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": "nomina.pdf",
"url": "https://example.com/documents/nomina-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "employee_name",
"type": "TEXT",
"description": "Employee name"
},
{
"name": "employee_tax_id",
"type": "TEXT",
"description": "Employee tax or national ID"
},
{
"name": "employer_name",
"type": "TEXT",
"description": "Employer name"
},
{
"name": "employer_tax_id",
"type": "TEXT",
"description": "Employer tax ID"
},
{
"name": "pay_period_start",
"type": "DATE",
"description": "Pay period start date"
},
{
"name": "pay_period_end",
"type": "DATE",
"description": "Pay period end date"
},
{
"name": "percepciones",
"type": "ARRAY",
"description": "Earnings or percepciones",
"fields": [
{
"name": "description",
"type": "TEXT",
"description": "Earning description"
},
{
"name": "amount",
"type": "CURRENCY_AMOUNT",
"description": "Earning amount"
}
]
},
{
"name": "deducciones",
"type": "ARRAY",
"description": "Deductions or deducciones",
"fields": [
{
"name": "description",
"type": "TEXT",
"description": "Deduction description"
},
{
"name": "amount",
"type": "CURRENCY_AMOUNT",
"description": "Deduction amount"
}
]
},
{
"name": "gross_pay",
"type": "CURRENCY_AMOUNT",
"description": "Total percepciones or gross pay"
},
{
"name": "tax_withheld",
"type": "CURRENCY_AMOUNT",
"description": "Income tax withheld"
},
{
"name": "social_security",
"type": "CURRENCY_AMOUNT",
"description": "Social security contribution"
},
{
"name": "net_pay",
"type": "CURRENCY_AMOUNT",
"description": "Neto a pagar"
},
{
"name": "currency",
"type": "CURRENCY_CODE",
"description": "Currency code"
}
]
}
}'Response
{
"success": true,
"data": {
"employee_name": {
"value": "Maria Keller",
"confidence": 0.97,
"citations": [
"EMPLOYEE NAME"
]
},
"employee_tax_id": {
"value": "Employee Tax Id",
"confidence": 0.97,
"citations": [
"EMPLOYEE TAX ID"
]
},
"employer_name": {
"value": "Northwind GmbH",
"confidence": 0.97,
"citations": [
"EMPLOYER NAME"
]
},
"employer_tax_id": {
"value": "Employer Tax Id",
"confidence": 0.97,
"citations": [
"EMPLOYER TAX ID"
]
},
"pay_period_start": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"pay_period_end": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"percepciones": {
"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": [
"PERCEPCIONES"
]
},
"deducciones": {
"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": [
"DEDUCCIONES"
]
},
"gross_pay": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"tax_withheld": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"social_security": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"net_pay": {
"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": "nomina.pdf",
"url": "https://example.com/documents/nomina-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "employee_name",
"type": "TEXT",
"description": "Employee name"
},
{
"name": "employee_tax_id",
"type": "TEXT",
"description": "Employee tax or national ID"
},
{
"name": "employer_name",
"type": "TEXT",
"description": "Employer name"
},
{
"name": "employer_tax_id",
"type": "TEXT",
"description": "Employer tax ID"
},
{
"name": "pay_period_start",
"type": "DATE",
"description": "Pay period start date"
},
{
"name": "pay_period_end",
"type": "DATE",
"description": "Pay period end date"
},
{
"name": "percepciones",
"type": "ARRAY",
"description": "Earnings or percepciones",
"fields": [
{
"name": "description",
"type": "TEXT",
"description": "Earning description"
},
{
"name": "amount",
"type": "CURRENCY_AMOUNT",
"description": "Earning amount"
}
]
},
{
"name": "deducciones",
"type": "ARRAY",
"description": "Deductions or deducciones",
"fields": [
{
"name": "description",
"type": "TEXT",
"description": "Deduction description"
},
{
"name": "amount",
"type": "CURRENCY_AMOUNT",
"description": "Deduction amount"
}
]
},
{
"name": "gross_pay",
"type": "CURRENCY_AMOUNT",
"description": "Total percepciones or gross pay"
},
{
"name": "tax_withheld",
"type": "CURRENCY_AMOUNT",
"description": "Income tax withheld"
},
{
"name": "social_security",
"type": "CURRENCY_AMOUNT",
"description": "Social security contribution"
},
{
"name": "net_pay",
"type": "CURRENCY_AMOUNT",
"description": "Neto a pagar"
},
{
"name": "currency",
"type": "CURRENCY_CODE",
"description": "Currency code"
}
]
}
});Response
{
"success": true,
"data": {
"employee_name": {
"value": "Maria Keller",
"confidence": 0.97,
"citations": [
"EMPLOYEE NAME"
]
},
"employee_tax_id": {
"value": "Employee Tax Id",
"confidence": 0.97,
"citations": [
"EMPLOYEE TAX ID"
]
},
"employer_name": {
"value": "Northwind GmbH",
"confidence": 0.97,
"citations": [
"EMPLOYER NAME"
]
},
"employer_tax_id": {
"value": "Employer Tax Id",
"confidence": 0.97,
"citations": [
"EMPLOYER TAX ID"
]
},
