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iterationlayer/skills42026年6月9日 更新
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extract-i-9-data
Extract structured fields from i-9 documents.
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SKILL.md（原文）
安装前可以查看交给 AI 代理的指令内容。
Extract I-9 Data
Finance teams use this recipe to extract I-9 fields into structured JSON for accounts receivable, accounts payable, tax, and ERP workflows.
APIs Used
Document Extraction (1 credit per page)
Prerequisites
You need an Iteration Layer API key. Get one at platform.iterationlayer.com during the 7-day trial.
For full integration guidance (SDKs, auth, MCP, error handling), see the Iteration Layer Integration Guide.
Implementation
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": "i-9.pdf",
"url": "https://example.com/documents/i-9-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "employee_last_name",
"type": "TEXT",
"description": "Employee last name"
},
{
"name": "employee_first_name",
"type": "TEXT",
"description": "Employee first name"
},
{
"name": "employee_address",
"type": "ADDRESS",
"description": "Employee address"
},
{
"name": "date_of_birth",
"type": "DATE",
"description": "Employee date of birth"
},
{
"name": "citizenship_status",
"type": "TEXT",
"description": "Selected citizenship or immigration status"
},
{
"name": "alien_registration_or_uscis_number",
"type": "TEXT",
"description": "Alien Registration Number or USCIS Number if provided"
},
{
"name": "document_title",
"type": "TEXT",
"description": "List A, B, or C document title"
},
{
"name": "document_number",
"type": "TEXT",
"description": "Document number"
},
{
"name": "document_expiration_date",
"type": "DATE",
"description": "Document expiration date"
},
{
"name": "employer_name",
"type": "TEXT",
"description": "Employer or authorized representative name"
},
{
"name": "employer_signature_date",
"type": "DATE",
"description": "Employer certification date"
}
]
}
}'
import { IterationLayer } from "iterationlayer";
const client = new IterationLayer({ apiKey: "YOUR_API_KEY" });
const result = await client.extractDocument({
"files": [
{
"type": "url",
"name": "i-9.pdf",
"url": "https://example.com/documents/i-9-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "employee_last_name",
"type": "TEXT",
"description": "Employee last name"
},
{
"name": "employee_first_name",
"type": "TEXT",
"description": "Employee first name"
},
{
"name": "employee_address",
"type": "ADDRESS",
"description": "Employee address"
},
{
"name": "date_of_birth",
"type": "DATE",
"description": "Employee date of birth"
},
{
"name": "citizenship_status",
"type": "TEXT",
"description": "Selected citizenship or immigration status"
},
{
"name": "alien_registration_or_uscis_number",
"type": "TEXT",
"description": "Alien Registration Number or USCIS Number if provided"
},
{
"name": "document_title",
"type": "TEXT",
"description": "List A, B, or C document title"
},
{
"name": "document_number",
"type": "TEXT",
"description": "Document number"
},
{
"name": "document_expiration_date",
"type": "DATE",
"description": "Document expiration date"
},
{
"name": "employer_name",
"type": "TEXT",
"description": "Employer or authorized representative name"
},
{
"name": "employer_signature_date",
"type": "DATE",
"description": "Employer certification date"
}
]
}
});
from iterationlayer import IterationLayer
client = IterationLayer(api_key="YOUR_API_KEY")
result = client.extract_document(**{
"files": [
{
"type": "url",
"name": "i-9.pdf",
"url": "https://example.com/documents/i-9-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "employee_last_name",
"type": "TEXT",
"description": "Employee last name"
},
{
"name": "employee_first_name",
"type": "TEXT",
"description": "Employee first name"
},
{
"name": "employee_address",
"type": "ADDRESS",
"description": "Employee address"
},
{
"name": "date_of_birth",
"type": "DATE",
"description": "Employee date of birth"
},
{
"name": "citizenship_status",
"type": "TEXT",
"description": "Selected citizenship or immigration status"
},
{
"name": "alien_registration_or_uscis_number",
"type": "TEXT",
"description": "Alien Registration Number or USCIS Number if provided"
},
{
"name": "document_title",
"type": "TEXT",
"description": "List A, B, or C document title"
},
{
"name": "document_number",
"type": "TEXT",
"description": "Document number"
},
{
"name": "document_expiration_date",
"type": "DATE",
"description": "Document expiration date"
},
{
"name": "employer_name",
"type": "TEXT",
"description": "Employer or authorized representative name"
},
{
"name": "employer_signature_date",
"type": "DATE",
"description": "Employer certification date"
}
]
}
})
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: "i-9.pdf",
Url: "https://example.com/documents/i-9-sample.pdf",
},
},
Schema: il.ExtractionSchema{
Fields: []any{
il.TextFieldConfig{
Name: "employee_last_name",
Type: "TEXT",
Description: "Employee last name",
},
il.TextFieldConfig{
Name: "employee_first_name",
Type: "TEXT",
Description: "Employee first name",
},
il.AddressFieldConfig{
Name: "employee_address",
Type: "ADDRESS",
Description: "Employee address",
},
il.DateFieldConfig{
Name: "date_of_birth",
