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": "packing-list.pdf",
"url": "https://example.com/documents/packing-list-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "packing_list_number",
"type": "TEXT",
"description": "Packing list number"
},
{
"name": "invoice_or_order_number",
"type": "TEXT",
"description": "Related invoice, order, or PO number"
},
{
"name": "shipper_name",
"type": "TEXT",
"description": "Shipper name"
},
{
"name": "consignee_name",
"type": "TEXT",
"description": "Consignee name"
},
{
"name": "ship_date",
"type": "DATE",
"description": "Ship date"
},
{
"name": "packages",
"type": "ARRAY",
"description": "Package or carton lines",
"fields": [
{
"name": "package_number",
"type": "TEXT",
"description": "Carton, pallet, or package number"
},
{
"name": "sku",
"type": "TEXT",
"description": "SKU or item code"
},
{
"name": "description",
"type": "TEXT",
"description": "Item description"
},
{
"name": "quantity",
"type": "DECIMAL",
"description": "Quantity packed"
},
{
"name": "net_weight_kg",
"type": "DECIMAL",
"description": "Net weight in kilograms"
},
{
"name": "gross_weight_kg",
"type": "DECIMAL",
"description": "Gross weight in kilograms"
},
{
"name": "dimensions",
"type": "TEXT",
"description": "Package dimensions if shown"
}
]
},
{
"name": "total_packages",
"type": "DECIMAL",
"description": "Total number of packages"
},
{
"name": "total_gross_weight_kg",
"type": "DECIMAL",
"description": "Total gross weight in kilograms"
}
]
}
}'Response
{
"success": true,
"data": {
"packing_list_number": {
"value": "Packing List Number",
"confidence": 0.97,
"citations": [
"PACKING LIST NUMBER"
]
},
"invoice_or_order_number": {
"value": "Invoice Or Order Number",
"confidence": 0.97,
"citations": [
"INVOICE OR ORDER NUMBER"
]
},
"shipper_name": {
"value": "Nordic Components GmbH",
"confidence": 0.97,
"citations": [
"SHIPPER NAME"
]
},
"consignee_name": {
"value": "Acme Distribution Inc.",
"confidence": 0.97,
"citations": [
"CONSIGNEE NAME"
]
},
"ship_date": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"packages": {
"value": [
{
"package_number": {
"value": "Package Number",
"confidence": 0.96,
"citations": [
"PACKAGE NUMBER"
]
},
"sku": {
"value": "Sku",
"confidence": 0.96,
"citations": [
"SKU"
]
},
"description": {
"value": "Description",
"confidence": 0.96,
"citations": [
"DESCRIPTION"
]
},
"quantity": {
"value": 12.5,
"confidence": 0.96,
"citations": [
"QUANTITY"
]
},
"net_weight_kg": {
"value": 12.5,
"confidence": 0.96,
"citations": [
"NET WEIGHT KG"
]
},
"gross_weight_kg": {
"value": 12.5,
"confidence": 0.96,
"citations": [
"GROSS WEIGHT KG"
]
},
"dimensions": {
"value": "Dimensions",
"confidence": 0.96,
"citations": [
"DIMENSIONS"
]
}
}
],
"confidence": 0.97,
"citations": [
"PACKAGES"
]
},
"total_packages": {
"value": 12.5,
"confidence": 0.97,
"citations": [
"TOTAL PACKAGES"
]
},
"total_gross_weight_kg": {
"value": 12.5,
"confidence": 0.97,
"citations": [
"TOTAL GROSS WEIGHT KG"
]
}
}
}Request
import { IterationLayer } from "iterationlayer";
const client = new IterationLayer({ apiKey: "YOUR_API_KEY" });
const result = await client.extractDocument({
"files": [
{
"type": "url",
"name": "packing-list.pdf",
"url": "https://example.com/documents/packing-list-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "packing_list_number",
"type": "TEXT",
"description": "Packing list number"
},
{
"name": "invoice_or_order_number",
"type": "TEXT",
"description": "Related invoice, order, or PO number"
},
{
"name": "shipper_name",
"type": "TEXT",
"description": "Shipper name"
},
{
"name": "consignee_name",
"type": "TEXT",
"description": "Consignee name"
},
{
"name": "ship_date",
"type": "DATE",
"description": "Ship date"
},
{
"name": "packages",
"type": "ARRAY",
"description": "Package or carton lines",
"fields": [
{
"name": "package_number",
"type": "TEXT",
"description": "Carton, pallet, or package number"
},
{
"name": "sku",
