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": "reisekostenabrechnung.pdf",
"url": "https://example.com/documents/reisekostenabrechnung-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "employee_name",
"type": "TEXT",
"description": "Employee or claimant name"
},
{
"name": "cost_center",
"type": "TEXT",
"description": "Kostenstelle or cost center"
},
{
"name": "trip_purpose",
"type": "TEXT",
"description": "Purpose of trip"
},
{
"name": "destination",
"type": "TEXT",
"description": "Travel destination"
},
{
"name": "trip_start_date",
"type": "DATE",
"description": "Trip start date"
},
{
"name": "trip_end_date",
"type": "DATE",
"description": "Trip end date"
},
{
"name": "business_kilometers",
"type": "DECIMAL",
"description": "Business kilometers claimed"
},
{
"name": "mileage_amount",
"type": "CURRENCY_AMOUNT",
"description": "Mileage reimbursement amount"
},
{
"name": "per_diem_amount",
"type": "CURRENCY_AMOUNT",
"description": "Per diem or Verpflegungsmehraufwand amount"
},
{
"name": "expense_lines",
"type": "ARRAY",
"description": "Travel expense lines",
"fields": [
{
"name": "expense_date",
"type": "DATE",
"description": "Expense date"
},
{
"name": "category",
"type": "TEXT",
"description": "Expense category"
},
{
"name": "description",
"type": "TEXT",
"description": "Expense description"
},
{
"name": "amount",
"type": "CURRENCY_AMOUNT",
"description": "Expense amount"
}
]
},
{
"name": "total_reimbursement",
"type": "CURRENCY_AMOUNT",
"description": "Total reimbursement amount"
},
{
"name": "currency",
"type": "CURRENCY_CODE",
"description": "Currency code"
}
]
}
}'Response
{
"success": true,
"data": {
"employee_name": {
"value": "Maria Keller",
"confidence": 0.97,
"citations": [
"EMPLOYEE NAME"
]
},
"cost_center": {
"value": "Cost Center",
"confidence": 0.97,
"citations": [
"COST CENTER"
]
},
"trip_purpose": {
"value": "Trip Purpose",
"confidence": 0.97,
"citations": [
"TRIP PURPOSE"
]
},
"destination": {
"value": "Destination",
"confidence": 0.97,
"citations": [
"DESTINATION"
]
},
"trip_start_date": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"trip_end_date": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"business_kilometers": {
"value": 12.5,
"confidence": 0.97,
"citations": [
"BUSINESS KILOMETERS"
]
},
"mileage_amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"per_diem_amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"expense_lines": {
"value": [
{
"expense_date": {
"value": "2026-04-15",
"confidence": 0.96,
"citations": [
"15 Apr 2026"
]
},
"category": {
"value": "Category",
"confidence": 0.96,
"citations": [
"CATEGORY"
]
},
"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": [
"EXPENSE LINES"
]
},
"total_reimbursement": {
"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": "reisekostenabrechnung.pdf",
"url": "https://example.com/documents/reisekostenabrechnung-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "employee_name",
"type": "TEXT",
"description": "Employee or claimant name"
},
{
"name": "cost_center",
"type": "TEXT",
"description": "Kostenstelle or cost center"
},
{
"name": "trip_purpose",
"type": "TEXT",
"description": "Purpose of trip"
},
{
"name": "destination",
"type": "TEXT",
"description": "Travel destination"
},
{
"name": "trip_start_date",
"type": "DATE",
"description": "Trip start date"
},
{
"name": "trip_end_date",
"type": "DATE",
"description": "Trip end date"
},
{
"name": "business_kilometers",
"type": "DECIMAL",
"description": "Business kilometers claimed"
},
{
"name": "mileage_amount",
"type": "CURRENCY_AMOUNT",
"description": "Mileage reimbursement amount"
},
{
"name": "per_diem_amount",
"type": "CURRENCY_AMOUNT",
"description": "Per diem or Verpflegungsmehraufwand amount"
},
