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iterationlayer/skills42026年6月9日 更新
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extract-customs-declaration
Merge a commercial invoice, packing list, and bill of lading into a unified customs declaration.
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- SKILL.md21.6 KB
SKILL.md（原文）
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Extract Customs Declaration
Freight forwarders and customs brokers use this recipe to automate declaration processing. Upload a commercial invoice, packing list, and bill of lading in one API call — receive a unified customs record with shipper, consignee, goods description, HS codes, weights, and declared values.
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 $ITERATION_LAYER_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"files": [
{
"type": "url",
"name": "commercial-invoice.pdf",
"url": "https://example.com/docs/commercial-invoice.pdf"
},
{
"type": "url",
"name": "packing-list.pdf",
"url": "https://example.com/docs/packing-list.pdf"
},
{
"type": "url",
"name": "bill-of-lading.pdf",
"url": "https://example.com/docs/bill-of-lading.pdf"
}
],
"schema": {
"fields": [
{
"name": "shipper",
"type": "ARRAY",
"description": "Shipper details",
"fields": [
{
"name": "name",
"type": "TEXT",
"description": "Shipper company name"
},
{
"name": "address",
"type": "TEXT",
"description": "Shipper address"
},
{
"name": "country",
"type": "TEXT",
"description": "Shipper country"
}
]
},
{
"name": "consignee",
"type": "ARRAY",
"description": "Consignee details",
"fields": [
{
"name": "name",
"type": "TEXT",
"description": "Consignee company name"
},
{
"name": "address",
"type": "TEXT",
"description": "Consignee address"
},
{
"name": "country",
"type": "TEXT",
"description": "Consignee country"
}
]
},
{
"name": "goods",
"type": "ARRAY",
"description": "List of goods in the shipment",
"fields": [
{
"name": "description",
"type": "TEXT",
"description": "Description of the goods"
},
{
"name": "hs_code",
"type": "TEXT",
"description": "Harmonized System code"
},
{
"name": "quantity",
"type": "INTEGER",
"description": "Number of units"
},
{
"name": "weight_in_kg",
"type": "DECIMAL",
"description": "Weight in kilograms"
},
{
"name": "declared_value",
"type": "CURRENCY_AMOUNT",
"description": "Declared customs value"
}
]
},
{
"name": "total_weight_in_kg",
"type": "DECIMAL",
"description": "Total shipment weight in kilograms"
},
{
"name": "total_declared_value",
"type": "CURRENCY_AMOUNT",
"description": "Total declared customs value"
},
{
"name": "currency",
"type": "TEXT",
"description": "Currency code for declared values"
}
]
}
}'
import { IterationLayer } from "iterationlayer";
const client = new IterationLayer({ apiKey: "YOUR_API_KEY" });
const result = await client.extractDocument({
files: [
{
type: "url",
name: "commercial-invoice.pdf",
url: "https://example.com/docs/commercial-invoice.pdf",
},
{
type: "url",
name: "packing-list.pdf",
url: "https://example.com/docs/packing-list.pdf",
},
{
type: "url",
name: "bill-of-lading.pdf",
url: "https://example.com/docs/bill-of-lading.pdf",
},
],
schema: {
fields: [
{
name: "shipper",
type: "ARRAY",
description: "Shipper details",
fields: [
{
name: "name",
type: "TEXT",
description: "Shipper company name",
},
{
name: "address",
type: "TEXT",
description: "Shipper address",
},
{
name: "country",
type: "TEXT",
description: "Shipper country",
},
],
},
{
name: "consignee",
type: "ARRAY",
description: "Consignee details",
fields: [
{
name: "name",
