Extract structured fields from certificazione unica documents.
Scanned 9/10/2026
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---
name: extract-certificazione-unica-data
description: Extract structured fields from certificazione unica documents.
---
# Extract Certificazione Unica Data
Payroll and HR teams use this recipe to extract Certificazione Unica fields into structured JSON for payroll checks, employee records, and finance reconciliation.
## APIs Used
Document Extraction (1 credit per page)
## Prerequisites
You need an Iteration Layer API key. Get one at [platform.iterationlayer.com](https://platform.iterationlayer.com) during the 7-day trial.
For full integration guidance (SDKs, auth, MCP, error handling), see the [Iteration Layer Integration Guide](https://iterationlayer.com/SKILL.md).
## Implementation
```bash
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": "certificazione-unica.pdf",
"url": "https://example.com/documents/certificazione-unica-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "employee_name",
"type": "TEXT",
"description": "Employee name"
},
{
"name": "employer_name",
"type": "TEXT",
"description": "Employer name"
},
{
"name": "employee_identifier",
"type": "TEXT",
"description": "Employee, payroll, or taxpayer identifier"
},
{
"name": "period_end_date",
"type": "DATE",
"description": "Pay period, statement, or tax year end date"
},
{
"name": "gross_pay",
"type": "CURRENCY_AMOUNT",
"description": "Gross pay or taxable compensation"
},
{
"name": "tax_withheld",
"type": "CURRENCY_AMOUNT",
"description": "Tax withheld"
},
{
"name": "social_contributions",
"type": "CURRENCY_AMOUNT",
"description": "Social security or payroll contributions"
},
{
"name": "net_pay",
"type": "CURRENCY_AMOUNT",
"description": "Net pay"
},
{
"name": "currency",
"type": "CURRENCY_CODE",
"description": "Currency code"
}
]
}
}'
```
```typescript
import { IterationLayer } from "iterationlayer";
const client = new IterationLayer({ apiKey: "YOUR_API_KEY" });
const result = await client.extractDocument({
"files": [
{
"type": "url",
"name": "certificazione-unica.pdf",
"url": "https://example.com/documents/certificazione-unica-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "employee_name",
"type": "TEXT",
"description": "Employee name"
},
{
"name": "employer_name",
"type": "TEXT",
"description": "Employer name"
},
{
"name": "employee_identifier",
"type": "TEXT",
"description": "Employee, payroll, or taxpayer identifier"
},
{
"name": "period_end_date",
"type": "DATE",
"description": "Pay period, statement, or tax year end date"
},
{
"name": "gross_pay",
"type": "CURRENCY_AMOUNT",
"description": "Gross pay or taxable compensation"
},
{
"name": "tax_withheld",
"type": "CURRENCY_AMOUNT",
"description": "Tax withheld"
},
{
"name": "social_contributions",
"type": "CURRENCY_AMOUNT",
"description": "Social security or payroll contributions"
},
{
"name": "net_pay",
"type": "CURRENCY_AMOUNT",
"description": "Net pay"
},
{
"name": "currency",
"type": "CURRENCY_CODE",
"description": "Currency code"
}
]
}
});
```
```python
from iterationlayer import IterationLayer
client = IterationLayer(api_key="YOUR_API_KEY")
result = client.extract_document(**{
"files": [
{
"type": "url",
"name": "certificazione-unica.pdf",
"url": "https://example.com/documents/certificazione-unica-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "employee_name",
"type": "TEXT",
"description": "Employee name"
},
{
"name": "employer_name",
"type": "TEXT",
"description": "Employer name"
},
{
"name": "employee_identifier",
"type": "TEXT",
"description": "Employee, payroll, or taxpayer identifier"
},
{
"name": "period_end_date",
"type": "DATE",
"description": "Pay period, statement, or tax year end date"
},
{
"name": "gross_pay",
"type": "CURRENCY_AMOUNT",
"description": "Gross pay or taxable compensation"
},
{
"name": "tax_withheld",
"type": "CURRENCY_AMOUNT",
"description": "Tax withheld"
},
{
"name": "social_contributions",
"type": "CURRENCY_AMOUNT",
"description": "Social security or payroll contributions"
},
{
"name": "net_pay",
"type": "CURRENCY_AMOUNT",
"description": "Net pay"
},
{
"name": "currency",
"type": "CURRENCY_CODE",
"description": "Currency code"
}
]
}
})
```
```go
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: "certificazione-unica.pdf",
Url: "https://example.com/documents/certificazione-unica-sample.pdf",
},
},
Schema: il.ExtractionSchema{
Fields: []any{
il.TextFieldConfig{
Name: "employee_name",
Type: "TEXT",
Description: "Employee name",
},
il.TextFieldConfig{