"pay_period_start": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"pay_period_end": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"percepciones": {
"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": [
"PERCEPCIONES"
]
},
"deducciones": {
"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": [
"DEDUCCIONES"
]
},
"gross_pay": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"tax_withheld": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"social_security": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"net_pay": {
"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": "nomina.pdf",
"url": "https://example.com/documents/nomina-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "employee_name",
"type": "TEXT",
"description": "Employee name"
},
{
"name": "employee_tax_id",
"type": "TEXT",
"description": "Employee tax or national ID"
},
{
"name": "employer_name",
"type": "TEXT",
"description": "Employer name"
},
{
"name": "employer_tax_id",
"type": "TEXT",
"description": "Employer tax ID"
},
{
"name": "pay_period_start",
"type": "DATE",
"description": "Pay period start date"
},
{
"name": "pay_period_end",
"type": "DATE",
"description": "Pay period end date"
},
{
"name": "percepciones",
"type": "ARRAY",
"description": "Earnings or percepciones",
"fields": [
{
"name": "description",
"type": "TEXT",
"description": "Earning description"
},
{
"name": "amount",
"type": "CURRENCY_AMOUNT",
"description": "Earning amount"
}
]
},
{
"name": "deducciones",
"type": "ARRAY",
"description": "Deductions or deducciones",
"fields": [
{
"name": "description",
"type": "TEXT",
"description": "Deduction description"
},
{
"name": "amount",
"type": "CURRENCY_AMOUNT",
"description": "Deduction amount"
}
]
},
{
"name": "gross_pay",
"type": "CURRENCY_AMOUNT",
"description": "Total percepciones or gross pay"
},
{
"name": "tax_withheld",
"type": "CURRENCY_AMOUNT",
"description": "Income tax withheld"
},
{
"name": "social_security",
"type": "CURRENCY_AMOUNT",
"description": "Social security contribution"
},
{
"name": "net_pay",
"type": "CURRENCY_AMOUNT",
"description": "Neto a pagar"
},
{
"name": "currency",
"type": "CURRENCY_CODE",
"description": "Currency code"
}
]
}
})Response
{
"success": true,
"data": {
"employee_name": {
"value": "Maria Keller",
"confidence": 0.97,
"citations": [
"EMPLOYEE NAME"
]
},
"employee_tax_id": {
"value": "Employee Tax Id",
"confidence": 0.97,
"citations": [
"EMPLOYEE TAX ID"
]
},
"employer_name": {
"value": "Northwind GmbH",
"confidence": 0.97,
"citations": [
"EMPLOYER NAME"
]
},
"employer_tax_id": {
"value": "Employer Tax Id",
"confidence": 0.97,
"citations": [
"EMPLOYER TAX ID"
]
},
"pay_period_start": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"pay_period_end": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"percepciones": {
"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": [
"PERCEPCIONES"
]
},
"deducciones": {
"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": [
"DEDUCCIONES"
]
},
"gross_pay": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"tax_withheld": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"social_security": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"net_pay": {
"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: "nomina.pdf",
Url: "https://example.com/documents/nomina-sample.pdf",
},
},
Schema: il.ExtractionSchema{
Fields: []any{
il.TextFieldConfig{
Name: "employee_name",
Type: "TEXT",
Description: "Employee name",
},
il.TextFieldConfig{
Name: "employee_tax_id",
Type: "TEXT",
Description: "Employee tax or national ID",
},
il.TextFieldConfig{
Name: "employer_name",
Type: "TEXT",
Description: "Employer name",
},
il.TextFieldConfig{
Name: "employer_tax_id",
Type: "TEXT",
Description: "Employer tax ID",
},
il.DateFieldConfig{
Name: "pay_period_start",
Type: "DATE",
Description: "Pay period start date",
},
il.DateFieldConfig{
Name: "pay_period_end",
Type: "DATE",
Description: "Pay period end date",
},
il.ArrayFieldConfig{
Name: "percepciones",
Type: "ARRAY",
Description: "Earnings or percepciones",
Fields: []any{
il.TextFieldConfig{
Name: "description",
Type: "TEXT",
Description: "Earning description",
},
il.CurrencyAmountFieldConfig{
Name: "amount",
Type: "CURRENCY_AMOUNT",
Description: "Earning amount",
},
},
},
il.ArrayFieldConfig{
Name: "deducciones",
Type: "ARRAY",
Description: "Deductions or deducciones",
Fields: []any{
il.TextFieldConfig{
Name: "description",
Type: "TEXT",
Description: "Deduction description",
},
il.CurrencyAmountFieldConfig{
Name: "amount",
Type: "CURRENCY_AMOUNT",
Description: "Deduction amount",
},
},
},
il.CurrencyAmountFieldConfig{
Name: "gross_pay",
Type: "CURRENCY_AMOUNT",
Description: "Total percepciones or gross pay",
},
il.CurrencyAmountFieldConfig{
Name: "tax_withheld",
Type: "CURRENCY_AMOUNT",
Description: "Income tax withheld",
},
il.CurrencyAmountFieldConfig{
