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Document Tampering Detection
ImageFraud Detection

Document Tampering Detection

Detect manipulation and forgery in document images

Accuracy
94.5%
Avg. Speed
180ms
Per Request
$0.0075
API Name
document-tampering

API Reference

Version
2601
Jan 3, 2026
Avg. Processing
180ms
Per Request
$0.0075
Required Plan
trial

Input Parameters

Detects tampering and manipulation in document images (identity verification)

image_urlstringRequired

URL of document image to check for tampering

Example:
https://example.com/document.jpg

Response Fields

Document tampering detection with suspicious region locations

tamperedboolean

True if manipulation detected

Example:
false
num_regionsinteger

Number of suspicious regions found

Example:
0
regionsarray

Bounding boxes for tampered areas

Example:
[ { "x": 100, "y": 150, "width": 200, "height": 100, "confidence": 0.87 } ]
image_sizeobject

Original image dimensions

Example:
{ "width": 1920, "height": 1080 }

Complete Example

Request

{
  "model": "document-tampering",
  "image_url": "https://example.com/document.jpg"
}

Response

{
  "success": true,
  "data": {
    "tampered": false,
    "num_regions": 0,
    "regions": [],
    "image_size": {
      "width": 1920,
      "height": 1080
    }
  }
}

Additional Information

Rate Limiting
If we throttle your request, you will receive a 429 HTTP error code along with an error message. You should then retry with an exponential back-off strategy, meaning that you should retry after 4 seconds, then 8 seconds, then 16 seconds, etc.
Supported Formats
jpeg, jpg, png, webp
Maximum File Size
20MB
Tags:tamperingforgerydocumentidentity-verification

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