{
"name": "expense_lines",
"type": "ARRAY",
"description": "Travel expense lines",
"fields": [
{
"name": "expense_date",
"type": "DATE",
"description": "Expense date"
},
{
"name": "category",
"type": "TEXT",
"description": "Expense category"
},
{
"name": "description",
"type": "TEXT",
"description": "Expense description"
},
{
"name": "amount",
"type": "CURRENCY_AMOUNT",
"description": "Expense amount"
}
]
},
{
"name": "total_reimbursement",
"type": "CURRENCY_AMOUNT",
"description": "Total reimbursement amount"
},
{
"name": "currency",
"type": "CURRENCY_CODE",
"description": "Currency code"
}
]
}
});Response
{
"success": true,
"data": {
"employee_name": {
"value": "Maria Keller",
"confidence": 0.97,
"citations": [
"EMPLOYEE NAME"
]
},
"cost_center": {
"value": "Cost Center",
"confidence": 0.97,
"citations": [
"COST CENTER"
]
},
"trip_purpose": {
"value": "Trip Purpose",
"confidence": 0.97,
"citations": [
"TRIP PURPOSE"
]
},
"destination": {
"value": "Destination",
"confidence": 0.97,
"citations": [
"DESTINATION"
]
},
"trip_start_date": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"trip_end_date": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"business_kilometers": {
"value": 12.5,
"confidence": 0.97,
"citations": [
"BUSINESS KILOMETERS"
]
},
"mileage_amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"per_diem_amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"expense_lines": {
"value": [
{
"expense_date": {
"value": "2026-04-15",
"confidence": 0.96,
"citations": [
"15 Apr 2026"
]
},
"category": {
"value": "Category",
"confidence": 0.96,
"citations": [
"CATEGORY"
]
},
"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": [
"EXPENSE LINES"
]
},
"total_reimbursement": {
"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": "reisekostenabrechnung.pdf",
"url": "https://example.com/documents/reisekostenabrechnung-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "employee_name",
"type": "TEXT",
"description": "Employee or claimant name"
},
{
"name": "cost_center",
"type": "TEXT",
"description": "Kostenstelle or cost center"
},
{
"name": "trip_purpose",
"type": "TEXT",
"description": "Purpose of trip"
},
{
"name": "destination",
"type": "TEXT",
"description": "Travel destination"
},
{
"name": "trip_start_date",
"type": "DATE",
"description": "Trip start date"
},
{
"name": "trip_end_date",
"type": "DATE",
"description": "Trip end date"
},
{
"name": "business_kilometers",
"type": "DECIMAL",
"description": "Business kilometers claimed"
},
{
"name": "mileage_amount",
"type": "CURRENCY_AMOUNT",
"description": "Mileage reimbursement amount"
},
{
"name": "per_diem_amount",
"type": "CURRENCY_AMOUNT",
"description": "Per diem or Verpflegungsmehraufwand amount"
},
{
"name": "expense_lines",
"type": "ARRAY",
"description": "Travel expense lines",
"fields": [
{
"name": "expense_date",
"type": "DATE",
"description": "Expense date"
},
{
"name": "category",
"type": "TEXT",
"description": "Expense category"
},
{
"name": "description",
"type": "TEXT",
"description": "Expense description"
},
{
"name": "amount",
"type": "CURRENCY_AMOUNT",
"description": "Expense amount"
}
]
},
{
"name": "total_reimbursement",
"type": "CURRENCY_AMOUNT",
"description": "Total reimbursement amount"
},
{
"name": "currency",
"type": "CURRENCY_CODE",
"description": "Currency code"
}
]
}
})Response
{
"success": true,
"data": {
"employee_name": {
"value": "Maria Keller",
"confidence": 0.97,
"citations": [
"EMPLOYEE NAME"
]
},
"cost_center": {
"value": "Cost Center",
"confidence": 0.97,
"citations": [
"COST CENTER"
]
},
"trip_purpose": {
"value": "Trip Purpose",
"confidence": 0.97,
"citations": [
"TRIP PURPOSE"
]
},
"destination": {
"value": "Destination",
"confidence": 0.97,
"citations": [
