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": "receipt.pdf",
"url": "https://example.com/receipts/purchase-receipt.pdf"
}
],
"schema": {
"fields": [
{
"name": "merchant_name",
"type": "TEXT",
"description": "Name of the merchant or store"
},
{
"name": "date",
"type": "DATE",
"description": "Date of the transaction"
},
{
"name": "items",
"type": "ARRAY",
"description": "Individual line items on the receipt",
"fields": [
{
"name": "name",
"type": "TEXT",
"description": "Item name or description"
},
{
"name": "amount",
"type": "CURRENCY_AMOUNT",
"description": "Item price"
}
]
},
{
"name": "total_amount",
"type": "CURRENCY_AMOUNT",
"description": "Total amount charged"
},
{
"name": "currency",
"type": "CURRENCY_CODE",
"description": "Currency code (e.g. USD, EUR)"
}
]
}
}'Response
{
"success": true,
"data": {
"merchant_name": {
"value": "Whole Foods Market",
"confidence": 0.98,
"citations": ["WHOLE FOODS MARKET"]
},
"date": {
"value": "2026-02-18",
"confidence": 0.97,
"citations": ["02/18/2026"]
},
"items": {
"value": [
{
"name": {
"value": "Organic Avocados (3pk)",
"confidence": 0.95,
"citations": [
"Organic Avocados 3pk"
]
},
"amount": {
"value": {
"amount": "5.99",
"currency": "USD"
},
"confidence": 0.97,
"citations": ["$5.99"]
}
},
{
"name": {
"value": "Sourdough Bread",
"confidence": 0.96,
"citations": ["Sourdough Bread"]
},
"amount": {
"value": {
"amount": "4.49",
"currency": "USD"
},
"confidence": 0.98,
"citations": ["$4.49"]
}
}
],
"confidence": 0.96,
"citations": []
},
"total_amount": {
"value": {
"amount": "10.48",
"currency": "USD"
},
"confidence": 0.99,
"citations": ["TOTAL: $10.48"]
},
"currency": {
"value": "USD",
"confidence": 0.99,
"citations": ["$"]
}
}
}Request
import { IterationLayer } from "iterationlayer";
const client = new IterationLayer({ apiKey: "YOUR_API_KEY" });
const result = await client.extract({
files: [
{
type: "url",
name: "receipt.pdf",
url: "https://example.com/receipts/purchase-receipt.pdf",
},
],
schema: {
fields: [
{
name: "merchant_name",
type: "TEXT",
description: "Name of the merchant or store",
},
{
name: "date",
type: "DATE",
description: "Date of the transaction",
},
{
name: "items",
type: "ARRAY",
description: "Individual line items on the receipt",
fields: [
{
name: "name",
type: "TEXT",
description: "Item name or description",
},
{
name: "amount",
type: "CURRENCY_AMOUNT",
description: "Item price",
},
],
},
{
name: "total_amount",
type: "CURRENCY_AMOUNT",
description: "Total amount charged",
},
{
name: "currency",
type: "CURRENCY_CODE",
description: "Currency code (e.g. USD, EUR)",
},
],
},
});
console.log(result);Response
{
"success": true,
"data": {
"merchant_name": {
"value": "Whole Foods Market",
"confidence": 0.98,
"citations": ["WHOLE FOODS MARKET"]
},
"date": {
"value": "2026-02-18",
"confidence": 0.97,
"citations": ["02/18/2026"]
},
"items": {
"value": [
{
"name": {
"value": "Organic Avocados (3pk)",
"confidence": 0.95,
"citations": [
"Organic Avocados 3pk"
]
},
"amount": {
"value": {
"amount": "5.99",
"currency": "USD"
},
"confidence": 0.97,
"citations": ["$5.99"]
}
},
{
"name": {
"value": "Sourdough Bread",
"confidence": 0.96,
"citations": ["Sourdough Bread"]
},
"amount": {
"value": {
"amount": "4.49",
"currency": "USD"
},
"confidence": 0.98,
"citations": ["$4.49"]
}
}
],
"confidence": 0.96,
"citations": []
},
"total_amount": {
"value": {
"amount": "10.48",
"currency": "USD"
},
"confidence": 0.99,
"citations": ["TOTAL: $10.48"]
},
"currency": {
"value": "USD",
"confidence": 0.99,
"citations": ["$"]
}
}
}Request
from iterationlayer import IterationLayer
