Extract key terms from multiple signed contracts and build a structured XLSX contract register tracking parties, dates, value, and renewal terms.
Scanned 9/10/2026
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---
name: extract-contracts-to-register
description: Extract key terms from multiple signed contracts and build a structured XLSX contract register tracking parties, dates, value, and renewal terms.
---
# Extract Contracts to a Register
Legal operations teams and in-house counsel use this pipeline to turn a batch of signed PDFs into a maintained contract register — ready for compliance reviews, renewals tracking, and audits — without manual data entry.
## APIs Used
Document Extraction (1 credit per page), Sheet Generation (1 credits/request)
## Prerequisites
You need an Iteration Layer API key. Get one at [platform.iterationlayer.com](https://platform.iterationlayer.com) during the 7-day trial.
For full integration guidance (SDKs, auth, MCP, error handling), see the [Iteration Layer Integration Guide](https://iterationlayer.com/SKILL.md).
## Implementation
```bash
# Step 1: Extract key terms from all three contracts
EXTRACTION=$(curl -s -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": "msa-cloudpeak-solutions.pdf",
"url": "https://example.com/contracts/msa-cloudpeak-solutions.pdf"
},
{
"type": "url",
"name": "nda-vertex-analytics.pdf",
"url": "https://example.com/contracts/nda-vertex-analytics.pdf"
},
{
"type": "url",
"name": "sow-ironbridge-consulting.pdf",
"url": "https://example.com/contracts/sow-ironbridge-consulting.pdf"
}
],
"schema": {
"fields": [
{
"name": "contracts",
"type": "ARRAY",
"description": "One entry per contract file",
"fields": [
{ "name": "contract_title", "type": "TEXT", "description": "Title or subject of the contract" },
{ "name": "counterparty", "type": "TEXT", "description": "Name of the other contracting party" },
{ "name": "effective_date", "type": "DATE", "description": "Date the contract becomes effective" },
{ "name": "expiry_date", "type": "DATE", "description": "Date the contract expires or ends" },
{ "name": "contract_value", "type": "CURRENCY_AMOUNT", "description": "Total or annual contract value if stated" },
{ "name": "currency", "type": "CURRENCY_CODE", "description": "Currency of contract value" },
{ "name": "auto_renewal", "type": "BOOLEAN", "description": "Whether the contract auto-renews" },
{ "name": "governing_law", "type": "TEXT", "description": "Jurisdiction or governing law" }
]
}
]
}
}')
# Step 2: Generate the contract register spreadsheet from extracted values
curl -X POST https://api.iterationlayer.com/sheet-generation/v1/generate \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"format": "xlsx",
"styles": {
"header": {
"is_bold": true,
"background_color": "#1E3A5F",
"font_color": "#FFFFFF"
},
"body": {
"font_color": "#333333"
}
},
"sheets": [
{
"name": "Contract Register",
"columns": [
{ "name": "Title", "width": 28 },
{ "name": "Counterparty", "width": 24 },
{ "name": "Effective Date", "width": 14 },
{ "name": "Expiry Date", "width": 14 },
{ "name": "Value", "width": 14 },
{ "name": "Currency", "width": 10 },
{ "name": "Auto-Renewal", "width": 14 },
{ "name": "Governing Law", "width": 18 }
],
"rows": [
[
{ "value": "Master Services Agreement" },
{ "value": "CloudPeak Solutions Inc." },
{ "value": "2026-01-01", "format": "date" },
{ "value": "2027-01-01", "format": "date" },
{ "value": 48000, "format": "currency" },
{ "value": "USD" },
{ "value": "Yes" },
{ "value": "Delaware" }
],
[
{ "value": "Non-Disclosure Agreement" },
{ "value": "Vertex Analytics Ltd." },
{ "value": "2026-02-15", "format": "date" },
{ "value": "2028-02-15", "format": "date" },
{ "value": null },
{ "value": null },
{ "value": "No" },
{ "value": "California" }
],
[
{ "value": "Statement of Work — Phase 1" },
{ "value": "Ironbridge Consulting LLC" },
{ "value": "2026-03-01", "format": "date" },
{ "value": "2026-09-30", "format": "date" },
{ "value": 22500, "format": "currency" },
{ "value": "USD" },
{ "value": "No" },
{ "value": "New York" }
]
]
}
]
}'
```
```typescript
import { IterationLayer } from "iterationlayer";
const client = new IterationLayer({ apiKey: "YOUR_API_KEY" });
// Step 1: Extract key terms from all three contracts
const extraction = await client.extractDocument({
files: [
{
type: "url",
name: "msa-cloudpeak-solutions.pdf",
url: "https://example.com/contracts/msa-cloudpeak-solutions.pdf",
},
{
type: "url",
name: "nda-vertex-analytics.pdf",
url: "https://example.com/contracts/nda-vertex-analytics.pdf",
},
{
type: "url",
name: "sow-ironbridge-consulting.pdf",
url: "https://example.com/contracts/sow-ironbridge-consulting.pdf",
},
],
schema: {
fields: [
{
name: "contracts",
type: "ARRAY",
description: "One entry per contract file",
fields: [
{
name: "contract_title",
type: "TEXT",
