A. Use the AnalyzeDocument API action. Set the FeatureTypes parameter to SIGNATURES. Return the confidence scores for each page.
B. Use the Prediction API call on the documents. Return the signatures and confidence scores for each page.
C. Use the StartDocumentAnalysis API action to detect the signatures. Return the confidence scores for each page.
D. Use the GetDocumentAnalysis API action to detect the signatures. Return the confidence scores for each page.

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