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Technical Specifications

The items described below are the maximum technical limits of Copyleaks.

Definition of a Page
Page in Copyleaks API: We define a page in our systems as a document with up to 250 words. For example, a document with 251 words will need 2 credits for a complete scan.
Supported File Types:
Supported File Types:
TypeFile Types List
Textual:
Non-Textual:
Source code:
You can access this list programmatically, for more info click here .
Supported Textual File Types: The supported online format are all supported file types are also supported when online. Submitted by URL.
Supported Image Types (OCR):

You can access this list programmatically, for more info click here .

Input Limits
Supported Languages: All languages supported by Unicode. Including English, Spanish, French, Portuguese, Arabic, Russian, German, Greek, Chinese, Japanese, and more. More information here .
Supported OCR Languages: See full list here .
Supported Cross Languages: See full list here .
Maximum Document Length:The maximum length allowed is 2000 pages (500K words)
File Size:
DescriptionMax Upload File Size
HTML files ( html , htm , ...) 5 MB
Text files ( txt , csv ) and source-code. 3 MB
Non-Textual Documents ( pdf , doc , docx , ...) 25 MB
Image Types ( jpg , png , bmp , ...) 25 MB
Api Rate Limits

10 requests per account/second. To avoid exceeding the rate limit use the Export endpoint to send less requests when downloading the scan data to your servers. If you still need higher rates, please contact us .

Rate Limit Exceeded
If your host has reached its API limit, you will receive the HTTP error 403 (Forbidden) and you will be unable to authenticate with the Copyleaks API for 5 minutes.
Under Maintenance

When our servers are under maintenance you will receive a 503 HTTP status code. Please wait a full minute and try again.

For more information about the service status - Copyleaks System Status .

Time
Scans Lifetime:

Your created scans will be stored in Copyleaks servers for a specific duration of time. Make sure you save your data before it expires.

Max Expiration (hours)Default Expiration (hours)
28802880
Time Formatdd/MM/yyyy HH:mm:ss
Time ZoneUTC
Default HTTP Request Timeout110 seconds
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