Request
curl -X POST https://api.iterationlayer.com/document-extraction/v1/extract \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"files": [
{
"type": "url",
"name": "quittung.pdf",
"url": "https://example.com/documents/quittung-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "receipt_number",
"type": "TEXT",
"description": "Receipt number or Belegnummer"
},
{
"name": "issuer_name",
"type": "TEXT",
"description": "Issuer or merchant name"
},
{
"name": "issuer_address",
"type": "ADDRESS",
"description": "Issuer address"
},
{
"name": "payer_name",
"type": "TEXT",
"description": "Payer or customer name if shown"
},
{
"name": "receipt_date",
"type": "DATE",
"description": "Receipt date"
},
{
"name": "payment_method",
"type": "TEXT",
"description": "Payment method"
},
{
"name": "items",
"type": "ARRAY",
"description": "Purchased goods or services",
"fields": [
{
"name": "description",
"type": "TEXT",
"description": "Item or service description"
},
{
"name": "amount",
"type": "CURRENCY_AMOUNT",
"description": "Line amount"
}
]
},
{
"name": "net_amount",
"type": "CURRENCY_AMOUNT",
"description": "Net amount"
},
{
"name": "vat_amount",
"type": "CURRENCY_AMOUNT",
"description": "VAT amount"
},
{
"name": "total_amount",
"type": "CURRENCY_AMOUNT",
"description": "Total amount paid"
},
{
"name": "currency",
"type": "CURRENCY_CODE",
"description": "Currency code"
}
]
}
}'Response
{
"success": true,
"data": {
"receipt_number": {
"value": "Receipt Number",
"confidence": 0.97,
"citations": [
"RECEIPT NUMBER"
]
},
"issuer_name": {
"value": "Issuer Name",
"confidence": 0.97,
"citations": [
"ISSUER NAME"
]
},
"issuer_address": {
"value": {
"street": "100 Market Street",
"city": "Berlin",
"postal_code": "10115",
"country": "DE"
},
"confidence": 0.97,
"citations": [
"ISSUER ADDRESS"
]
},
"payer_name": {
"value": "Payer Name",
"confidence": 0.97,
"citations": [
"PAYER NAME"
]
},
"receipt_date": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"payment_method": {
"value": "Payment Method",
"confidence": 0.97,
"citations": [
"PAYMENT METHOD"
]
},
"items": {
"value": [
{
"description": {
"value": "Description",
"confidence": 0.96,
"citations": [
"DESCRIPTION"
]
},
"amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.96,
"citations": [
"1,234.56"
]
}
}
],
"confidence": 0.97,
"citations": [
"ITEMS"
]
},
"net_amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"vat_amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"total_amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"currency": {
"value": "EUR",
"confidence": 0.97,
"citations": [
"CURRENCY"
]
}
}
}Request
import { IterationLayer } from "iterationlayer";
const client = new IterationLayer({ apiKey: "YOUR_API_KEY" });
const result = await client.extractDocument({
"files": [
{
"type": "url",
"name": "quittung.pdf",
"url": "https://example.com/documents/quittung-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "receipt_number",
"type": "TEXT",
"description": "Receipt number or Belegnummer"
},
{
"name": "issuer_name",
"type": "TEXT",
"description": "Issuer or merchant name"
},
{
"name": "issuer_address",
"type": "ADDRESS",
"description": "Issuer address"
},
{
"name": "payer_name",
"type": "TEXT",
"description": "Payer or customer name if shown"
},
{
"name": "receipt_date",
"type": "DATE",
"description": "Receipt date"
},
{
"name": "payment_method",
"type": "TEXT",
"description": "Payment method"
},
{
"name": "items",
"type": "ARRAY",
"description": "Purchased goods or services",
"fields": [
{
"name": "description",
"type": "TEXT",
