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": "steuerbescheid.pdf",
"url": "https://example.com/documents/steuerbescheid-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "taxpayer_name",
"type": "TEXT",
"description": "Taxpayer, filer, or recipient name"
},
{
"name": "taxpayer_identifier",
"type": "TEXT",
"description": "Taxpayer identifier"
},
{
"name": "issuer_or_authority",
"type": "TEXT",
"description": "Employer, payer, or tax authority"
},
{
"name": "tax_period",
"type": "TEXT",
"description": "Tax year or filing period"
},
{
"name": "tax_lines",
"type": "ARRAY",
"description": "Reported tax lines",
"fields": [
{
"name": "code",
"type": "TEXT",
"description": "Box, line, or tax code"
},
{
"name": "description",
"type": "TEXT",
"description": "Line description"
},
{
"name": "amount",
"type": "CURRENCY_AMOUNT",
"description": "Reported amount"
}
]
},
{
"name": "taxable_amount",
"type": "CURRENCY_AMOUNT",
"description": "Taxable amount or tax base"
},
{
"name": "tax_due_or_withheld",
"type": "CURRENCY_AMOUNT",
"description": "Tax due, assessed, or withheld"
},
{
"name": "currency",
"type": "CURRENCY_CODE",
"description": "Currency code"
}
]
}
}'Response
{
"success": true,
"data": {
"taxpayer_name": {
"value": "Taxpayer Name",
"confidence": 0.97,
"citations": [
"TAXPAYER NAME"
]
},
"taxpayer_identifier": {
"value": "Taxpayer Identifier",
"confidence": 0.97,
"citations": [
"TAXPAYER IDENTIFIER"
]
},
"issuer_or_authority": {
"value": "Issuer Or Authority",
"confidence": 0.97,
"citations": [
"ISSUER OR AUTHORITY"
]
},
"tax_period": {
"value": "Tax Period",
"confidence": 0.97,
"citations": [
"TAX PERIOD"
]
},
"tax_lines": {
"value": [
{
"code": {
"value": "Code",
"confidence": 0.96,
"citations": [
"CODE"
]
},
"description": {
"value": "Description",
"confidence": 0.96,
"citations": [
"DESCRIPTION"
]
},
"amount": {
"value": {
"amount": "1234.56",
"currency": "USD"
},
"confidence": 0.96,
"citations": [
"$1,234.56"
]
}
}
],
"confidence": 0.97,
"citations": [
"TAX LINES"
]
},
"taxable_amount": {
"value": {
"amount": "1234.56",
"currency": "USD"
},
"confidence": 0.97,
"citations": [
"$1,234.56"
]
},
"tax_due_or_withheld": {
"value": {
"amount": "1234.56",
"currency": "USD"
},
"confidence": 0.97,
"citations": [
"$1,234.56"
]
},
"currency": {
"value": "USD",
"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": "steuerbescheid.pdf",
"url": "https://example.com/documents/steuerbescheid-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "taxpayer_name",
"type": "TEXT",
"description": "Taxpayer, filer, or recipient name"
},
{
"name": "taxpayer_identifier",
"type": "TEXT",
"description": "Taxpayer identifier"
},
{
"name": "issuer_or_authority",
"type": "TEXT",
"description": "Employer, payer, or tax authority"
},
{
"name": "tax_period",
"type": "TEXT",
"description": "Tax year or filing period"
},
{
"name": "tax_lines",
"type": "ARRAY",
"description": "Reported tax lines",
"fields": [
{
"name": "code",
"type": "TEXT",
"description": "Box, line, or tax code"
},
{
"name": "description",
"type": "TEXT",
"description": "Line description"
},
{
"name": "amount",
"type": "CURRENCY_AMOUNT",
"description": "Reported amount"
}
]
},
{
"name": "taxable_amount",
"type": "CURRENCY_AMOUNT",
"description": "Taxable amount or tax base"
},
{
"name": "tax_due_or_withheld",
"type": "CURRENCY_AMOUNT",
"description": "Tax due, assessed, or withheld"
},
{
"name": "currency",
"type": "CURRENCY_CODE",
"description": "Currency code"
}
]
}
});Response
{
"success": true,
"data": {
"taxpayer_name": {
"value": "Taxpayer Name",
"confidence": 0.97,
"citations": [
"TAXPAYER NAME"
]
},
"taxpayer_identifier": {
"value": "Taxpayer Identifier",
"confidence": 0.97,
"citations": [
"TAXPAYER IDENTIFIER"
]
},
"issuer_or_authority": {
"value": "Issuer Or Authority",
"confidence": 0.97,
"citations": [
"ISSUER OR AUTHORITY"
]
},
"tax_period": {
"value": "Tax Period",
"confidence": 0.97,
"citations": [
"TAX PERIOD"
]
},
"tax_lines": {
"value": [
{
"code": {
"value": "Code",
"confidence": 0.96,
"citations": [
"CODE"
]
},
"description": {
"value": "Description",
"confidence": 0.96,