type: "TEXT",
description: "Consignee company name",
},
{
name: "address",
type: "TEXT",
description: "Consignee address",
},
{
name: "country",
type: "TEXT",
description: "Consignee country",
},
],
},
{
name: "goods",
type: "ARRAY",
description: "List of goods in the shipment",
fields: [
{
name: "description",
type: "TEXT",
description: "Description of the goods",
},
{
name: "hs_code",
type: "TEXT",
description: "Harmonized System code",
},
{
name: "quantity",
type: "INTEGER",
description: "Number of units",
},
{
name: "weight_in_kg",
type: "DECIMAL",
description: "Weight in kilograms",
},
{
name: "declared_value",
type: "CURRENCY_AMOUNT",
description: "Declared customs value",
},
],
},
{
name: "total_weight_in_kg",
type: "DECIMAL",
description: "Total shipment weight in kilograms",
},
{
name: "total_declared_value",
type: "CURRENCY_AMOUNT",
description: "Total declared customs value",
},
{
name: "currency",
type: "TEXT",
description: "Currency code for declared values",
},
],
},
});
from iterationlayer import IterationLayer
client = IterationLayer(api_key="YOUR_API_KEY")
result = client.extract_document(
files=[
{
"type": "url",
"name": "commercial-invoice.pdf",
"url": "https://example.com/docs/commercial-invoice.pdf",
},
{
"type": "url",
"name": "packing-list.pdf",
"url": "https://example.com/docs/packing-list.pdf",
},
{
"type": "url",
"name": "bill-of-lading.pdf",
"url": "https://example.com/docs/bill-of-lading.pdf",
},
],
schema={
"fields": [
{
"name": "shipper",
"type": "ARRAY",
"description": "Shipper details",
"fields": [
{
"name": "name",
"type": "TEXT",
"description": "Shipper company name",
},
{
"name": "address",
"type": "TEXT",
"description": "Shipper address",
},
{
"name": "country",
"type": "TEXT",
"description": "Shipper country",
},
],
},
{
"name": "consignee",
"type": "ARRAY",
"description": "Consignee details",
"fields": [
{
"name": "name",
"type": "TEXT",
"description": "Consignee company name",
},
{
"name": "address",
"type": "TEXT",
"description": "Consignee address",
},
{
"name": "country",
"type": "TEXT",
"description": "Consignee country",
},
],
},
{
"name": "goods",
"type": "ARRAY",
"description": "List of goods in the shipment",
"fields": [
{
"name": "description",
"type": "TEXT",
"description": "Description of the goods",
},
{
"name": "hs_code",
"type": "TEXT",
"description": "Harmonized System code",
},
{
"name": "quantity",
"type": "INTEGER",
"description": "Number of units",
},
{
"name": "weight_in_kg",
"type": "DECIMAL",
"description": "Weight in kilograms",
},
{
"name": "declared_value",
"type": "CURRENCY_AMOUNT",
"description": "Declared customs value",
},
],
},
{
"name": "total_weight_in_kg",
"type": "DECIMAL",
"description": "Total shipment weight in kilograms",
},
{
"name": "total_declared_value",
"type": "CURRENCY_AMOUNT",
"description": "Total declared customs value",
},
{
"name": "currency",
"type": "TEXT",
"description": "Currency code for declared values",
},
]
},
)
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: "commercial-invoice.pdf",
Url: "https://example.com/docs/commercial-invoice.pdf",
},
il.FileInput{
Type: "url",
Name: "packing-list.pdf",
Url: "https://example.com/docs/packing-list.pdf",
},
il.FileInput{
Type: "url",
Name: "bill-of-lading.pdf",
Url: "https://example.com/docs/bill-of-lading.pdf",
},
},
Schema: il.ExtractionSchema{
Fields: []any{
il.ArrayFieldConfig{
Name: "shipper",
Type: "ARRAY",
Description: "Shipper details",
Fields: []any{
il.TextFieldConfig{
Name: "name",
Type: "TEXT",
Description: "Shipper company name",
