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iterationlayer/skills42026年6月9日 更新
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extract-supplier-invoice-for-erp
Extract supplier invoice details structured for direct import into ERP systems like SAP, Oracle, or Microsoft Dynamics.
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Extract Supplier Invoice Data for ERP Import
Finance agencies and outsourced AP teams use this recipe to process supplier invoices into structured data that maps directly to ERP import fields — vendor ID, GL codes, tax breakdowns, and payment terms — eliminating manual data entry.
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": "supplier-invoice-SI-8842.pdf",
"url": "https://example.com/invoices/supplier-invoice-SI-8842.pdf"
}
],
"schema": {
"fields": [
{
"name": "vendor_name",
"type": "TEXT",
"description": "Supplier or vendor company name"
},
{
"name": "vendor_tax_id",
"type": "TEXT",
"description": "Vendor VAT or tax identification number"
},
{
"name": "vendor_iban",
"type": "IBAN",
"description": "Vendor bank account IBAN"
},
{
"name": "invoice_number",
"type": "TEXT",
"description": "Supplier invoice number"
},
{
"name": "invoice_date",
"type": "DATE",
"description": "Invoice issue date"
},
{
"name": "due_date",
"type": "DATE",
"description": "Payment due date"
},
{
"name": "payment_terms",
"type": "TEXT",
"description": "Payment terms, e.g. Net 30"
},
{
"name": "currency",
"type": "CURRENCY_CODE",
"description": "Invoice currency"
},
{
"name": "line_items",
"type": "ARRAY",
"description": "Invoice line items",
"fields": [
{
"name": "description",
"type": "TEXT",
"description": "Item or service description"
},
{
"name": "gl_code",
"type": "TEXT",
"description": "General ledger account code if present"
},
{
"name": "quantity",
"type": "DECIMAL",
"description": "Quantity"
},
{
"name": "unit_price",
"type": "CURRENCY_AMOUNT",
"description": "Unit price"
},
{
"name": "line_total",
"type": "CURRENCY_AMOUNT",
"description": "Line item total"
}
]
},
{
"name": "subtotal",
"type": "CURRENCY_AMOUNT",
"description": "Subtotal before tax"
},
{
"name": "tax_amount",
"type": "CURRENCY_AMOUNT",
"description": "Total tax amount"
},
{
"name": "tax_rate",
"type": "DECIMAL",
"description": "Tax rate as a percentage"
},
{
"name": "total_amount",
"type": "CURRENCY_AMOUNT",
"description": "Total amount due"
}
]
}
}'
import { IterationLayer } from "iterationlayer";
const client = new IterationLayer({ apiKey: "YOUR_API_KEY" });
const result = await client.extractDocument({
files: [
{
type: "url",
name: "supplier-invoice-SI-8842.pdf",
url: "https://example.com/invoices/supplier-invoice-SI-8842.pdf",
},
],
schema: {
fields: [
{ name: "vendor_name", type: "TEXT", description: "Supplier or vendor company name" },
{ name: "vendor_tax_id", type: "TEXT", description: "Vendor VAT or tax identification number" },
{ name: "vendor_iban", type: "IBAN", description: "Vendor bank account IBAN" },
{ name: "invoice_number", type: "TEXT", description: "Supplier invoice number" },
{ name: "invoice_date", type: "DATE", description: "Invoice issue date" },
{ name: "due_date", type: "DATE", description: "Payment due date" },
{ name: "payment_terms", type: "TEXT", description: "Payment terms, e.g. Net 30" },
{ name: "currency", type: "CURRENCY_CODE", description: "Invoice currency" },
{
name: "line_items",
type: "ARRAY",
description: "Invoice line items",
fields: [
{ name: "description", type: "TEXT", description: "Item or service description" },
{ name: "gl_code", type: "TEXT", description: "General ledger account code if present" },