"description": "Item or service description"
},
{
"name": "amount",
"type": "CURRENCY_AMOUNT",
"description": "Line amount"
}
]
},
{
"name": "net_amount",
"type": "CURRENCY_AMOUNT",
"description": "Net amount"
},
{
"name": "vat_amount",
"type": "CURRENCY_AMOUNT",
"description": "VAT amount"
},
{
"name": "total_amount",
"type": "CURRENCY_AMOUNT",
"description": "Total amount paid"
},
{
"name": "currency",
"type": "CURRENCY_CODE",
"description": "Currency code"
}
]
}
});Response
{
"success": true,
"data": {
"receipt_number": {
"value": "Receipt Number",
"confidence": 0.97,
"citations": [
"RECEIPT NUMBER"
]
},
"issuer_name": {
"value": "Issuer Name",
"confidence": 0.97,
"citations": [
"ISSUER NAME"
]
},
"issuer_address": {
"value": {
"street": "100 Market Street",
"city": "Berlin",
"postal_code": "10115",
"country": "DE"
},
"confidence": 0.97,
"citations": [
"ISSUER ADDRESS"
]
},
"payer_name": {
"value": "Payer Name",
"confidence": 0.97,
"citations": [
"PAYER NAME"
]
},
"receipt_date": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"payment_method": {
"value": "Payment Method",
"confidence": 0.97,
"citations": [
"PAYMENT METHOD"
]
},
"items": {
"value": [
{
"description": {
"value": "Description",
"confidence": 0.96,
"citations": [
"DESCRIPTION"
]
},
"amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.96,
"citations": [
"1,234.56"
]
}
}
],
"confidence": 0.97,
"citations": [
"ITEMS"
]
},
"net_amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"vat_amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"total_amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"currency": {
"value": "EUR",
"confidence": 0.97,
"citations": [
"CURRENCY"
]
}
}
}Request
from iterationlayer import IterationLayer
client = IterationLayer(api_key="YOUR_API_KEY")
result = client.extract_document(**{
"files": [
{
"type": "url",
"name": "quittung.pdf",
"url": "https://example.com/documents/quittung-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "receipt_number",
"type": "TEXT",
"description": "Receipt number or Belegnummer"
},
{
"name": "issuer_name",
"type": "TEXT",
"description": "Issuer or merchant name"
},
{
"name": "issuer_address",
"type": "ADDRESS",
"description": "Issuer address"
},
{
"name": "payer_name",
"type": "TEXT",
"description": "Payer or customer name if shown"
},
{
"name": "receipt_date",
"type": "DATE",
"description": "Receipt date"
},
{
"name": "payment_method",
"type": "TEXT",
"description": "Payment method"
},
{
"name": "items",
"type": "ARRAY",
"description": "Purchased goods or services",
"fields": [
{
"name": "description",
"type": "TEXT",
"description": "Item or service description"
},
{
"name": "amount",
"type": "CURRENCY_AMOUNT",
"description": "Line amount"
}
]
},
{
"name": "net_amount",
"type": "CURRENCY_AMOUNT",
"description": "Net amount"
},
{
"name": "vat_amount",
"type": "CURRENCY_AMOUNT",
"description": "VAT amount"
},
{
"name": "total_amount",
"type": "CURRENCY_AMOUNT",
"description": "Total amount paid"
},
{
"name": "currency",
"type": "CURRENCY_CODE",
"description": "Currency code"
}
]
}
})Response
{
"success": true,
"data": {
"receipt_number": {
"value": "Receipt Number",
"confidence": 0.97,
"citations": [
"RECEIPT NUMBER"
]
},
"issuer_name": {
"value": "Issuer Name",
"confidence": 0.97,
"citations": [
"ISSUER NAME"
]
},
"issuer_address": {
"value": {
"street": "100 Market Street",
"city": "Berlin",
"postal_code": "10115",
"country": "DE"
},
"confidence": 0.97,
"citations": [
"ISSUER ADDRESS"
]
},
"payer_name": {
"value": "Payer Name",
"confidence": 0.97,
"citations": [
"PAYER NAME"