"citations": [
"DESCRIPTION"
]
},
"amount": {
"value": {
"amount": "1234.56",
"currency": "USD"
},
"confidence": 0.96,
"citations": [
"$1,234.56"
]
}
}
],
"confidence": 0.97,
"citations": [
"TAX LINES"
]
},
"taxable_amount": {
"value": {
"amount": "1234.56",
"currency": "USD"
},
"confidence": 0.97,
"citations": [
"$1,234.56"
]
},
"tax_due_or_withheld": {
"value": {
"amount": "1234.56",
"currency": "USD"
},
"confidence": 0.97,
"citations": [
"$1,234.56"
]
},
"currency": {
"value": "USD",
"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": "steuerbescheid.pdf",
"url": "https://example.com/documents/steuerbescheid-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "taxpayer_name",
"type": "TEXT",
"description": "Taxpayer, filer, or recipient name"
},
{
"name": "taxpayer_identifier",
"type": "TEXT",
"description": "Taxpayer identifier"
},
{
"name": "issuer_or_authority",
"type": "TEXT",
"description": "Employer, payer, or tax authority"
},
{
"name": "tax_period",
"type": "TEXT",
"description": "Tax year or filing period"
},
{
"name": "tax_lines",
"type": "ARRAY",
"description": "Reported tax lines",
"fields": [
{
"name": "code",
"type": "TEXT",
"description": "Box, line, or tax code"
},
{
"name": "description",
"type": "TEXT",
"description": "Line description"
},
{
"name": "amount",
"type": "CURRENCY_AMOUNT",
"description": "Reported amount"
}
]
},
{
"name": "taxable_amount",
"type": "CURRENCY_AMOUNT",
"description": "Taxable amount or tax base"
},
{
"name": "tax_due_or_withheld",
"type": "CURRENCY_AMOUNT",
"description": "Tax due, assessed, or withheld"
},
{
"name": "currency",
"type": "CURRENCY_CODE",
"description": "Currency code"
}
]
}
})Response
{
"success": true,
"data": {
"taxpayer_name": {
"value": "Taxpayer Name",
"confidence": 0.97,
"citations": [
"TAXPAYER NAME"
]
},
"taxpayer_identifier": {
"value": "Taxpayer Identifier",
"confidence": 0.97,
"citations": [
"TAXPAYER IDENTIFIER"
]
},
"issuer_or_authority": {
"value": "Issuer Or Authority",
"confidence": 0.97,
"citations": [
"ISSUER OR AUTHORITY"
]
},
"tax_period": {
"value": "Tax Period",
"confidence": 0.97,
"citations": [
"TAX PERIOD"
]
},
"tax_lines": {
"value": [
{
"code": {
"value": "Code",
"confidence": 0.96,
"citations": [
"CODE"
]
},
"description": {
"value": "Description",
"confidence": 0.96,
"citations": [
"DESCRIPTION"
]
},
"amount": {
"value": {
"amount": "1234.56",
"currency": "USD"
},
"confidence": 0.96,
"citations": [
"$1,234.56"
]
}
}
],
"confidence": 0.97,
"citations": [
"TAX LINES"
]
},
"taxable_amount": {
"value": {
"amount": "1234.56",
"currency": "USD"
},
"confidence": 0.97,
"citations": [
"$1,234.56"
]
},
"tax_due_or_withheld": {
"value": {
"amount": "1234.56",
"currency": "USD"
},
"confidence": 0.97,
"citations": [
"$1,234.56"
]
},
"currency": {
"value": "USD",
"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: "steuerbescheid.pdf",
Url: "https://example.com/documents/steuerbescheid-sample.pdf",
},
},
Schema: il.ExtractionSchema{
Fields: []any{
il.TextFieldConfig{
Name: "taxpayer_name",
Type: "TEXT",
Description: "Taxpayer, filer, or recipient name",
},
il.TextFieldConfig{
Name: "taxpayer_identifier",
Type: "TEXT",
Description: "Taxpayer identifier",
},
il.TextFieldConfig{
Name: "issuer_or_authority",
Type: "TEXT",
Description: "Employer, payer, or tax authority",
},
il.TextFieldConfig{
Name: "tax_period",
Type: "TEXT",
Description: "Tax year or filing period",
},
il.ArrayFieldConfig{
Name: "tax_lines",
Type: "ARRAY",
Description: "Reported tax lines",
Fields: []any{
il.TextFieldConfig{
Name: "code",
Type: "TEXT",
Description: "Box, line, or tax code",
},
il.TextFieldConfig{
Name: "description",
Type: "TEXT",
Description: "Line description",
},
il.CurrencyAmountFieldConfig{
Name: "amount",
Type: "CURRENCY_AMOUNT",
Description: "Reported amount",
},
},
},
il.CurrencyAmountFieldConfig{
Name: "taxable_amount",
Type: "CURRENCY_AMOUNT",
Description: "Taxable amount or tax base",
},
il.CurrencyAmountFieldConfig{
Name: "tax_due_or_withheld",
Type: "CURRENCY_AMOUNT",
Description: "Tax due, assessed, or withheld",
},
il.CurrencyCodeFieldConfig{
Name: "currency",
