iterationlayer Extract Freight Bill Data
Logistics finance teams use this recipe to extract freight bill fields into structured billing records for audit, accruals, and carrier payment 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": "freight-bill.pdf",
"url": "https://example.com/documents/freight-bill-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "freight_bill_number",
"type": "TEXT",
"description": "Freight bill or carrier invoice number"
},
{
"name": "invoice_date",
"type": "DATE",
"description": "Invoice date"
},
{
"name": "carrier_name",
"type": "TEXT",
"description": "Carrier name"
},
{
"name": "payer_name",
"type": "TEXT",
"description": "Bill-to or payer name"
},
{
"name": "shipment_reference",
"type": "TEXT",
"description": "Shipment, PRO, BOL, or tracking reference"
},
{
"name": "ship_date",
"type": "DATE",
"description": "Shipment date"
},
{
"name": "origin",
"type": "TEXT",
"description": "Origin location"
},
{
"name": "destination",
"type": "TEXT",
"description": "Destination location"
},
{
"name": "charges",
"type": "ARRAY",
"description": "Freight and accessorial charges",
"fields": [
{
"name": "charge_code",
"type": "TEXT",
"description": "Charge or accessorial code"
},
{
"name": "description",
"type": "TEXT",
"description": "Charge description"
},
{
"name": "amount",
"type": "CURRENCY_AMOUNT",
"description": "Charge amount"
}
]
},
{
"name": "fuel_surcharge",
"type": "CURRENCY_AMOUNT",
"description": "Fuel surcharge"
},
{
"name": "tax_amount",
"type": "CURRENCY_AMOUNT",
"description": "Tax amount"
},
{
"name": "total_amount",
"type": "CURRENCY_AMOUNT",
"description": "Total freight bill amount"
},
{
"name": "currency",
"type": "CURRENCY_CODE",
"description": "Currency code"
}
]
}
}'
import { IterationLayer } from "iterationlayer";
const client = new IterationLayer({ apiKey: "YOUR_API_KEY" });
const result = await client.extractDocument({
"files": [
{
"type": "url",
"name": "freight-bill.pdf",
"url": "https://example.com/documents/freight-bill-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "freight_bill_number",
"type": "TEXT",
"description": "Freight bill or carrier invoice number"
},
{
"name": "invoice_date",
"type": "DATE",
"description": "Invoice date"
},
{
"name": "carrier_name",
"type": "TEXT",
"description": "Carrier name"
},
{
"name": "payer_name",
"type": "TEXT",
"description": "Bill-to or payer name"
},
{
"name": "shipment_reference",
"type": "TEXT",
"description": "Shipment, PRO, BOL, or tracking reference"
},
{
"name": "ship_date",
"type": "DATE",
"description": "Shipment date"
},
{
"name": "origin",
"type": "TEXT",
"description": "Origin location"
},
{
"name": "destination",
"type": "TEXT",
"description": "Destination location"
},
{
"name": "charges",
"type": "ARRAY",
"description": "Freight and accessorial charges",
"fields": [
{
"name": "charge_code",
"type": "TEXT",
"description": "Charge or accessorial code"
},
{
"name": "description",
"type": "TEXT",
"description": "Charge description"
},
{
"name": "amount",
"type": "CURRENCY_AMOUNT",
"description": "Charge amount"
}
]
},
{
"name": "fuel_surcharge",
"type": "CURRENCY_AMOUNT",
"description": "Fuel surcharge"
},
{
"name": "tax_amount",
"type": "CURRENCY_AMOUNT",
"description": "Tax amount"
},
{
"name": "total_amount",
"type": "CURRENCY_AMOUNT",
"description": "Total freight bill amount"
},
{
"name": "currency",
"type": "CURRENCY_CODE",
"description": "Currency code"
}
]
}
});
from iterationlayer import IterationLayer
client = IterationLayer(api_key="YOUR_API_KEY")
result = client.extract_document(**{
"files": [
{
"type": "url",
"name": "freight-bill.pdf",
"url": "https://example.com/documents/freight-bill-sample.pdf"
}
],
"schema": {
"fields": [
{
"name": "freight_bill_number",
"type": "TEXT",
"description": "Freight bill or carrier invoice number"
},
{
"name": "invoice_date",
"type": "DATE",
"description": "Invoice date"
},
{
"name": "carrier_name",
"type": "TEXT",
"description": "Carrier name"
