document-understanding
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- Getting Started
- Examples Using the Document Understanding™ API
- Licensing
- Troubleshooting

Document Understanding API guide
Last updated Apr 6, 2026
Use the Validation Service
Validate the data by using the documentId and the classifierId or the extractorId. By calling this API, a validation task is created in Action Center.
Each action requires one POST and multiple GET calls (due to polling), meaning that if you want to validate a classification result, then you need to do a POST and multiple GET calls. Same applies for validating an extraction result.
When a POST call is initiated you need to add the classificationResults / extractionResults previously received when calling the classifier/extractor in the Request body of the POST request.
Note:
Validation data is soft deleted after 30 days.