Name: "employer_name",
Type: "TEXT",
Description: "Employer name",
},
il.TextFieldConfig{
Name: "employee_identifier",
Type: "TEXT",
Description: "Employee, payroll, or taxpayer identifier",
},
il.DateFieldConfig{
Name: "period_end_date",
Type: "DATE",
Description: "Pay period, statement, or tax year end date",
},
il.CurrencyAmountFieldConfig{
Name: "gross_pay",
Type: "CURRENCY_AMOUNT",
Description: "Gross pay or taxable compensation",
},
il.CurrencyAmountFieldConfig{
Name: "tax_withheld",
Type: "CURRENCY_AMOUNT",
Description: "Tax withheld",
},
il.CurrencyAmountFieldConfig{
Name: "social_contributions",
Type: "CURRENCY_AMOUNT",
Description: "Social security or payroll contributions",
},
il.CurrencyAmountFieldConfig{
Name: "net_pay",
Type: "CURRENCY_AMOUNT",
Description: "Net pay",
},
il.CurrencyCodeFieldConfig{
Name: "currency",
Type: "CURRENCY_CODE",
Description: "Currency code",
},
},
},
})
if err != nil {
panic(err)
}
_ = result
}
```
```n8n
{
"name": "Extract Certificazione Unica Data",
"nodes": [
{
"parameters": {
"content": "## Extract Certificazione Unica Data\n\nPayroll and HR teams use this recipe to extract Certificazione Unica fields into structured JSON for payroll checks, employee records, and finance 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-certificazione-unica-data-overview",
"name": "Overview"
},
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
250,
300
],
"id": "extract-certificazione-unica-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\": \"employer_name\",\n \"type\": \"TEXT\",\n \"description\": \"Employer name\"\n },\n {\n \"name\": \"employee_identifier\",\n \"type\": \"TEXT\",\n \"description\": \"Employee, payroll, or taxpayer identifier\"\n },\n {\n \"name\": \"period_end_date\",\n \"type\": \"DATE\",\n \"description\": \"Pay period, statement, or tax year end date\"\n },\n {\n \"name\": \"gross_pay\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Gross pay or taxable compensation\"\n },\n {\n \"name\": \"tax_withheld\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Tax withheld\"\n },\n {\n \"name\": \"social_contributions\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Social security or payroll contributions\"\n },\n {\n \"name\": \"net_pay\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Net pay\"\n },\n {\n \"name\": \"currency\",\n \"type\": \"CURRENCY_CODE\",\n \"description\": \"Currency code\"\n }\n ]\n}",
"files": {
"fileValues": [
{
"fileInputMode": "url",
"fileName": "certificazione-unica.pdf",
"fileUrl": "https://example.com/documents/certificazione-unica-sample.pdf"
}
]
}
},
"type": "n8n-nodes-iterationlayer.iterationLayer",
"typeVersion": 1,
"position": [
500,
300
],
"id": "extract-certificazione-unica-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 certificazione unica data from the file at [file URL]. Use the extract_document tool with these fields:
- employee_name (TEXT): Employee name
- employer_name (TEXT): Employer name
- employee_identifier (TEXT): Employee, payroll, or taxpayer identifier
- period_end_date (DATE): Pay period, statement, or tax year end date
- gross_pay (CURRENCY_AMOUNT): Gross pay or taxable compensation
- tax_withheld (CURRENCY_AMOUNT): Tax withheld
- social_contributions (CURRENCY_AMOUNT): Social security or payroll contributions
- net_pay (CURRENCY_AMOUNT): Net pay
- currency (CURRENCY_CODE): Currency code
```
### Response
```json
{
"success": true,
"data": {
"employee_name": {
"value": "Employee Name",
"confidence": 0.97,
"citations": [
"EMPLOYEE NAME"
]
},
"employer_name": {
"value": "Employer Name",
"confidence": 0.97,
"citations": [
"EMPLOYER NAME"
]
},
"employee_identifier": {
"value": "Employee Identifier",
"confidence": 0.97,
"citations": [
"EMPLOYEE IDENTIFIER"
]
},
"period_end_date": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"gross_pay": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"EUR 1,234.56"
]
},
"tax_withheld": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"EUR 1,234.56"
]
},
"social_contributions": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"EUR 1,234.56"
]
},
"net_pay": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"EUR 1,234.56"
]
},
"currency": {
"value": "EUR",
"confidence": 0.97,
"citations": [
"CURRENCY"
]
}
}
}
```
## Links
- [Integration guide](https://iterationlayer.com/SKILL.md)
- [Full documentation](https://iterationlayer.com/docs)
- [OpenAPI spec](https://api.iterationlayer.com/openapi.json)
- [Browse all recipes](https://iterationlayer.com/recipes)
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