{ name: "quantity", type: "DECIMAL", description: "Quantity" },
{ name: "unit_price", type: "CURRENCY_AMOUNT", description: "Unit price" },
{ name: "line_total", type: "CURRENCY_AMOUNT", description: "Line item total" },
],
},
{ name: "subtotal", type: "CURRENCY_AMOUNT", description: "Subtotal before tax" },
{ name: "tax_amount", type: "CURRENCY_AMOUNT", description: "Total tax amount" },
{ name: "tax_rate", type: "DECIMAL", description: "Tax rate as a percentage" },
{ name: "total_amount", type: "CURRENCY_AMOUNT", description: "Total amount due" },
],
},
});
from iterationlayer import IterationLayer
client = IterationLayer(api_key="YOUR_API_KEY")
result = client.extract_document(
files=[
{
"type": "url",
"name": "supplier-invoice-SI-8842.pdf",
"url": "https://example.com/invoices/supplier-invoice-SI-8842.pdf",
}
],
schema={
"fields": [
{"name": "vendor_name", "type": "TEXT", "description": "Supplier or vendor company name"},
{"name": "vendor_tax_id", "type": "TEXT", "description": "Vendor VAT or tax identification number"},
{"name": "vendor_iban", "type": "IBAN", "description": "Vendor bank account IBAN"},
{"name": "invoice_number", "type": "TEXT", "description": "Supplier invoice number"},
{"name": "invoice_date", "type": "DATE", "description": "Invoice issue date"},
{"name": "due_date", "type": "DATE", "description": "Payment due date"},
{"name": "payment_terms", "type": "TEXT", "description": "Payment terms, e.g. Net 30"},
{"name": "currency", "type": "CURRENCY_CODE", "description": "Invoice currency"},
{
"name": "line_items",
"type": "ARRAY",
"description": "Invoice line items",
"fields": [
{"name": "description", "type": "TEXT", "description": "Item or service description"},
{"name": "gl_code", "type": "TEXT", "description": "General ledger account code if present"},
{"name": "quantity", "type": "DECIMAL", "description": "Quantity"},
{"name": "unit_price", "type": "CURRENCY_AMOUNT", "description": "Unit price"},
{"name": "line_total", "type": "CURRENCY_AMOUNT", "description": "Line item total"},
],
},
{"name": "subtotal", "type": "CURRENCY_AMOUNT", "description": "Subtotal before tax"},
{"name": "tax_amount", "type": "CURRENCY_AMOUNT", "description": "Total tax amount"},
{"name": "tax_rate", "type": "DECIMAL", "description": "Tax rate as a percentage"},
{"name": "total_amount", "type": "CURRENCY_AMOUNT", "description": "Total amount due"},
]
},
)
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: "supplier-invoice-SI-8842.pdf",
Url: "https://example.com/invoices/supplier-invoice-SI-8842.pdf",
},
},
Schema: il.ExtractionSchema{
Fields: []any{
il.TextFieldConfig{
Name: "vendor_name",
Type: "TEXT",
Description: "Supplier or vendor company name",
},
il.TextFieldConfig{
Name: "vendor_tax_id",
Type: "TEXT",
Description: "Vendor VAT or tax identification number",
},
il.IbanFieldConfig{
Name: "vendor_iban",
Type: "IBAN",
Description: "Vendor bank account IBAN",
},
il.TextFieldConfig{
Name: "invoice_number",
Type: "TEXT",
Description: "Supplier invoice number",
},
il.DateFieldConfig{
Name: "invoice_date",
Type: "DATE",
Description: "Invoice issue date",
},
il.DateFieldConfig{
Name: "due_date",
Type: "DATE",
Description: "Payment due date",
},
il.TextFieldConfig{
Name: "payment_terms",
Type: "TEXT",
Description: "Payment terms, e.g. Net 30",
},
il.CurrencyCodeFieldConfig{
Name: "currency",
Type: "CURRENCY_CODE",
Description: "Invoice currency",
},
il.ArrayFieldConfig{
Name: "line_items",
Type: "ARRAY",
Description: "Invoice line items",
Fields: []any{
il.TextFieldConfig{
Name: "description",
Type: "TEXT",