Name: "social_security",
Type: "CURRENCY_AMOUNT",
Description: "Social security contribution",
},
il.CurrencyAmountFieldConfig{
Name: "net_pay",
Type: "CURRENCY_AMOUNT",
Description: "Neto a pagar",
},
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"
]
},
"employee_tax_id": {
"value": "Employee Tax Id",
"confidence": 0.97,
"citations": [
"EMPLOYEE TAX ID"
]
},
"employer_name": {
"value": "Northwind GmbH",
"confidence": 0.97,
"citations": [
"EMPLOYER NAME"
]
},
"employer_tax_id": {
"value": "Employer Tax Id",
"confidence": 0.97,
"citations": [
"EMPLOYER TAX ID"
]
},
"pay_period_start": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"pay_period_end": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"percepciones": {
"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": [
"PERCEPCIONES"
]
},
"deducciones": {
"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": [
"DEDUCCIONES"
]
},
"gross_pay": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"tax_withheld": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"social_security": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"net_pay": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"currency": {
"value": "EUR",
"confidence": 0.97,
"citations": [
"CURRENCY"
]
}
}
}Template
{
"name": "Extract Nomina Data",
"nodes": [
{
"parameters": {
"content": "## Extract Nomina Data\n\nPayroll and finance teams use this recipe to extract nomina fields into structured JSON for payroll checks, employee portals, and accounting reconciliation.\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-nomina-data-overview",
"name": "Overview"
},
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
250,
300
],
"id": "extract-nomina-data-trigger",
"name": "Manual Trigger"
},
{
"parameters": {
"resource": "documentExtraction",
"schemaInputMode": "rawJson",
"schemaJson": "{\n \"fields\": [\n {\n \"name\": \"employee_name\",\n \"type\": \"TEXT\",\n \"description\": \"Employee name\"\n },\n {\n \"name\": \"employee_tax_id\",\n \"type\": \"TEXT\",\n \"description\": \"Employee tax or national ID\"\n },\n {\n \"name\": \"employer_name\",\n \"type\": \"TEXT\",\n \"description\": \"Employer name\"\n },\n {\n \"name\": \"employer_tax_id\",\n \"type\": \"TEXT\",\n \"description\": \"Employer tax ID\"\n },\n {\n \"name\": \"pay_period_start\",\n \"type\": \"DATE\",\n \"description\": \"Pay period start date\"\n },\n {\n \"name\": \"pay_period_end\",\n \"type\": \"DATE\",\n \"description\": \"Pay period end date\"\n },\n {\n \"name\": \"percepciones\",\n \"type\": \"ARRAY\",\n \"description\": \"Earnings or percepciones\",\n \"fields\": [\n {\n \"name\": \"description\",\n \"type\": \"TEXT\",\n \"description\": \"Earning description\"\n },\n {\n \"name\": \"amount\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Earning amount\"\n }\n ]\n },\n {\n \"name\": \"deducciones\",\n \"type\": \"ARRAY\",\n \"description\": \"Deductions or deducciones\",\n \"fields\": [\n {\n \"name\": \"description\",\n \"type\": \"TEXT\",\n \"description\": \"Deduction description\"\n },\n {\n \"name\": \"amount\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Deduction amount\"\n }\n ]\n },\n {\n \"name\": \"gross_pay\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Total percepciones or gross pay\"\n },\n {\n \"name\": \"tax_withheld\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Income tax withheld\"\n },\n {\n \"name\": \"social_security\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Social security contribution\"\n },\n {\n \"name\": \"net_pay\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Neto a pagar\"\n },\n {\n \"name\": \"currency\",\n \"type\": \"CURRENCY_CODE\",\n \"description\": \"Currency code\"\n }\n ]\n}",
"files": {
"fileValues": [
{
"fileInputMode": "url",
"fileName": "nomina.pdf",
"fileUrl": "https://example.com/documents/nomina-sample.pdf"
}
]
}
},
"type": "n8n-nodes-iterationlayer.iterationLayer",
"typeVersion": 1,
"position": [
500,
300
],
"id": "extract-nomina-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 nomina data from the file at [file URL]. Use the extract_document tool with these fields:
- employee_name (TEXT): Employee name
- employee_tax_id (TEXT): Employee tax or national ID
- employer_name (TEXT): Employer name
- employer_tax_id (TEXT): Employer tax ID
- pay_period_start (DATE): Pay period start date
- pay_period_end (DATE): Pay period end date
- percepciones (ARRAY): Each with description (TEXT), amount (CURRENCY_AMOUNT)
- deducciones (ARRAY): Each with description (TEXT), amount (CURRENCY_AMOUNT)
- gross_pay (CURRENCY_AMOUNT): Total percepciones or gross pay
- tax_withheld (CURRENCY_AMOUNT): Income tax withheld
- social_security (CURRENCY_AMOUNT): Social security contribution
- net_pay (CURRENCY_AMOUNT): Neto a pagar
- currency (CURRENCY_CODE): Currency code