"type": "TEXT",
"description": "SKU or item code"
},
{
"name": "description",
"type": "TEXT",
"description": "Item description"
},
{
"name": "quantity",
"type": "DECIMAL",
"description": "Quantity packed"
},
{
"name": "net_weight_kg",
"type": "DECIMAL",
"description": "Net weight in kilograms"
},
{
"name": "gross_weight_kg",
"type": "DECIMAL",
"description": "Gross weight in kilograms"
},
{
"name": "dimensions",
"type": "TEXT",
"description": "Package dimensions if shown"
}
]
},
{
"name": "total_packages",
"type": "DECIMAL",
"description": "Total number of packages"
},
{
"name": "total_gross_weight_kg",
"type": "DECIMAL",
"description": "Total gross weight in kilograms"
}
]
}
});Response
{
"success": true,
"data": {
"packing_list_number": {
"value": "Packing List Number",
"confidence": 0.97,
"citations": [
"PACKING LIST NUMBER"
]
},
"invoice_or_order_number": {
"value": "Invoice Or Order Number",
"confidence": 0.97,
"citations": [
"INVOICE OR ORDER NUMBER"
]
},
"shipper_name": {
"value": "Nordic Components GmbH",
"confidence": 0.97,
"citations": [
"SHIPPER NAME"
]
},
"consignee_name": {
"value": "Acme Distribution Inc.",
"confidence": 0.97,
"citations": [
"CONSIGNEE NAME"
]
},
"ship_date": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"packages": {
"value": [
{
"package_number": {
"value": "Package Number",
"confidence": 0.96,
"citations": [
"PACKAGE NUMBER"
]
},
"sku": {
"value": "Sku",
"confidence": 0.96,
"citations": [
"SKU"
]
},
"description": {
"value": "Description",
"confidence": 0.96,
"citations": [
"DESCRIPTION"
]
},
"quantity": {
"value": 12.5,
"confidence": 0.96,
"citations": [
"QUANTITY"
]
},
"net_weight_kg": {
"value": 12.5,
"confidence": 0.96,
"citations": [
"NET WEIGHT KG"
]
},
"gross_weight_kg": {
"value": 12.5,
"confidence": 0.96,
"citations": [
"GROSS WEIGHT KG"
]
},
"dimensions": {
"value": "Dimensions",
"confidence": 0.96,
"citations": [
"DIMENSIONS"
]
}
}
],
"confidence": 0.97,
"citations": [
"PACKAGES"
]
},
"total_packages": {
"value": 12.5,
"confidence": 0.97,
"citations": [
"TOTAL PACKAGES"
]
},
"total_gross_weight_kg": {
"value": 12.5,
"confidence": 0.97,
"citations": [
"TOTAL GROSS WEIGHT KG"
]
}
}
}Request
from iterationlayer import IterationLayer
client = IterationLayer(api_key="YOUR_API_KEY")
result = client.extract_document(**{
"files": [
{
"type": "url",
"name": "packing-list.pdf",
"url": "https://example.com/documents/packing-list-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "packing_list_number",
"type": "TEXT",
"description": "Packing list number"
},
{
"name": "invoice_or_order_number",
"type": "TEXT",
"description": "Related invoice, order, or PO number"
},
{
"name": "shipper_name",
"type": "TEXT",
"description": "Shipper name"
},
{
"name": "consignee_name",
"type": "TEXT",
"description": "Consignee name"
},
{
"name": "ship_date",
"type": "DATE",
"description": "Ship date"
},
{
"name": "packages",
"type": "ARRAY",
"description": "Package or carton lines",
"fields": [
{
"name": "package_number",
"type": "TEXT",
"description": "Carton, pallet, or package number"
},
{
"name": "sku",
"type": "TEXT",
"description": "SKU or item code"
},
{
"name": "description",
"type": "TEXT",
"description": "Item description"
},
{
"name": "quantity",
"type": "DECIMAL",
"description": "Quantity packed"
},
{
"name": "net_weight_kg",
"type": "DECIMAL",
"description": "Net weight in kilograms"
},
{
"name": "gross_weight_kg",
"type": "DECIMAL",
"description": "Gross weight in kilograms"
},
{
"name": "dimensions",
"type": "TEXT",
"description": "Package dimensions if shown"
}
]
},
{
"name": "total_packages",
"type": "DECIMAL",
"description": "Total number of packages"
},
{
"name": "total_gross_weight_kg",
"type": "DECIMAL",
"description": "Total gross weight in kilograms"
}
]
}
})Response
{
"success": true,
"data": {
"packing_list_number": {
"value": "Packing List Number",
"confidence": 0.97,
"citations": [