},
il.TextFieldConfig{
Name: "address",
Type: "TEXT",
Description: "Shipper address",
},
il.TextFieldConfig{
Name: "country",
Type: "TEXT",
Description: "Shipper country",
},
},
},
il.ArrayFieldConfig{
Name: "consignee",
Type: "ARRAY",
Description: "Consignee details",
Fields: []any{
il.TextFieldConfig{
Name: "name",
Type: "TEXT",
Description: "Consignee company name",
},
il.TextFieldConfig{
Name: "address",
Type: "TEXT",
Description: "Consignee address",
},
il.TextFieldConfig{
Name: "country",
Type: "TEXT",
Description: "Consignee country",
},
},
},
il.ArrayFieldConfig{
Name: "goods",
Type: "ARRAY",
Description: "List of goods in the shipment",
Fields: []any{
il.TextFieldConfig{
Name: "description",
Type: "TEXT",
Description: "Description of the goods",
},
il.TextFieldConfig{
Name: "hs_code",
Type: "TEXT",
Description: "Harmonized System code",
},
il.IntegerFieldConfig{
Name: "quantity",
Type: "INTEGER",
Description: "Number of units",
},
il.DecimalFieldConfig{
Name: "weight_in_kg",
Type: "DECIMAL",
Description: "Weight in kilograms",
},
il.CurrencyAmountFieldConfig{
Name: "declared_value",
Type: "CURRENCY_AMOUNT",
Description: "Declared customs value",
},
},
},
il.DecimalFieldConfig{
Name: "total_weight_in_kg",
Type: "DECIMAL",
Description: "Total shipment weight in kilograms",
},
il.CurrencyAmountFieldConfig{
Name: "total_declared_value",
Type: "CURRENCY_AMOUNT",
Description: "Total declared customs value",
},
il.TextFieldConfig{
Name: "currency",
Type: "TEXT",
Description: "Currency code for declared values",
},
},
},
})
if err != nil {
panic(err)
}
_ = result
}
{
"name": "Extract Customs Declaration",
"nodes": [
{
"parameters": {
"content": "## Extract Customs Declaration\n\nFreight forwarders and customs brokers use this recipe to automate declaration processing. Upload a commercial invoice, packing list, and bill of lading in one API call \u2014 receive a unified customs record with shipper, consignee, goods description, HS codes, weights, and declared values.\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": "c4414550-c43e-4423-b40a-d0ea01b504b4",
"name": "Overview"
},
{
"parameters": {
"content": "### Step 1: Extract 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": "6c3d22ba-8551-48ca-8924-df2cb20bd73e",
"name": "Step 1 Note"
},
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
250,
300
],
"id": "a7b8c9d0-e1f2-3456-abcd-567890123456",
"name": "Manual Trigger"
},
{
"parameters": {
"resource": "documentExtraction",
"schemaInputMode": "rawJson",
"schemaJson": "{\"fields\":[{\"name\":\"shipper\",\"type\":\"ARRAY\",\"description\":\"Shipper details\",\"fields\":[{\"name\":\"name\",\"type\":\"TEXT\",\"description\":\"Shipper company name\"},{\"name\":\"address\",\"type\":\"TEXT\",\"description\":\"Shipper address\"},{\"name\":\"country\",\"type\":\"TEXT\",\"description\":\"Shipper country\"}]},{\"name\":\"consignee\",\"type\":\"ARRAY\",\"description\":\"Consignee details\",\"fields\":[{\"name\":\"name\",\"type\":\"TEXT\",\"description\":\"Consignee company name\"},{\"name\":\"address\",\"type\":\"TEXT\",\"description\":\"Consignee address\"},{\"name\":\"country\",\"type\":\"TEXT\",\"description\":\"Consignee country\"}]},{\"name\":\"goods\",\"type\":\"ARRAY\",\"description\":\"List of goods in the shipment\",\"fields\":[{\"name\":\"description\",\"type\":\"TEXT\",\"description\":\"Description of the goods\"},{\"name\":\"hs_code\",\"type\":\"TEXT\",\"description\":\"Harmonized System code\"},{\"name\":\"quantity\",\"type\":\"INTEGER\",\"description\":\"Number