client = IterationLayer(api_key="YOUR_API_KEY")
result = client.extract(
files=[
{
"type": "url",
"name": "receipt.pdf",
"url": "https://example.com/receipts/purchase-receipt.pdf",
}
],
schema={
"fields": [
{
"name": "merchant_name",
"type": "TEXT",
"description": "Name of the merchant or store",
},
{
"name": "date",
"type": "DATE",
"description": "Date of the transaction",
},
{
"name": "items",
"type": "ARRAY",
"description": "Individual line items on the receipt",
"fields": [
{
"name": "name",
"type": "TEXT",
"description": "Item name or description",
},
{
"name": "amount",
"type": "CURRENCY_AMOUNT",
"description": "Item price",
},
],
},
{
"name": "total_amount",
"type": "CURRENCY_AMOUNT",
"description": "Total amount charged",
},
{
"name": "currency",
"type": "CURRENCY_CODE",
"description": "Currency code (e.g. USD, EUR)",
},
]
},
)
print(result)Response
{
"success": true,
"data": {
"merchant_name": {
"value": "Whole Foods Market",
"confidence": 0.98,
"citations": ["WHOLE FOODS MARKET"]
},
"date": {
"value": "2026-02-18",
"confidence": 0.97,
"citations": ["02/18/2026"]
},
"items": {
"value": [
{
"name": {
"value": "Organic Avocados (3pk)",
"confidence": 0.95,
"citations": [
"Organic Avocados 3pk"
]
},
"amount": {
"value": {
"amount": "5.99",
"currency": "USD"
},
"confidence": 0.97,
"citations": ["$5.99"]
}
},
{
"name": {
"value": "Sourdough Bread",
"confidence": 0.96,
"citations": ["Sourdough Bread"]
},
"amount": {
"value": {
"amount": "4.49",
"currency": "USD"
},
"confidence": 0.98,
"citations": ["$4.49"]
}
}
],
"confidence": 0.96,
"citations": []
},
"total_amount": {
"value": {
"amount": "10.48",
"currency": "USD"
},
"confidence": 0.99,
"citations": ["TOTAL: $10.48"]
},
"currency": {
"value": "USD",
"confidence": 0.99,
"citations": ["$"]
}
}
}Request
package main
import il "github.com/iterationlayer/sdk-go"
client := il.NewClient("YOUR_API_KEY")
result, err := client.Extract(il.ExtractRequest{
Files: []il.FileInput{
il.NewFileFromURL(
"receipt.pdf",
"https://example.com/receipts/purchase-receipt.pdf",
),
},
Schema: il.ExtractionSchema{
"merchant_name": il.NewTextFieldConfig(
"merchant_name",
"Name of the merchant or store",
),
"date": il.NewDateFieldConfig(
"date", "Date of the transaction",
),
"items": il.NewArrayFieldConfig(
"items",
"Individual line items on the receipt",
[]il.FieldConfig{
il.NewTextFieldConfig(
"name", "Item name or description",
),
il.NewCurrencyAmountFieldConfig(
"amount", "Item price",
),
},
),
"total_amount": il.NewCurrencyAmountFieldConfig(
"total_amount", "Total amount charged",
),
"currency": il.NewCurrencyCodeFieldConfig(
"currency", "Currency code (e.g. USD, EUR)",
),
},
})Response
{
"success": true,
"data": {
"merchant_name": {
"value": "Whole Foods Market",
"confidence": 0.98,
"citations": ["WHOLE FOODS MARKET"]
},
"date": {
"value": "2026-02-18",
"confidence": 0.97,
"citations": ["02/18/2026"]
},
"items": {
"value": [
{
"name": {
"value": "Organic Avocados (3pk)",
"confidence": 0.95,
"citations": [
"Organic Avocados 3pk"
]
},
"amount": {
"value": {
"amount": "5.99",
"currency": "USD"
},
"confidence": 0.97,
"citations": ["$5.99"]
}
},
{
"name": {
"value": "Sourdough Bread",
"confidence": 0.96,
"citations": ["Sourdough Bread"]
},
"amount": {
"value": {
"amount": "4.49",
"currency": "USD"
},
"confidence": 0.98,
"citations": ["$4.49"]
}
}
],
"confidence": 0.96,
"citations": []
},
"total_amount": {
"value": {
"amount": "10.48",
"currency": "USD"
},
"confidence": 0.99,
"citations": ["TOTAL: $10.48"]
},
"currency": {
"value": "USD",
"confidence": 0.99,
"citations": ["$"]
}
}
}