"DESTINATION"
]
},
"trip_start_date": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"trip_end_date": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"business_kilometers": {
"value": 12.5,
"confidence": 0.97,
"citations": [
"BUSINESS KILOMETERS"
]
},
"mileage_amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"per_diem_amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"expense_lines": {
"value": [
{
"expense_date": {
"value": "2026-04-15",
"confidence": 0.96,
"citations": [
"15 Apr 2026"
]
},
"category": {
"value": "Category",
"confidence": 0.96,
"citations": [
"CATEGORY"
]
},
"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": [
"EXPENSE LINES"
]
},
"total_reimbursement": {
"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: "reisekostenabrechnung.pdf",
Url: "https://example.com/documents/reisekostenabrechnung-sample.pdf",
},
},
Schema: il.ExtractionSchema{
Fields: []any{
il.TextFieldConfig{
Name: "employee_name",
Type: "TEXT",
Description: "Employee or claimant name",
},
il.TextFieldConfig{
Name: "cost_center",
Type: "TEXT",
Description: "Kostenstelle or cost center",
},
il.TextFieldConfig{
Name: "trip_purpose",
Type: "TEXT",
Description: "Purpose of trip",
},
il.TextFieldConfig{
Name: "destination",
Type: "TEXT",
Description: "Travel destination",
},
il.DateFieldConfig{
Name: "trip_start_date",
Type: "DATE",
Description: "Trip start date",
},
il.DateFieldConfig{
Name: "trip_end_date",
Type: "DATE",
Description: "Trip end date",
},
il.DecimalFieldConfig{
Name: "business_kilometers",
Type: "DECIMAL",
Description: "Business kilometers claimed",
},
il.CurrencyAmountFieldConfig{
Name: "mileage_amount",
Type: "CURRENCY_AMOUNT",
Description: "Mileage reimbursement amount",
},
il.CurrencyAmountFieldConfig{
Name: "per_diem_amount",
Type: "CURRENCY_AMOUNT",
Description: "Per diem or Verpflegungsmehraufwand amount",
},
il.ArrayFieldConfig{
Name: "expense_lines",
Type: "ARRAY",
Description: "Travel expense lines",
Fields: []any{
il.DateFieldConfig{
Name: "expense_date",
Type: "DATE",
Description: "Expense date",
},
il.TextFieldConfig{
Name: "category",
Type: "TEXT",
Description: "Expense category",
},
il.TextFieldConfig{
Name: "description",
Type: "TEXT",
Description: "Expense description",
},
il.CurrencyAmountFieldConfig{
Name: "amount",
Type: "CURRENCY_AMOUNT",
Description: "Expense amount",
},
},
},
il.CurrencyAmountFieldConfig{
Name: "total_reimbursement",
Type: "CURRENCY_AMOUNT",
Description: "Total reimbursement amount",
},
il.CurrencyCodeFieldConfig{
Name: "currency",
Type: "CURRENCY_CODE",
Description: "Currency code",
},
},
},
})
if err != nil {
panic(err)
}
_ = result
}Response
{
"success": true,
"data": {
"employee_name": {
"value": "Maria Keller",
"confidence": 0.97,
"citations": [
"EMPLOYEE NAME"
]
},
"cost_center": {
"value": "Cost Center",
"confidence": 0.97,
"citations": [
"COST CENTER"
]
},
"trip_purpose": {
"value": "Trip Purpose",
"confidence": 0.97,
"citations": [
"TRIP PURPOSE"
]
},
"destination": {
"value": "Destination",
"confidence": 0.97,
"citations": [
"DESTINATION"
]
},
"trip_start_date": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"trip_end_date": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"business_kilometers": {
"value": 12.5,
"confidence": 0.97,
"citations": [
"BUSINESS KILOMETERS"
]
},
"mileage_amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"per_diem_amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"expense_lines": {
"value": [
{
"expense_date": {
"value": "2026-04-15",
"confidence": 0.96,
"citations": [
"15 Apr 2026"
]
},
"category": {
"value": "Category",
"confidence": 0.96,
"citations": [
"CATEGORY"
]
},
"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": [
"EXPENSE LINES"