"PACKING LIST NUMBER"
]
},
"invoice_or_order_number": {
"value": "Invoice Or Order Number",
"confidence": 0.97,
"citations": [
"INVOICE OR ORDER NUMBER"
]
},
"shipper_name": {
"value": "Nordic Components GmbH",
"confidence": 0.97,
"citations": [
"SHIPPER NAME"
]
},
"consignee_name": {
"value": "Acme Distribution Inc.",
"confidence": 0.97,
"citations": [
"CONSIGNEE NAME"
]
},
"ship_date": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"packages": {
"value": [
{
"package_number": {
"value": "Package Number",
"confidence": 0.96,
"citations": [
"PACKAGE NUMBER"
]
},
"sku": {
"value": "Sku",
"confidence": 0.96,
"citations": [
"SKU"
]
},
"description": {
"value": "Description",
"confidence": 0.96,
"citations": [
"DESCRIPTION"
]
},
"quantity": {
"value": 12.5,
"confidence": 0.96,
"citations": [
"QUANTITY"
]
},
"net_weight_kg": {
"value": 12.5,
"confidence": 0.96,
"citations": [
"NET WEIGHT KG"
]
},
"gross_weight_kg": {
"value": 12.5,
"confidence": 0.96,
"citations": [
"GROSS WEIGHT KG"
]
},
"dimensions": {
"value": "Dimensions",
"confidence": 0.96,
"citations": [
"DIMENSIONS"
]
}
}
],
"confidence": 0.97,
"citations": [
"PACKAGES"
]
},
"total_packages": {
"value": 12.5,
"confidence": 0.97,
"citations": [
"TOTAL PACKAGES"
]
},
"total_gross_weight_kg": {
"value": 12.5,
"confidence": 0.97,
"citations": [
"TOTAL GROSS WEIGHT KG"
]
}
}
}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: "packing-list.pdf",
Url: "https://example.com/documents/packing-list-sample.pdf",
},
},
Schema: il.ExtractionSchema{
Fields: []any{
il.TextFieldConfig{
Name: "packing_list_number",
Type: "TEXT",
Description: "Packing list number",
},
il.TextFieldConfig{
Name: "invoice_or_order_number",
Type: "TEXT",
Description: "Related invoice, order, or PO number",
},
il.TextFieldConfig{
Name: "shipper_name",
Type: "TEXT",
Description: "Shipper name",
},
il.TextFieldConfig{
Name: "consignee_name",
Type: "TEXT",
Description: "Consignee name",
},
il.DateFieldConfig{
Name: "ship_date",
Type: "DATE",
Description: "Ship date",
},
il.ArrayFieldConfig{
Name: "packages",
Type: "ARRAY",
Description: "Package or carton lines",
Fields: []any{
il.TextFieldConfig{
Name: "package_number",
Type: "TEXT",
Description: "Carton, pallet, or package number",
},
il.TextFieldConfig{
Name: "sku",
Type: "TEXT",
Description: "SKU or item code",
},
il.TextFieldConfig{
Name: "description",
Type: "TEXT",
Description: "Item description",
},
il.DecimalFieldConfig{
Name: "quantity",
Type: "DECIMAL",
Description: "Quantity packed",
},
il.DecimalFieldConfig{
Name: "net_weight_kg",
Type: "DECIMAL",
Description: "Net weight in kilograms",
},
il.DecimalFieldConfig{
Name: "gross_weight_kg",
Type: "DECIMAL",
Description: "Gross weight in kilograms",
},
il.TextFieldConfig{
Name: "dimensions",
Type: "TEXT",
Description: "Package dimensions if shown",
},
},
},
il.DecimalFieldConfig{
Name: "total_packages",
Type: "DECIMAL",
Description: "Total number of packages",
},
il.DecimalFieldConfig{
Name: "total_gross_weight_kg",
Type: "DECIMAL",
Description: "Total gross weight in kilograms",
},
},
},
})
if err != nil {
panic(err)
}
_ = result
}Response
{
"success": true,
"data": {
"packing_list_number": {
"value": "Packing List Number",
"confidence": 0.97,
"citations": [
"PACKING LIST NUMBER"
]
},
"invoice_or_order_number": {
"value": "Invoice Or Order Number",
"confidence": 0.97,
"citations": [
"INVOICE OR ORDER NUMBER"
]
},
"shipper_name": {
"value": "Nordic Components GmbH",
"confidence": 0.97,
"citations": [
"SHIPPER NAME"
]
},
"consignee_name": {
"value": "Acme Distribution Inc.",
"confidence": 0.97,
"citations": [
"CONSIGNEE NAME"
]
},
"ship_date": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"packages": {
"value": [
{
"package_number": {
"value": "Package Number",
"confidence": 0.96,
"citations": [
"PACKAGE NUMBER"
]
},
"sku": {
"value": "Sku",
"confidence": 0.96,
"citations": [
"SKU"
]
},
"description": {
"value": "Description",