Type: "DATE",
Description: "Employee date of birth",
},
il.TextFieldConfig{
Name: "citizenship_status",
Type: "TEXT",
Description: "Selected citizenship or immigration status",
},
il.TextFieldConfig{
Name: "alien_registration_or_uscis_number",
Type: "TEXT",
Description: "Alien Registration Number or USCIS Number if provided",
},
il.TextFieldConfig{
Name: "document_title",
Type: "TEXT",
Description: "List A, B, or C document title",
},
il.TextFieldConfig{
Name: "document_number",
Type: "TEXT",
Description: "Document number",
},
il.DateFieldConfig{
Name: "document_expiration_date",
Type: "DATE",
Description: "Document expiration date",
},
il.TextFieldConfig{
Name: "employer_name",
Type: "TEXT",
Description: "Employer or authorized representative name",
},
il.DateFieldConfig{
Name: "employer_signature_date",
Type: "DATE",
Description: "Employer certification date",
},
},
},
})
if err != nil {
panic(err)
}
_ = result
}
{
"name": "Extract I-9 Data",
"nodes": [
{
"parameters": {
"content": "## Extract I-9 Data\n\nFinance teams use this recipe to extract I-9 fields into structured JSON for accounts receivable, accounts payable, tax, and ERP 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-i-9-data-overview",
"name": "Overview"
},
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
250,
300
],
"id": "extract-i-9-data-trigger",
"name": "Manual Trigger"
},
{
"parameters": {
"resource": "documentExtraction",
"schemaInputMode": "rawJson",
"schemaJson": "{\n \"fields\": [\n {\n \"name\": \"employee_last_name\",\n \"type\": \"TEXT\",\n \"description\": \"Employee last name\"\n },\n {\n \"name\": \"employee_first_name\",\n \"type\": \"TEXT\",\n \"description\": \"Employee first name\"\n },\n {\n \"name\": \"employee_address\",\n \"type\": \"ADDRESS\",\n \"description\": \"Employee address\"\n },\n {\n \"name\": \"date_of_birth\",\n \"type\": \"DATE\",\n \"description\": \"Employee date of birth\"\n },\n {\n \"name\": \"citizenship_status\",\n \"type\": \"TEXT\",\n \"description\": \"Selected citizenship or immigration status\"\n },\n {\n \"name\": \"alien_registration_or_uscis_number\",\n \"type\": \"TEXT\",\n \"description\": \"Alien Registration Number or USCIS Number if provided\"\n },\n {\n \"name\": \"document_title\",\n \"type\": \"TEXT\",\n \"description\": \"List A, B, or C document title\"\n },\n {\n \"name\": \"document_number\",\n \"type\": \"TEXT\",\n \"description\": \"Document number\"\n },\n {\n \"name\": \"document_expiration_date\",\n \"type\": \"DATE\",\n \"description\": \"Document expiration date\"\n },\n {\n \"name\": \"employer_name\",\n \"type\": \"TEXT\",\n \"description\": \"Employer or authorized representative name\"\n },\n {\n \"name\": \"employer_signature_date\",\n \"type\": \"DATE\",\n \"description\": \"Employer certification date\"\n }\n ]\n}",
"files": {
"fileValues": [
{
"fileInputMode": "url",
"fileName": "i-9.pdf",
"fileUrl": "https://example.com/documents/i-9-sample.pdf"
}
]
}
},
"type": "n8n-nodes-iterationlayer.iterationLayer",
"typeVersion": 1,
"position": [
500,
300
],
"id": "extract-i-9-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"
}
}
Extract i-9 data from the file at [file URL]. Use the extract_document tool with these fields:
- employee_last_name (TEXT): Employee last name
- employee_first_name (TEXT): Employee first name
- employee_address (ADDRESS): Employee address
- date_of_birth (DATE): Employee date of birth
- citizenship_status (TEXT): Selected citizenship or immigration status
- alien_registration_or_uscis_number (TEXT): Alien Registration Number or USCIS Number if provided
- document_title (TEXT): List A, B, or C document title
- document_number (TEXT): Document number
- document_expiration_date (DATE): Document expiration date
- employer_name (TEXT): Employer or authorized representative name
- employer_signature_date (DATE): Employer certification date
Response
{
"success": true,
"data": {
"employee_last_name": {
"value": "Employee Last Name",
"confidence": 0.97,
"citations": [
"EMPLOYEE LAST NAME"
]
},
"employee_first_name": {
"value": "Employee First Name",
"confidence": 0.97,
"citations": [
"EMPLOYEE FIRST NAME"
]
},
"employee_address": {
"value": {
"street": "100 Market Street",
"city": "Berlin",
"postal_code": "10115",
"country": "DE"
},
"confidence": 0.97,
"citations": [
"EMPLOYEE ADDRESS"
]
},
"date_of_birth": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"citizenship_status": {
"value": "Citizenship Status",
"confidence": 0.97,
"citations": [
"CITIZENSHIP STATUS"
]
},
"alien_registration_or_uscis_number": {
"value": "Alien Registration Or Uscis Number",
"confidence": 0.97,
"citations": [
"ALIEN REGISTRATION OR USCIS NUMBER"
]
},
"document_title": {
"value": "Document Title",
"confidence": 0.97,
"citations": [
"DOCUMENT TITLE"
]
},
"document_number": {
"value": "BL-2026-00418",
"confidence": 0.97,
"citations": [
"DOCUMENT NUMBER"
]
},
"document_expiration_date": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"employer_name": {
"value": "Employer Name",
"confidence": 0.97,
"citations": [
"EMPLOYER NAME"
]
},
"employer_signature_date": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
}
}
}
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