Description: "Item or service description",
},
il.TextFieldConfig{
Name: "gl_code",
Type: "TEXT",
Description: "General ledger account code if present",
},
il.DecimalFieldConfig{
Name: "quantity",
Type: "DECIMAL",
Description: "Quantity",
},
il.CurrencyAmountFieldConfig{
Name: "unit_price",
Type: "CURRENCY_AMOUNT",
Description: "Unit price",
},
il.CurrencyAmountFieldConfig{
Name: "line_total",
Type: "CURRENCY_AMOUNT",
Description: "Line item total",
},
},
},
il.CurrencyAmountFieldConfig{
Name: "subtotal",
Type: "CURRENCY_AMOUNT",
Description: "Subtotal before tax",
},
il.CurrencyAmountFieldConfig{
Name: "tax_amount",
Type: "CURRENCY_AMOUNT",
Description: "Total tax amount",
},
il.DecimalFieldConfig{
Name: "tax_rate",
Type: "DECIMAL",
Description: "Tax rate as a percentage",
},
il.CurrencyAmountFieldConfig{
Name: "total_amount",
Type: "CURRENCY_AMOUNT",
Description: "Total amount due",
},
},
},
})
if err != nil {
panic(err)
}
_ = result
}
{
"name": "Extract supplier invoice data for ERP import in Iteration Layer",
"nodes": [
{
"parameters": {
"content": "## Extract Supplier Invoice Data for ERP Import\n\nFinance agencies and outsourced AP teams use this recipe to process supplier invoices into structured data that maps directly to ERP import fields — vendor ID, GL codes, tax breakdowns, and payment terms — eliminating manual data entry.\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": "a7b8c9d0-e1f2-3456-abcd-456789012301",
"name": "Overview"
},
{
"parameters": {
"content": "### Step 1: Extract Invoice Data\nResource: **Document Extraction**\n\nConfigure the Document Extraction parameters below, then connect your credentials.",
"height": 160,
"width": 300,
"color": 6
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
475,
100
],
"id": "a7b8c9d0-e1f2-3456-abcd-456789012302",
"name": "Step 1 Note"
},
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
250,
300
],
"id": "a7b8c9d0-e1f2-3456-abcd-456789012303",
"name": "Manual Trigger"
},
{
"parameters": {
"resource": "documentExtraction",
"schemaInputMode": "rawJson",
"schemaJson": "{\"fields\":[{\"name\":\"vendor_name\",\"type\":\"TEXT\",\"description\":\"Supplier or vendor company name\"},{\"name\":\"vendor_tax_id\",\"type\":\"TEXT\",\"description\":\"Vendor VAT or tax identification number\"},{\"name\":\"vendor_iban\",\"type\":\"IBAN\",\"description\":\"Vendor bank account IBAN\"},{\"name\":\"invoice_number\",\"type\":\"TEXT\",\"description\":\"Supplier invoice number\"},{\"name\":\"invoice_date\",\"type\":\"DATE\",\"description\":\"Invoice issue date\"},{\"name\":\"due_date\",\"type\":\"DATE\",\"description\":\"Payment due date\"},{\"name\":\"payment_terms\",\"type\":\"TEXT\",\"description\":\"Payment terms\"},{\"name\":\"currency\",\"type\":\"CURRENCY_CODE\",\"description\":\"Invoice currency\"},{\"name\":\"line_items\",\"type\":\"ARRAY\",\"description\":\"Invoice line items\",\"fields\":[{\"name\":\"description\",\"type\":\"TEXT\",\"description\":\"Item or service description\"},{\"name\":\"gl_code\",\"type\":\"TEXT\",\"description\":\"General ledger account code\"},{\"name\":\"quantity\",\"type\":\"DECIMAL\",\"description\":\"Quantity\"},{\"name\":\"unit_price\",\"type\":\"CURRENCY_AMOUNT\",\"description\":\"Unit price\"},{\"name\":\"line_total\",\"type\":\"CURRENCY_AMOUNT\",\"description\":\"Line item total\"}]},{\"name\":\"subtotal\",\"type\":\"CURRENCY_AMOUNT\",\"description\":\"Subtotal before tax\"},{\"name\":\"tax_amount\",\"type\":\"CURRENCY_AMOUNT\",\"description\":\"Total tax amount\"},{\"name\":\"tax_rate\",\"type\":\"DECIMAL\",\"description\":\"Tax rate as a percentage\"},{\"name\":\"total_amount\",\"type\":\"CURRENCY_AMOUNT\",\"description\":\"Total amount due\"}]}",
