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Source document in. Filled form out. No typing.

Lido reads a source document, an invoice, a denial letter, a patient record, a shipping document, extracts the fields you need, and fills your target form or template automatically. No copy-paste. No re-keying. No manual review of source files.

  • Any source, any target. Read from PDFs, spreadsheets, or databases. Fill into PDF forms, Word templates, Excel templates, or web form submissions.
  • Handles any form type. Standard fillable PDFs, non-fillable PDFs with positioned text, government forms, payer-specific formats. Lido fills them all.
  • Batch filling at volume. One source document type plus one form template equals an automated pipeline. Process hundreds of form fills per hour without anyone touching them.
Trusted by thousands of finance and operations teams

How auto-fill works in Lido

1

Ingest source documents

Incoming PDFs, scanned documents, or spreadsheet data are picked up from a watched folder, email inbox, or connected drive. Lido queues them for processing automatically.

2

Extract the fields you need

Lido reads each source document and pulls the values that belong on your target form: names, dates, reference numbers, amounts, codes, addresses, any field on any document type.

3

Fill and deliver the output form

Extracted values populate your target form or template. Completed forms are saved as PDFs, routed to your delivery destination, or submitted directly.

Try it free

See this workflow run on your documents

Upload a batch and get structured output in minutes.

Why read-and-retype is the bottleneck in document-heavy workflows

The re-keying tax

Someone opens the source document. They read the patient name, the claim number, the date of service, the CPT codes. They type each one into the target form. They save it. They move to the next one. This is how authorization forms, arbitration requests, payment forms, and compliance filings get done, one at a time, entirely by hand, with errors accumulating at every keystroke.

Lido reads source documents so your team does not have to

Configure the mapping once: which fields from the source document fill which fields on the target form. Lido runs the pipeline on every new document that arrives. Output forms are completed, named, and delivered without anyone reading the source or typing into the target. Your team reviews exceptions, not routine fills.

Lido vs manual form completion

FeatureLidoManual / copy-paste
Read source document and fill target form automatically
Batch-fill hundreds of forms at once
Handle non-fillable PDFs with positioned text placement
Deliver completed forms to destination automatically
Support multiple source-to-target mappings
Fill one form at a time from visible data
Workflow automation

Every re-keying task is a workflow waiting to be automated

If your team reads from one document and types into another, Lido can run that workflow automatically.

Common use cases

Healthcare

Fill prior authorization forms from clinical documents

Read patient demographics, diagnosis codes, and procedure codes from clinical notes or referral PDFs. Auto-populate payer-specific PA request forms, different form per payer, same pipeline.

Legal

Populate arbitration request forms from denial letters

Read denial reason, claim number, date of service, and billed amount from payer denial letters. Fill AR-1 arbitration forms or demand letters automatically for each denial.

Accounts Payable

Fill payment request forms from approved invoices

Read vendor, invoice number, amount, and GL code from approved invoice PDFs. Auto-populate your payment request or wire transfer form for each vendor.

Logistics

Generate delivery receipts from shipping documents

Read shipment details from bills of lading or packing lists. Auto-fill proof of delivery forms or customs entry documents for each shipment.

Stop reading one document to fill another by hand

Try Lido free. Connect a source document type and a form template and watch it run.