Tutorials
Step-by-step guides for each Contexa API.
Invoice Extraction
Extract structured data from invoices and receipts — line items, totals, vendor info.
1Upload image or PDF
2Get structured JSON
3Use the data
PDF to JSON
Convert any PDF into structured data with typed columns, tables, and sections.
1Send your PDF
2Get tables & sections
3Query the data
PDF to Excel
Extract tables from PDFs into a downloadable Excel file with formatted columns.
1Submit your PDF
2Poll for completion
3Download the .xlsx