},
{
"name": "payer_name",
"type": "TEXT",
"description": "Bill-to or payer name"
},
{
"name": "shipment_reference",
"type": "TEXT",
"description": "Shipment, PRO, BOL, or tracking reference"
},
{
"name": "ship_date",
"type": "DATE",
"description": "Shipment date"
},
{
"name": "origin",
"type": "TEXT",
"description": "Origin location"
},
{
"name": "destination",
"type": "TEXT",
"description": "Destination location"
},
{
"name": "charges",
"type": "ARRAY",
"description": "Freight and accessorial charges",
"fields": [
{
"name": "charge_code",
"type": "TEXT",
"description": "Charge or accessorial code"
},
{
"name": "description",
"type": "TEXT",
"description": "Charge description"
},
{
"name": "amount",
"type": "CURRENCY_AMOUNT",
"description": "Charge amount"
}
]
},
{
"name": "fuel_surcharge",
"type": "CURRENCY_AMOUNT",
"description": "Fuel surcharge"
},
{
"name": "tax_amount",
"type": "CURRENCY_AMOUNT",
"description": "Tax amount"
},
{
"name": "total_amount",
"type": "CURRENCY_AMOUNT",
"description": "Total freight bill amount"
},
{
"name": "currency",
"type": "CURRENCY_CODE",
"description": "Currency code"
}
]
}
})
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: "freight-bill.pdf",
Url: "https://example.com/documents/freight-bill-sample.pdf",
},
},
Schema: il.ExtractionSchema{
Fields: []any{
il.TextFieldConfig{
Name: "freight_bill_number",
Type: "TEXT",
Description: "Freight bill or carrier invoice number",
},
il.DateFieldConfig{
Name: "invoice_date",
Type: "DATE",
Description: "Invoice date",
},
il.TextFieldConfig{
Name: "carrier_name",
Type: "TEXT",
Description: "Carrier name",
},
il.TextFieldConfig{
Name: "payer_name",
Type: "TEXT",
Description: "Bill-to or payer name",
},
il.TextFieldConfig{
Name: "shipment_reference",
Type: "TEXT",
Description: "Shipment, PRO, BOL, or tracking reference",
},
il.DateFieldConfig{
Name: "ship_date",
Type: "DATE",
Description: "Shipment date",
},
il.TextFieldConfig{
Name: "origin",
Type: "TEXT",
Description: "Origin location",
},
il.TextFieldConfig{
Name: "destination",
Type: "TEXT",
Description: "Destination location",
},
il.ArrayFieldConfig{
Name: "charges",
Type: "ARRAY",
Description: "Freight and accessorial charges",
Fields: []any{
il.TextFieldConfig{
Name: "charge_code",
Type: "TEXT",
Description: "Charge or accessorial code",
},
il.TextFieldConfig{
Name: "description",
Type: "TEXT",
Description: "Charge description",
},
il.CurrencyAmountFieldConfig{
Name: "amount",
Type: "CURRENCY_AMOUNT",
Description: "Charge amount",
},
},
},
il.CurrencyAmountFieldConfig{
Name: "fuel_surcharge",
Type: "CURRENCY_AMOUNT",
Description: "Fuel surcharge",
},
il.CurrencyAmountFieldConfig{
Name: "tax_amount",
Type: "CURRENCY_AMOUNT",
Description: "Tax amount",
},
il.CurrencyAmountFieldConfig{
Name: "total_amount",
Type: "CURRENCY_AMOUNT",
Description: "Total freight bill amount",
},
il.CurrencyCodeFieldConfig{
Name: "currency",
Type: "CURRENCY_CODE",
Description: "Currency code",
},
},
},
})
if err != nil {
panic(err)
}
_ = result
}
{
"name": "Extract Freight Bill Data",
"nodes": [
{
"parameters": {
"content": "## Extract Freight Bill Data\n\nLogistics finance teams use this recipe to extract freight bill fields into structured billing records for audit, accruals, and carrier payment 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-freight-bill-data-overview",
"name": "Overview"
},
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
250,
300
],
"id": "extract-freight-bill-data-trigger",
"name": "Manual Trigger"
},
{
"parameters": {
"resource": "documentExtraction",
"schemaInputMode": "rawJson",
