Document extraction API

Bloh

Send any document. Get structured data back.

No templates. No training. No setup. Documents processed in memory and discarded — zero retention.

Try it now Read the docs

Live demo

Playground

Upload a document and extract structured data instantly. First 3 extractions free — no API key required.

Drop your document here or click to browse

PDF, JPG, PNG, DOCX, XLSX, PPTX, CSV, TSV — max 20MB

Document type

File: —
Document type: —
Confidence: —
Processing time: —

Process

How it works

Step 1

Upload

Send any PDF, image, or Office file via API or this playground.

Step 2

Extract

Bloh reads the spatial layout and extracts every field with AI.

Step 3

Receive

Get clean, structured JSON back. Every time.

Applications

Use cases

Invoices & Receipts

Vendor, line items, totals, VAT, IBAN — from any layout, any language.

{
  "vendor_name": "Müller GmbH",
  "invoice_number": "2026-0847",
  "gross_amount": 1992.66,
  "currency": "EUR"
}

Contracts & Agreements

Parties, dates, clauses, obligations, governing law — no template needed.

{
  "contract_title": "Service Agreement",
  "effective_date": "2026-01-15",
  "governing_law": "Germany",
  "total_value": 48000
}

ID Documents

Name, DOB, document number, expiry, nationality — passports, licenses, IDs.

{
  "full_name": "Anna Schmidt",
  "document_number": "L01X00T47",
  "date_of_birth": "1990-03-12",
  "expiry_date": "2031-03-11"
}

Bank Statements

Account holder, transactions, balances, dates — any bank, any format.

{
  "account_holder": "Anna Schmidt",
  "opening_balance": 4200.00,
  "closing_balance": 3850.50,
  "currency": "EUR"
}

Differentiators

Why Bloh

Zero retention

Your documents are processed in memory and discarded. Nothing is stored. Ever.

No templates

Works on any document layout without training or configuration. Upload and extract.

EU infrastructure

Hosted in Europe. No data leaves EU servers. GDPR by architecture, not by policy.

Plans

Pricing

	Free	Pro	Max
Pages/month	100	2,000	20,000
API access	Playground only	Yes	Yes
Custom schemas	No	Yes	Yes
Support	Community	Email	Priority
Price	€0	€19/mo	€79/mo
	Start extracting	Get API key	Get API key

Reference

API documentation

Endpoint: POST /extract

Headers: x-api-key: bloh_your_api_key

Content-Type: multipart/form-data

Body:

file (required): Your document
document_type (optional): "invoice" | "receipt" | "contract" | "id_document" | "bank_statement" | "auto"
schema (optional): JSON string with custom fields — see format

cURL Python Node.js

curl -X POST https://api.bloh.dev/extract \
  -H "x-api-key: bloh_your_api_key" \
  -F "file=@invoice.pdf" \
  -F "document_type=invoice"

# pip install requests
import requests

with open("invoice.pdf", "rb") as f:
    response = requests.post(
        "https://api.bloh.dev/extract",
        headers={"x-api-key": "bloh_your_api_key"},
        files={"file": f},
        data={"document_type": "invoice"},
    )

print(response.json())

import fs from "node:fs";

const form = new FormData();
form.append("file", new Blob([fs.readFileSync("invoice.pdf")]));
form.append("document_type", "invoice");

const res = await fetch("https://api.bloh.dev/extract", {
  method: "POST",
  headers: { "x-api-key": "bloh_your_api_key" },
  body: form,
});

console.log(await res.json());

Full documentation — error codes, rate limits, response schemas, and more

Workflows

Integrations

Zapier

Coming soon

Make.com

Coming soon

n8n

Coming soon

Bloh works as a step in your automation workflows. Extract document data and send it anywhere.