Flowchart · DocFields.ai · multi-provider routing
One contract — three engines, one normalized output
NO
YES
NO
YES
Document received
REGEX
Regex parser · 4 detectors
~0 cost · < 50 ms
Critical fields
extracted?
DOC AI
Document AI · 24 processors
DNI · vehicle reg · invoices · contracts
Confidence
≥ threshold?
VISION
Vision · Anthropic | OpenAI
claude-sonnet-4 · gpt-4o · selectable
UNIFY
Normalize + provenance
single shape · provider trace · signature check
Structured payload out
~70% of docs
stop here.
LEGEND
Start / End
Step
Focal decision
Decision
Merge
Convergent output