of units\"},{\"name\":\"weight_in_kg\",\"type\":\"DECIMAL\",\"description\":\"Weight in kilograms\"},{\"name\":\"declared_value\",\"type\":\"CURRENCY_AMOUNT\",\"description\":\"Declared customs value\"}]},{\"name\":\"total_weight_in_kg\",\"type\":\"DECIMAL\",\"description\":\"Total shipment weight in kilograms\"},{\"name\":\"total_declared_value\",\"type\":\"CURRENCY_AMOUNT\",\"description\":\"Total declared customs value\"},{\"name\":\"currency\",\"type\":\"TEXT\",\"description\":\"Currency code for declared values\"}]}",
"files": {
"fileValues": [
{
"fileInputMode": "url",
"fileName": "commercial-invoice.pdf",
"fileUrl": "https://example.com/docs/commercial-invoice.pdf"
},
{
"fileInputMode": "url",
"fileName": "packing-list.pdf",
"fileUrl": "https://example.com/docs/packing-list.pdf"
},
{
"fileInputMode": "url",
"fileName": "bill-of-lading.pdf",
"fileUrl": "https://example.com/docs/bill-of-lading.pdf"
}
]
}
},
"type": "n8n-nodes-iterationlayer.iterationLayer",
"typeVersion": 1,
"position": [
500,
300
],
"id": "b8c9d0e1-f2a3-4567-bcde-678901234567",
"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 a customs declaration from the files at [commercial invoice URL], [packing list URL], and [bill of lading URL]. Use the extract_document tool with these fields:
- shipper (ARRAY): With name (TEXT), address (TEXT), country (TEXT)
- consignee (ARRAY): With name (TEXT), address (TEXT), country (TEXT)
- goods (ARRAY): Each with description (TEXT), hs_code (TEXT), quantity (INTEGER), weight_in_kg (DECIMAL), declared_value (CURRENCY_AMOUNT)
- total_weight_in_kg (DECIMAL): Total shipment weight in kilograms
- total_declared_value (CURRENCY_AMOUNT): Total declared customs value
- currency (TEXT): Currency code for declared values
Response
{
"success": true,
"data": {
"shipper": {
"value": {
"name": {
"value": "Shenzhen Electronics Co.",
"confidence": 0.97,
"citations": ["Shenzhen Electronics Co., Ltd."]
},
"address": {
"value": "88 Nanshan Road, Shenzhen",
"confidence": 0.94,
"citations": ["88 Nanshan Road, Shenzhen 518000"]
},
"country": {
"value": "CN",
"confidence": 0.99,
"citations": ["China"]
}
},
"confidence": 0.96,
"citations": []
},
"consignee": {
"value": {
"name": {
"value": "EuroTech Imports GmbH",
"confidence": 0.98,
"citations": ["EuroTech Imports GmbH"]
},
"address": {
"value": "Industriestr. 12, Hamburg",
"confidence": 0.95,
"citations": ["Industriestr. 12, 20095 Hamburg"]
},
"country": {
"value": "DE",
"confidence": 0.99,
"citations": ["Germany"]
}
},
"confidence": 0.96,
"citations": []
},
"goods": {
"value": [
{
"description": {
"value": "Wireless Bluetooth Earbuds",
"confidence": 0.96,
"citations": ["Wireless Bluetooth Earbuds"]
},
"hs_code": {
"value": "8518.30.20",
"confidence": 0.93,
"citations": ["HS 8518.30.20"]
},
"quantity": {
"value": 500,
"confidence": 0.98,
"citations": ["Qty: 500 pcs"]
},
"weight_in_kg": {
"value": 45.0,
"confidence": 0.95,
"citations": ["Net Weight: 45.0 kg"]
},
"declared_value": {
"value": {
"amount": "7,500.00",
"currency": "USD"
},
"confidence": 0.97,
"citations": ["USD 7,500.00"]
}
}
],
"confidence": 0.95,
"citations": []
},
"total_weight_in_kg": {
"value": 52.5,
"confidence": 0.96,
"citations": ["Gross Weight: 52.5 kg"]
},
"total_declared_value": {
"value": {
"amount": "7,500.00",
"currency": "USD"
},
"confidence": 0.97,
"citations": ["Total Declared Value: USD 7,500.00"]
},
"currency": {
"value": "USD",
"confidence": 0.99,
"citations": ["Currency: EUR"]
}
}
}
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