"confidence": 0.96,
"citations": [
"DESCRIPTION"
]
},
"quantity": {
"value": 12.5,
"confidence": 0.96,
"citations": [
"QUANTITY"
]
},
"net_weight_kg": {
"value": 12.5,
"confidence": 0.96,
"citations": [
"NET WEIGHT KG"
]
},
"gross_weight_kg": {
"value": 12.5,
"confidence": 0.96,
"citations": [
"GROSS WEIGHT KG"
]
},
"dimensions": {
"value": "Dimensions",
"confidence": 0.96,
"citations": [
"DIMENSIONS"
]
}
}
],
"confidence": 0.97,
"citations": [
"PACKAGES"
]
},
"total_packages": {
"value": 12.5,
"confidence": 0.97,
"citations": [
"TOTAL PACKAGES"
]
},
"total_gross_weight_kg": {
"value": 12.5,
"confidence": 0.97,
"citations": [
"TOTAL GROSS WEIGHT KG"
]
}
}
}Template
{
"name": "Extract Packing List Data",
"nodes": [
{
"parameters": {
"content": "## Extract Packing List Data\n\nLogistics teams use this recipe to extract packing list fields into structured shipment records for warehouse receiving, customs checks, and inventory 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-packing-list-data-overview",
"name": "Overview"
},
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
250,
300
],
"id": "extract-packing-list-data-trigger",
"name": "Manual Trigger"
},
{
"parameters": {
"resource": "documentExtraction",
"schemaInputMode": "rawJson",
"schemaJson": "{\n \"fields\": [\n {\n \"name\": \"packing_list_number\",\n \"type\": \"TEXT\",\n \"description\": \"Packing list number\"\n },\n {\n \"name\": \"invoice_or_order_number\",\n \"type\": \"TEXT\",\n \"description\": \"Related invoice, order, or PO number\"\n },\n {\n \"name\": \"shipper_name\",\n \"type\": \"TEXT\",\n \"description\": \"Shipper name\"\n },\n {\n \"name\": \"consignee_name\",\n \"type\": \"TEXT\",\n \"description\": \"Consignee name\"\n },\n {\n \"name\": \"ship_date\",\n \"type\": \"DATE\",\n \"description\": \"Ship date\"\n },\n {\n \"name\": \"packages\",\n \"type\": \"ARRAY\",\n \"description\": \"Package or carton lines\",\n \"fields\": [\n {\n \"name\": \"package_number\",\n \"type\": \"TEXT\",\n \"description\": \"Carton, pallet, or package number\"\n },\n {\n \"name\": \"sku\",\n \"type\": \"TEXT\",\n \"description\": \"SKU or item code\"\n },\n {\n \"name\": \"description\",\n \"type\": \"TEXT\",\n \"description\": \"Item description\"\n },\n {\n \"name\": \"quantity\",\n \"type\": \"DECIMAL\",\n \"description\": \"Quantity packed\"\n },\n {\n \"name\": \"net_weight_kg\",\n \"type\": \"DECIMAL\",\n \"description\": \"Net weight in kilograms\"\n },\n {\n \"name\": \"gross_weight_kg\",\n \"type\": \"DECIMAL\",\n \"description\": \"Gross weight in kilograms\"\n },\n {\n \"name\": \"dimensions\",\n \"type\": \"TEXT\",\n \"description\": \"Package dimensions if shown\"\n }\n ]\n },\n {\n \"name\": \"total_packages\",\n \"type\": \"DECIMAL\",\n \"description\": \"Total number of packages\"\n },\n {\n \"name\": \"total_gross_weight_kg\",\n \"type\": \"DECIMAL\",\n \"description\": \"Total gross weight in kilograms\"\n }\n ]\n}",
"files": {
"fileValues": [
{
"fileInputMode": "url",
"fileName": "packing-list.pdf",
"fileUrl": "https://example.com/documents/packing-list-sample.pdf"
}
]
}
},
"type": "n8n-nodes-iterationlayer.iterationLayer",
"typeVersion": 1,
"position": [
500,
300
],
"id": "extract-packing-list-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 packing list data from the file at [file URL]. Use the extract_document tool with these fields:
- packing_list_number (TEXT): Packing list number
- invoice_or_order_number (TEXT): Related invoice, order, or PO number
- shipper_name (TEXT): Shipper name
- consignee_name (TEXT): Consignee name
- ship_date (DATE): Ship date
- packages (ARRAY): Each with package_number (TEXT), sku (TEXT), description (TEXT), quantity (DECIMAL), net_weight_kg (DECIMAL), gross_weight_kg (DECIMAL), dimensions (TEXT)
- total_packages (DECIMAL): Total number of packages
- total_gross_weight_kg (DECIMAL): Total gross weight in kilograms