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Invoice Data Extraction API for developers

Extract structured data from invoices, receipts, and financial documents using AI. Define your JSON schema and get perfectly formatted data.

  • Custom JSON Schema – Define any data structure you need - the AI extracts information to match your exact schema
  • Multiple Format Support – Extract data from PDFs, Word documents (DOCX), and image files (PNG, JPG) with consistent accuracy
  • Simple Integration – Clean REST API and TypeScript SDK for easy integration into any application
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Trusted by

Research Kick

Research Kick

ChatAcademia

ChatAcademia

ReadBack

ReadBack

RabbitHoles

RabbitHoles

Easy to use APIs

Use our simple APIs directly or our TypeScript SDK with just a few lines of code.

Invoice Extract

API Docs
import { PDFVector } from "pdfvector";

const client = new PDFVector({
  apiKey: "pdfvector_xxxxxxx"
});

// From URL
const results = await client.invoiceExtract({
  url: "https://example.com/invoice.pdf",
  prompt: "Extract all invoice details",
  schema: {
    type: "object",
    properties: {
      invoiceNumber: { type: "string" },
      date: { type: "string" },
      totalAmount: { type: "number" },
      items: {
        type: "array",
        items: {
          type: "object",
          properties: {
            description: { type: "string" },
            quantity: { type: "number" },
            unitPrice: { type: "number" }
          }
        }
      }
    }
  }
});

// From file
import { readFile } from "fs/promises";
const results = await client.invoiceExtract({
  data: await readFile("invoice.pdf"),
  contentType: "application/pdf",
  prompt: "Extract all invoice details",
  schema: {
    type: "object",
    properties: {
      invoiceNumber: { type: "string" },
      date: { type: "string" },
      totalAmount: { type: "number" },
      items: {
        type: "array",
        items: {
          type: "object",
          properties: {
            description: { type: "string" },
            quantity: { type: "number" },
            unitPrice: { type: "number" }
          }
        }
      }
    }
  }
});

What people are saying

See how PDF Vector is helping teams improve their document processing workflows

Abdo El-Mobayad

“Can't recommend PDF Vector enough! It boosts your AI workflow accuracy to 100% while dropping your costs! Especially if you're a T4 Org in the $150/m spend range!”

— Abdo El-Mobayad

Trent

“Gotta give a shoutout to PDF Vector team for helping me set up PDF Vector for a project. They even delivered on a feature request before I purchased. Incredible customer service. 👏”

— Trent

Praneeth Pike

“Been implementing RAG and changing a lot of things under the hood for @rabbitholesai, came across PDF Vector and it was a huge time saver. I got a document parsing solution for the rag pipeline within minutes! one less thing to worry about”

— Praneeth Pike

Extract Structured Data from Invoices

Extract structured data from invoices using AI. Define your own JSON schema and get perfectly formatted data that matches your exact requirements.

Get started

AI-Powered Extraction

Advanced AI understands invoice layouts, line items, and financial data to extract information accurately into your custom schema.

Custom JSON Schema

Define any JSON schema structure you need. Extract nested objects, arrays, specific fields, or complex financial data structures.

Database-Ready Output

Get structured data that's ready to insert into your database, process in your application, or integrate with your existing systems.

Financial Document Expertise

Specialized for invoices, receipts, expense reports, and bank statements. Handles tables, line items, totals, and complex financial layouts.

Example Output

Real examples of structured data extracted from invoices and financial documents based on custom JSON schemas

Original Document

Invoice

Output

AI-generated answer to your question

Question

Extract all invoice details

Schema

{
  "type": "object",
  "properties": {
    "invoiceNumber": {
      "type": "string"
    },
    "totalAmount": {
      "type": "number"
    },
    "invoiceDate": {
      "type": "string"
    }
  }
}

Answer

{
  "data": {
    "invoiceNumber": "0216-00047814",
    "totalAmount": 123155.08,
    "invoiceDate": "17/9/2025"
  },
  "pageCount": 1,
  "creditCount": 6
}

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Ready to Structure Your Invoice Data?

Transform unstructured invoices into structured data for your applications. Define your schema and get perfectly formatted JSON in minutes.

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No setup fees • Integrate in minutes • Cancel anytime

Everything you need for document processing

Transform any document into clean text. Extract structured data from PDFs, Word files, Excel spreadsheets, and images with precision and speed. Also search 5M+ academic papers and fetch papers by paper IDs.

Document

Parse PDF

Convert PDF document to clean, structured markdown.

Parse Word

Convert Word document to clean, structured markdown.

Parse Image

Convert image file to clean, structured markdown.

Parse Excel

Convert Excel spreadsheet to clean, structured markdown.

Ask PDF

Ask questions about PDF document and get answers in markdown format.

Ask Word

Ask questions about Word document and get answers in markdown format.

Ask Image

Ask questions about image and get answers in markdown format.

Ask Excel

Ask questions about Excel spreadsheet and get answers in markdown format.

Extract PDF

Turn PDF document into structured data with custom fields.

Extract Word

Turn Word document into structured data with custom fields.

Extract Image

Turn image into structured data with custom fields.

Extract Excel

Turn Excel spreadsheet into structured data with custom fields.

List Images

List images from PDF and Word document.

Invoice

Parse Invoice

Convert invoice document to clean, structured markdown.

Ask Invoice

Ask questions about invoice document and get answers in markdown format.

Extract Invoice

Turn invoice document into structured data with custom fields.

Bank Statement

Convert Bank Statement

Convert bank statement document to Excel, CSV or Markdown format

Academic

Search Academic Papers

Search across PubMed, Semantic Scholar, ArXiv, Google Scholar, ERIC, Europe PMC, and OpenAlex databases

Fetch Academic Papers

Fetch academic papers using DOI or any IDs of any academic database.

Get started for free today

No setup fees • Integrate in minutes • Cancel anytime

Frequently asked questions