]
},
"total_reimbursement": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"currency": {
"value": "EUR",
"confidence": 0.97,
"citations": [
"CURRENCY"
]
}
}
}Template
{
"name": "Extract Reisekostenabrechnung Data",
"nodes": [
{
"parameters": {
"content": "## Extract Reisekostenabrechnung Data\n\nFinance teams use this recipe to extract Reisekostenabrechnung fields into structured records for travel reimbursement 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-reisekostenabrechnung-data-overview",
"name": "Overview"
},
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
250,
300
],
"id": "extract-reisekostenabrechnung-data-trigger",
"name": "Manual Trigger"
},
{
"parameters": {
"resource": "documentExtraction",
"schemaInputMode": "rawJson",
"schemaJson": "{\n \"fields\": [\n {\n \"name\": \"employee_name\",\n \"type\": \"TEXT\",\n \"description\": \"Employee or claimant name\"\n },\n {\n \"name\": \"cost_center\",\n \"type\": \"TEXT\",\n \"description\": \"Kostenstelle or cost center\"\n },\n {\n \"name\": \"trip_purpose\",\n \"type\": \"TEXT\",\n \"description\": \"Purpose of trip\"\n },\n {\n \"name\": \"destination\",\n \"type\": \"TEXT\",\n \"description\": \"Travel destination\"\n },\n {\n \"name\": \"trip_start_date\",\n \"type\": \"DATE\",\n \"description\": \"Trip start date\"\n },\n {\n \"name\": \"trip_end_date\",\n \"type\": \"DATE\",\n \"description\": \"Trip end date\"\n },\n {\n \"name\": \"business_kilometers\",\n \"type\": \"DECIMAL\",\n \"description\": \"Business kilometers claimed\"\n },\n {\n \"name\": \"mileage_amount\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Mileage reimbursement amount\"\n },\n {\n \"name\": \"per_diem_amount\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Per diem or Verpflegungsmehraufwand amount\"\n },\n {\n \"name\": \"expense_lines\",\n \"type\": \"ARRAY\",\n \"description\": \"Travel expense lines\",\n \"fields\": [\n {\n \"name\": \"expense_date\",\n \"type\": \"DATE\",\n \"description\": \"Expense date\"\n },\n {\n \"name\": \"category\",\n \"type\": \"TEXT\",\n \"description\": \"Expense category\"\n },\n {\n \"name\": \"description\",\n \"type\": \"TEXT\",\n \"description\": \"Expense description\"\n },\n {\n \"name\": \"amount\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Expense amount\"\n }\n ]\n },\n {\n \"name\": \"total_reimbursement\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Total reimbursement amount\"\n },\n {\n \"name\": \"currency\",\n \"type\": \"CURRENCY_CODE\",\n \"description\": \"Currency code\"\n }\n ]\n}",
"files": {
"fileValues": [
{
"fileInputMode": "url",
"fileName": "reisekostenabrechnung.pdf",
"fileUrl": "https://example.com/documents/reisekostenabrechnung-sample.pdf"
}
]
}
},
"type": "n8n-nodes-iterationlayer.iterationLayer",
"typeVersion": 1,
"position": [
500,
300
],
"id": "extract-reisekostenabrechnung-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 reisekostenabrechnung data from the file at [file URL]. Use the extract_document tool with these fields:
- employee_name (TEXT): Employee or claimant name
- cost_center (TEXT): Kostenstelle or cost center
- trip_purpose (TEXT): Purpose of trip
- destination (TEXT): Travel destination
- trip_start_date (DATE): Trip start date
- trip_end_date (DATE): Trip end date
- business_kilometers (DECIMAL): Business kilometers claimed
- mileage_amount (CURRENCY_AMOUNT): Mileage reimbursement amount
- per_diem_amount (CURRENCY_AMOUNT): Per diem or Verpflegungsmehraufwand amount
- expense_lines (ARRAY): Each with expense_date (DATE), category (TEXT), description (TEXT), amount (CURRENCY_AMOUNT)
- total_reimbursement (CURRENCY_AMOUNT): Total reimbursement amount
- currency (CURRENCY_CODE): Currency code