]
},
"receipt_date": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"payment_method": {
"value": "Payment Method",
"confidence": 0.97,
"citations": [
"PAYMENT METHOD"
]
},
"items": {
"value": [
{
"description": {
"value": "Description",
"confidence": 0.96,
"citations": [
"DESCRIPTION"
]
},
"amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.96,
"citations": [
"1,234.56"
]
}
}
],
"confidence": 0.97,
"citations": [
"ITEMS"
]
},
"net_amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"vat_amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"total_amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"currency": {
"value": "EUR",
"confidence": 0.97,
"citations": [
"CURRENCY"
]
}
}
}Request
package main
import il "github.com/iterationlayer/sdk-go"
func main() {
client := il.NewClient("YOUR_API_KEY")
result, err := client.ExtractDocument(il.ExtractDocumentRequest{
Files: []il.FileInput{
il.FileInput{
Type: "url",
Name: "quittung.pdf",
Url: "https://example.com/documents/quittung-sample.pdf",
},
},
Schema: il.ExtractionSchema{
Fields: []any{
il.TextFieldConfig{
Name: "receipt_number",
Type: "TEXT",
Description: "Receipt number or Belegnummer",
},
il.TextFieldConfig{
Name: "issuer_name",
Type: "TEXT",
Description: "Issuer or merchant name",
},
il.AddressFieldConfig{
Name: "issuer_address",
Type: "ADDRESS",
Description: "Issuer address",
},
il.TextFieldConfig{
Name: "payer_name",
Type: "TEXT",
Description: "Payer or customer name if shown",
},
il.DateFieldConfig{
Name: "receipt_date",
Type: "DATE",
Description: "Receipt date",
},
il.TextFieldConfig{
Name: "payment_method",
Type: "TEXT",
Description: "Payment method",
},
il.ArrayFieldConfig{
Name: "items",
Type: "ARRAY",
Description: "Purchased goods or services",
Fields: []any{
il.TextFieldConfig{
Name: "description",
Type: "TEXT",
Description: "Item or service description",
},
il.CurrencyAmountFieldConfig{
Name: "amount",
Type: "CURRENCY_AMOUNT",
Description: "Line amount",
},
},
},
il.CurrencyAmountFieldConfig{
Name: "net_amount",
Type: "CURRENCY_AMOUNT",
Description: "Net amount",
},
il.CurrencyAmountFieldConfig{
Name: "vat_amount",
Type: "CURRENCY_AMOUNT",
Description: "VAT amount",
},
il.CurrencyAmountFieldConfig{
Name: "total_amount",
Type: "CURRENCY_AMOUNT",
Description: "Total amount paid",
},
il.CurrencyCodeFieldConfig{
Name: "currency",
Type: "CURRENCY_CODE",
Description: "Currency code",
},
},
},
})
if err != nil {
panic(err)
}
_ = result
}Response
{
"success": true,
"data": {
"receipt_number": {
"value": "Receipt Number",
"confidence": 0.97,
"citations": [
"RECEIPT NUMBER"
]
},
"issuer_name": {
"value": "Issuer Name",
"confidence": 0.97,
"citations": [
"ISSUER NAME"
]
},
"issuer_address": {
"value": {
"street": "100 Market Street",
"city": "Berlin",
"postal_code": "10115",
"country": "DE"
},
"confidence": 0.97,
"citations": [
"ISSUER ADDRESS"
]
},
"payer_name": {
"value": "Payer Name",
"confidence": 0.97,
"citations": [
"PAYER NAME"
]
},
"receipt_date": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"payment_method": {
"value": "Payment Method",
"confidence": 0.97,
"citations": [
"PAYMENT METHOD"
]
},
"items": {
"value": [
{
"description": {
"value": "Description",
"confidence": 0.96,
"citations": [
"DESCRIPTION"
]
},
"amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.96,
"citations": [
"1,234.56"
]
}
}
],
"confidence": 0.97,
"citations": [
"ITEMS"
]
},
"net_amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"vat_amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"total_amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"currency": {