"files": {
"fileValues": [
{
"fileInputMode": "url",
"fileName": "supplier-invoice-SI-8842.pdf",
"fileUrl": "https://example.com/invoices/supplier-invoice-SI-8842.pdf"
}
]
}
},
"type": "n8n-nodes-iterationlayer.iterationLayer",
"typeVersion": 1,
"position": [
500,
300
],
"id": "a7b8c9d0-e1f2-3456-abcd-456789012304",
"name": "Extract Invoice Data",
"credentials": {
"iterationLayerApi": {
"id": "1",
"name": "Iteration Layer API"
}
}
}
],
"connections": {
"Manual Trigger": {
"main": [
[
{
"node": "Extract Invoice Data",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1"
}
}
Extract supplier invoice data for ERP import from the file at [file URL]. Use the extract_document tool with these fields:
- vendor_name (TEXT): Supplier or vendor company name
- vendor_tax_id (TEXT): Vendor VAT or tax identification number
- vendor_iban (IBAN): Vendor bank account IBAN
- invoice_number (TEXT): Supplier invoice number
- invoice_date (DATE): Invoice issue date
- due_date (DATE): Payment due date
- payment_terms (TEXT): Payment terms, e.g. Net 30
- currency (CURRENCY_CODE): Invoice currency
- line_items (ARRAY): Each with description (TEXT), gl_code (TEXT), quantity (DECIMAL), unit_price (CURRENCY_AMOUNT), line_total (CURRENCY_AMOUNT)
- subtotal (CURRENCY_AMOUNT): Subtotal before tax
- tax_amount (CURRENCY_AMOUNT): Total tax amount
- tax_rate (DECIMAL): Tax rate as a percentage
- total_amount (CURRENCY_AMOUNT): Total amount due
Response
{
"success": true,
"data": {
"vendor_name": {
"value": "Brenner Industrial Supply GmbH",
"confidence": 0.98,
"citations": [
"Brenner Industrial Supply GmbH"
]
},
"vendor_tax_id": {
"value": "DE298374561",
"confidence": 0.97,
"citations": [
"USt-IdNr.: DE298374561"
]
},
"vendor_iban": {
"value": "DE89370400440532013000",
"confidence": 0.96,
"citations": [
"IBAN: DE89 3704 0044 0532 0130 00"
]
},
"invoice_number": {
"value": "SI-8842",
"confidence": 0.99,
"citations": [
"Rechnung Nr. SI-8842"
]
},
"invoice_date": {
"value": "2026-03-20",
"confidence": 0.98,
"citations": [
"Datum: 20.03.2026"
]
},
"due_date": {
"value": "2026-04-19",
"confidence": 0.97,
"citations": [
"Zahlungsziel: 19.04.2026"
]
},
"payment_terms": {
"value": "Net 30",
"confidence": 0.95,
"citations": [
"Zahlungsbedingungen: 30 Tage netto"
]
},
"currency": {
"value": "EUR",
"confidence": 0.99,
"citations": [
"EUR"
]
},
"line_items": {
"value": [
{
"description": {
"value": "Hydraulic press maintenance kit",
"confidence": 0.96,
"citations": [
"Hydraulic press maintenance kit"
]
},
"gl_code": {
"value": "6200",
"confidence": 0.88,
"citations": [
"Konto 6200"
]
},
"quantity": {
"value": 2.0,
"confidence": 0.98,
"citations": [
"Menge: 2"
]
},
"unit_price": {
"value": {
"amount": "340.00",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"340,00 EUR"
]
},
"line_total": {
"value": {
"amount": "680.00",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"680,00 EUR"
]
}
}
],
"confidence": 0.96,
"citations": []
},
"subtotal": {
"value": {
"amount": "680.00",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"Nettobetrag: 680,00 EUR"
]
},
"tax_amount": {
"value": {
"amount": "129.20",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"MwSt. 19%: 129,20 EUR"
]
},
"tax_rate": {
"value": 19.0,
"confidence": 0.98,
"citations": [
"19%"
]
},
"total_amount": {
"value": {
"amount": "809.20",
"currency": "EUR"
},
"confidence": 0.98,
"citations": [
"Gesamtbetrag: 809,20 EUR"
]
}
}
}
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