key_here"
BASE = "https://api.modelroute.ai/v1"
HEADERS = {"Authorization": f"Bearer {API_KEY}"}

# 1. Run execution
execution = requests.post(
    f"{BASE}/executions",
    headers=HEADERS,
    json={
        "model": "flux-1.1-pro",
        "input": {"prompt": "A mountain landscape at sunset"}
    }
).json()

# 2. Get the file reference from the result
file_id = execution["result"]["file_id"]

# 3. Download
download = requests.get(
    f"{BASE}/files/{file_id}/download",
    headers=HEADERS
)

with open("landscape.png", "wb") as f:
    f.write(download.content)

print(f"Downloaded {len(download.content)} bytes")

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Error handling

Error codeCause
FILE_NOT_FOUNDThe file reference does not exist or belongs to a different organization
UNAUTHORIZEDInvalid or missing API key