Document Ingestion

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What is Document Ingestion

Document ingestion is the automated intake and normalization of documents from multiple input sources into a processing system, preparing them for classification, extraction, and downstream handling.

How document ingestion works

Ingestion handles the channel diversity of the real-world document workflows. Input sources include:

Email attachments in multiple formats
Fax transmissions
API payloads
Portal uploads
Cloud storage syncs
EDI feeds

Each of these channels may deliver documents that require consistent handling regardless of their origin.

Document ingestion vs. Document capture

Document capture is about acquiring documents into the system, while document ingestion is about normalizing the heterogeneity across multi-channel inputs before processing begins.

Aspect	Document Ingestion	Document Capture
Focus	Handles multi-channel normalization across diverse input sources	Focuses on the initial acquisition of documents
Input channels	Accepts documents from email, fax, API payloads, portal uploads, cloud storage syncs, and EDI feeds	Typically handles a single or limited number of input channels
Format handling	Normalizes documents delivered in different formats, quality levels, and packaging	Captures documents in their original format
Document separation	Separates and individually classifies multiple documents from a single input, such as an email with multiple attachments	Generally, treats each captured document as a single unit
Pipeline role	Resolves heterogeneity before the processing pipeline begins	Feeds into the ingestion or processing stage