PDF Data Extraction • PrefillPDF API
Extract JSON from PDF
Turn PDF content into structured JSON for applications, invoices, bank statements, reports, contracts, and other document workflows.
What you can do with Extract JSON from PDF API
Structured Output
Receive predictable JSON instead of manually copying text from documents.
Developer-Friendly
Send the extracted data directly into your app, database, webhook, or automation.
Reusable Schemas
Define the fields you need and use the same extraction workflow repeatedly.
Faster Review
Validate important document values without reading every PDF manually.
Automation Ready
Route extracted JSON into CRMs, spreadsheets, AI tools, and internal systems.
Secure Processing
Process sensitive documents through a controlled API workflow.
How it works
- 1
Send the PDF
Provide a PDF file or supported document URL to the extraction endpoint.
- 2
Define the expected fields
Specify the values or structure you want returned from the document.
- 3
Run extraction
PrefillPDF analyzes the PDF content and converts the relevant information into JSON.
- 4
Use the JSON
Validate, store, summarize, or route the returned data into your workflow.
Common workflows
Application Intake
Extract applicant, business, address, revenue, and requested amount fields.
Invoice Processing
Capture invoice numbers, vendors, dates, totals, taxes, and line-item data.
Bank Statement Review
Structure account details, balances, deposits, and monthly summaries.
Contract Analysis
Extract parties, effective dates, terms, renewal language, and obligations.
Report Automation
Convert report content into structured metrics for dashboards and analysis.
AI Workflows
Pass clean JSON into AI models instead of sending unstructured PDF text.
Benefits
Reduce manual document review
Create predictable structured output
Improve downstream automation
Simplify validation and routing
Connect PDFs to modern applications
Use one workflow across document types
Related PDF API features
FAQ
What does the PDF to JSON API return?
It returns structured JSON containing the document fields and values identified by your extraction workflow or schema.
Can I choose which fields are extracted?
Yes. You can define the fields and structure required by your application instead of relying only on raw text output.
Can I extract JSON from invoices or applications?
Yes. Common workflows include invoices, applications, contracts, statements, reports, purchase orders, and forms.
Can the JSON be sent into another system?
Yes. You can use the response in your database, CRM, webhook, spreadsheet, no-code workflow, or internal application.
Is this different from extracting plain text?
Yes. Plain-text extraction returns document content as text, while JSON extraction organizes selected values into a structured format that is easier for software to use.
Turn PDF documents into structured JSON
Connect PDF data to your application, database, CRM, or automation workflow without manual copy-paste.