Type: "CURRENCY_CODE",
Description: "Currency code",
},
},
},
})
if err != nil {
panic(err)
}
_ = result
}Response
{
"success": true,
"data": {
"taxpayer_name": {
"value": "Taxpayer Name",
"confidence": 0.97,
"citations": [
"TAXPAYER NAME"
]
},
"taxpayer_identifier": {
"value": "Taxpayer Identifier",
"confidence": 0.97,
"citations": [
"TAXPAYER IDENTIFIER"
]
},
"issuer_or_authority": {
"value": "Issuer Or Authority",
"confidence": 0.97,
"citations": [
"ISSUER OR AUTHORITY"
]
},
"tax_period": {
"value": "Tax Period",
"confidence": 0.97,
"citations": [
"TAX PERIOD"
]
},
"tax_lines": {
"value": [
{
"code": {
"value": "Code",
"confidence": 0.96,
"citations": [
"CODE"
]
},
"description": {
"value": "Description",
"confidence": 0.96,
"citations": [
"DESCRIPTION"
]
},
"amount": {
"value": {
"amount": "1234.56",
"currency": "USD"
},
"confidence": 0.96,
"citations": [
"$1,234.56"
]
}
}
],
"confidence": 0.97,
"citations": [
"TAX LINES"
]
},
"taxable_amount": {
"value": {
"amount": "1234.56",
"currency": "USD"
},
"confidence": 0.97,
"citations": [
"$1,234.56"
]
},
"tax_due_or_withheld": {
"value": {
"amount": "1234.56",
"currency": "USD"
},
"confidence": 0.97,
"citations": [
"$1,234.56"
]
},
"currency": {
"value": "USD",
"confidence": 0.97,
"citations": [
"CURRENCY"
]
}
}
}Template
{
"name": "Extract Steuerbescheid Data",
"nodes": [
{
"parameters": {
"content": "## Extract Steuerbescheid Data\n\nTax and finance teams use this recipe to extract Steuerbescheid fields from official forms into structured JSON for review, routing, and downstream filing preparation.\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-steuerbescheid-data-overview",
"name": "Overview"
},
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
250,
300
],
"id": "extract-steuerbescheid-data-trigger",
"name": "Manual Trigger"
},
{
"parameters": {
"resource": "documentExtraction",
"schemaInputMode": "rawJson",
"schemaJson": "{\n \"fields\": [\n {\n \"name\": \"taxpayer_name\",\n \"type\": \"TEXT\",\n \"description\": \"Taxpayer, filer, or recipient name\"\n },\n {\n \"name\": \"taxpayer_identifier\",\n \"type\": \"TEXT\",\n \"description\": \"Taxpayer identifier\"\n },\n {\n \"name\": \"issuer_or_authority\",\n \"type\": \"TEXT\",\n \"description\": \"Employer, payer, or tax authority\"\n },\n {\n \"name\": \"tax_period\",\n \"type\": \"TEXT\",\n \"description\": \"Tax year or filing period\"\n },\n {\n \"name\": \"tax_lines\",\n \"type\": \"ARRAY\",\n \"description\": \"Reported tax lines\",\n \"fields\": [\n {\n \"name\": \"code\",\n \"type\": \"TEXT\",\n \"description\": \"Box, line, or tax code\"\n },\n {\n \"name\": \"description\",\n \"type\": \"TEXT\",\n \"description\": \"Line description\"\n },\n {\n \"name\": \"amount\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Reported amount\"\n }\n ]\n },\n {\n \"name\": \"taxable_amount\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Taxable amount or tax base\"\n },\n {\n \"name\": \"tax_due_or_withheld\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Tax due, assessed, or withheld\"\n },\n {\n \"name\": \"currency\",\n \"type\": \"CURRENCY_CODE\",\n \"description\": \"Currency code\"\n }\n ]\n}",
"files": {
"fileValues": [
{
"fileInputMode": "url",
"fileName": "steuerbescheid.pdf",
"fileUrl": "https://example.com/documents/steuerbescheid-sample.pdf"
}
]
}
},
"type": "n8n-nodes-iterationlayer.iterationLayer",
"typeVersion": 1,
"position": [
500,
300
],
"id": "extract-steuerbescheid-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 steuerbescheid data from the file at [file URL]. Use the extract_document tool with these fields:
- taxpayer_name (TEXT): Taxpayer, filer, or recipient name
- taxpayer_identifier (TEXT): Taxpayer identifier
- issuer_or_authority (TEXT): Employer, payer, or tax authority
- tax_period (TEXT): Tax year or filing period
- tax_lines (ARRAY): Each with code (TEXT), description (TEXT), amount (CURRENCY_AMOUNT)
- taxable_amount (CURRENCY_AMOUNT): Taxable amount or tax base
- tax_due_or_withheld (CURRENCY_AMOUNT): Tax due, assessed, or withheld
- currency (CURRENCY_CODE): Currency code