"value": "EUR",
"confidence": 0.97,
"citations": [
"CURRENCY"
]
}
}
}Template
{
"name": "Extract Quittung Data",
"nodes": [
{
"parameters": {
"content": "## Extract Quittung Data\n\nFinance teams use this recipe to extract German Quittung fields into structured receipt records for expense, tax, and accounting workflows.\n\n**Note:** This workflow uses the Iteration Layer community node (`n8n-nodes-iterationlayer`). Install it via Settings > Community Nodes on self-hosted n8n, or add it directly on n8n Cloud with Verified Community Nodes enabled.",
"height": 280,
"width": 500,
"color": 2
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
200,
40
],
"id": "extract-quittung-data-overview",
"name": "Overview"
},
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
250,
300
],
"id": "extract-quittung-data-trigger",
"name": "Manual Trigger"
},
{
"parameters": {
"resource": "documentExtraction",
"schemaInputMode": "rawJson",
"schemaJson": "{\n \"fields\": [\n {\n \"name\": \"receipt_number\",\n \"type\": \"TEXT\",\n \"description\": \"Receipt number or Belegnummer\"\n },\n {\n \"name\": \"issuer_name\",\n \"type\": \"TEXT\",\n \"description\": \"Issuer or merchant name\"\n },\n {\n \"name\": \"issuer_address\",\n \"type\": \"ADDRESS\",\n \"description\": \"Issuer address\"\n },\n {\n \"name\": \"payer_name\",\n \"type\": \"TEXT\",\n \"description\": \"Payer or customer name if shown\"\n },\n {\n \"name\": \"receipt_date\",\n \"type\": \"DATE\",\n \"description\": \"Receipt date\"\n },\n {\n \"name\": \"payment_method\",\n \"type\": \"TEXT\",\n \"description\": \"Payment method\"\n },\n {\n \"name\": \"items\",\n \"type\": \"ARRAY\",\n \"description\": \"Purchased goods or services\",\n \"fields\": [\n {\n \"name\": \"description\",\n \"type\": \"TEXT\",\n \"description\": \"Item or service description\"\n },\n {\n \"name\": \"amount\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Line amount\"\n }\n ]\n },\n {\n \"name\": \"net_amount\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Net amount\"\n },\n {\n \"name\": \"vat_amount\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"VAT amount\"\n },\n {\n \"name\": \"total_amount\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Total amount paid\"\n },\n {\n \"name\": \"currency\",\n \"type\": \"CURRENCY_CODE\",\n \"description\": \"Currency code\"\n }\n ]\n}",
"files": {
"fileValues": [
{
"fileInputMode": "url",
"fileName": "quittung.pdf",
"fileUrl": "https://example.com/documents/quittung-sample.pdf"
}
]
}
},
"type": "n8n-nodes-iterationlayer.iterationLayer",
"typeVersion": 1,
"position": [
500,
300
],
"id": "extract-quittung-data-extract",
"name": "Extract Data",
"credentials": {
"iterationLayerApi": {
"id": "1",
"name": "Iteration Layer API"
}
}
}
],
"connections": {
"Manual Trigger": {
"main": [
[
{
"node": "Extract Data",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1"
}
}Prompt
Extract quittung data from the file at [file URL]. Use the extract_document tool with these fields:
- receipt_number (TEXT): Receipt number or Belegnummer
- issuer_name (TEXT): Issuer or merchant name
- issuer_address (ADDRESS): Issuer address
- payer_name (TEXT): Payer or customer name if shown
- receipt_date (DATE): Receipt date
- payment_method (TEXT): Payment method
- items (ARRAY): Each with description (TEXT), amount (CURRENCY_AMOUNT)
- net_amount (CURRENCY_AMOUNT): Net amount
- vat_amount (CURRENCY_AMOUNT): VAT amount
- total_amount (CURRENCY_AMOUNT): Total amount paid
- currency (CURRENCY_CODE): Currency code