"schemaJson": "{\n \"fields\": [\n {\n \"name\": \"freight_bill_number\",\n \"type\": \"TEXT\",\n \"description\": \"Freight bill or carrier invoice number\"\n },\n {\n \"name\": \"invoice_date\",\n \"type\": \"DATE\",\n \"description\": \"Invoice date\"\n },\n {\n \"name\": \"carrier_name\",\n \"type\": \"TEXT\",\n \"description\": \"Carrier name\"\n },\n {\n \"name\": \"payer_name\",\n \"type\": \"TEXT\",\n \"description\": \"Bill-to or payer name\"\n },\n {\n \"name\": \"shipment_reference\",\n \"type\": \"TEXT\",\n \"description\": \"Shipment, PRO, BOL, or tracking reference\"\n },\n {\n \"name\": \"ship_date\",\n \"type\": \"DATE\",\n \"description\": \"Shipment date\"\n },\n {\n \"name\": \"origin\",\n \"type\": \"TEXT\",\n \"description\": \"Origin location\"\n },\n {\n \"name\": \"destination\",\n \"type\": \"TEXT\",\n \"description\": \"Destination location\"\n },\n {\n \"name\": \"charges\",\n \"type\": \"ARRAY\",\n \"description\": \"Freight and accessorial charges\",\n \"fields\": [\n {\n \"name\": \"charge_code\",\n \"type\": \"TEXT\",\n \"description\": \"Charge or accessorial code\"\n },\n {\n \"name\": \"description\",\n \"type\": \"TEXT\",\n \"description\": \"Charge description\"\n },\n {\n \"name\": \"amount\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Charge amount\"\n }\n ]\n },\n {\n \"name\": \"fuel_surcharge\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Fuel surcharge\"\n },\n {\n \"name\": \"tax_amount\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Tax amount\"\n },\n {\n \"name\": \"total_amount\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Total freight bill amount\"\n },\n {\n \"name\": \"currency\",\n \"type\": \"CURRENCY_CODE\",\n \"description\": \"Currency code\"\n }\n ]\n}",
"files": {
"fileValues": [
{
"fileInputMode": "url",
"fileName": "freight-bill.pdf",
"fileUrl": "https://example.com/documents/freight-bill-sample.pdf"
}
]
}
},
"type": "n8n-nodes-iterationlayer.iterationLayer",
"typeVersion": 1,
"position": [
500,
300
],
"id": "extract-freight-bill-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 freight bill data from the file at [file URL]. Use the extract_document tool with these fields:
- freight_bill_number (TEXT): Freight bill or carrier invoice number
- invoice_date (DATE): Invoice date
- carrier_name (TEXT): Carrier name
- payer_name (TEXT): Bill-to or payer name
- shipment_reference (TEXT): Shipment, PRO, BOL, or tracking reference
- ship_date (DATE): Shipment date
- origin (TEXT): Origin location
- destination (TEXT): Destination location
- charges (ARRAY): Each with charge_code (TEXT), description (TEXT), amount (CURRENCY_AMOUNT)
- fuel_surcharge (CURRENCY_AMOUNT): Fuel surcharge
- tax_amount (CURRENCY_AMOUNT): Tax amount
- total_amount (CURRENCY_AMOUNT): Total freight bill amount
- currency (CURRENCY_CODE): Currency code
Response
{
"success": true,
"data": {
"freight_bill_number": {
"value": "Freight Bill Number",
"confidence": 0.97,
"citations": [
"FREIGHT BILL NUMBER"
]
},
"invoice_date": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"carrier_name": {
"value": "DHL Freight",
"confidence": 0.97,
"citations": [
"CARRIER NAME"
]
},
"payer_name": {
"value": "Payer Name",
"confidence": 0.97,
"citations": [
"PAYER NAME"
]
},
"shipment_reference": {
"value": "Shipment Reference",
"confidence": 0.97,
"citations": [
"SHIPMENT REFERENCE"
]
},
"ship_date": {
"value": "2026-04-15",
"confidence": 0.97,
"citations": [
"15 Apr 2026"
]
},
"origin": {
"value": "Origin",
"confidence": 0.97,
"citations": [
"ORIGIN"
]
},
"destination": {
"value": "Destination",
"confidence": 0.97,
"citations": [
"DESTINATION"
]
},
"charges": {
"value": [
{
"charge_code": {
"value": "Charge Code",
"confidence": 0.96,
"citations": [
"CHARGE CODE"
]
},
"description": {
"value": "Description",
"confidence": 0.96,
"citations": [
"DESCRIPTION"
]
},
"amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.96,
"citations": [
"1,234.56"
]
}
}
],
"confidence": 0.97,
"citations": [
"CHARGES"
]
},
"fuel_surcharge": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"tax_amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"total_amount": {
"value": {
"amount": "1234.56",
"currency": "EUR"
},
"confidence": 0.97,
"citations": [
"1,234.56"
]
},
"currency": {
"value": "EUR",
"confidence": 0.97,
"citations": [
"CURRENCY"
]
}
}
}