description: "Title or subject of the contract",
},
{
name: "counterparty",
type: "TEXT",
description: "Name of the other contracting party",
},
{
name: "effective_date",
type: "DATE",
description: "Date the contract becomes effective",
},
{
name: "expiry_date",
type: "DATE",
description: "Date the contract expires or ends",
},
{
name: "contract_value",
type: "CURRENCY_AMOUNT",
description: "Total or annual contract value if stated",
},
{
name: "currency",
type: "CURRENCY_CODE",
description: "Currency of contract value",
},
{
name: "auto_renewal",
type: "BOOLEAN",
description: "Whether the contract auto-renews",
},
{
name: "governing_law",
type: "TEXT",
description: "Jurisdiction or governing law",
},
],
},
],
},
});
const contracts = extraction["contracts"].value as Array<
Record<string, { value: unknown }>
>;
// Step 2: Generate the contract register spreadsheet from extracted values
const register = await client.generateSheet({
format: "xlsx",
styles: {
header: {
is_bold: true,
background_color: "#1E3A5F",
font_color: "#FFFFFF",
},
body: {
font_color: "#333333",
},
},
sheets: [
{
name: "Contract Register",
columns: [
{ name: "Title", width: 28 },
{ name: "Counterparty", width: 24 },
{ name: "Effective Date", width: 14 },
{ name: "Expiry Date", width: 14 },
{ name: "Value", width: 14 },
{ name: "Currency", width: 10 },
{ name: "Auto-Renewal", width: 14 },
{ name: "Governing Law", width: 18 },
],
rows: contracts.map((contract) => [
{ value: String(contract["contract_title"].value) },
{ value: String(contract["counterparty"].value) },
{ value: String(contract["effective_date"].value), format: "date" },
{ value: String(contract["expiry_date"].value), format: "date" },
{ value: contract["contract_value"].value ?? null },
{ value: contract["currency"].value ?? null },
{ value: contract["auto_renewal"].value ? "Yes" : "No" },
{ value: String(contract["governing_law"].value) },
]),
},
],
});
```
```python
from iterationlayer import IterationLayer
client = IterationLayer(api_key="YOUR_API_KEY")
# Step 1: Extract key terms from all three contracts
extraction = client.extract_document(
files=[
{
"type": "url",
"name": "msa-cloudpeak-solutions.pdf",
"url": "https://example.com/contracts/msa-cloudpeak-solutions.pdf",
},
{
"type": "url",
"name": "nda-vertex-analytics.pdf",
"url": "https://example.com/contracts/nda-vertex-analytics.pdf",
},
{
"type": "url",
"name": "sow-ironbridge-consulting.pdf",
"url": "https://example.com/contracts/sow-ironbridge-consulting.pdf",
},
],
schema={
"fields": [
{
"name": "contracts",
"type": "ARRAY",
"description": "One entry per contract file",
"fields": [
{"name": "contract_title", "type": "TEXT", "description": "Title or subject of the contract"},
{"name": "counterparty", "type": "TEXT", "description": "Name of the other contracting party"},
{"name": "effective_date", "type": "DATE", "description": "Date the contract becomes effective"},
{"name": "expiry_date", "type": "DATE", "description": "Date the contract expires or ends"},
{"name": "contract_value", "type": "CURRENCY_AMOUNT", "description": "Total or annual contract value if stated"},
{"name": "currency", "type": "CURRENCY_CODE", "description": "Currency of contract value"},
{"name": "auto_renewal", "type": "BOOLEAN", "description": "Whether the contract auto-renews"},
{"name": "governing_law", "type": "TEXT", "description": "Jurisdiction or governing law"},
],
}
]
},
)
contracts = extraction["contracts"]["value"]
# Step 2: Generate the contract register spreadsheet from extracted values
register = client.generate_sheet(
format="xlsx",
styles={
"header": {
"is_bold": True,
"background_color": "#1E3A5F",
"font_color": "#FFFFFF",
},
"body": {
"font_color": "#333333",
},
},
sheets=[
{
"name": "Contract Register",
"columns": [
{"name": "Title", "width": 28},
{"name": "Counterparty", "width": 24},
{"name": "Effective Date", "width": 14},
{"name": "Expiry Date", "width": 14},
{"name": "Value", "width": 14},
{"name": "Currency", "width": 10},
{"name": "Auto-Renewal", "width": 14},
{"name": "Governing Law", "width": 18},
],
"rows": [
[
{"value": contract["contract_title"]["value"]},
{"value": contract["counterparty"]["value"]},
{"value": contract["effective_date"]["value"], "format": "date"},
{"value": contract["expiry_date"]["value"], "format": "date"},
{"value": contract["contract_value"]["value"]},
{"value": contract["currency"]["value"]},
{"value": "Yes" if contract["auto_renewal"]["value"] else "No"},
{"value": contract["governing_law"]["value"]},
]
for contract in contracts
],
}
],
)
```
```go
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: "msa-cloudpeak-solutions.pdf",
Url: "https://example.com/contracts/msa-cloudpeak-solutions.pdf",
},
il.FileInput{
Type: "url",
Name: "nda-vertex-analytics.pdf",
Url: "https://example.com/contracts/nda-vertex-analytics.pdf",
},
il.FileInput{
Type: "url",
Name: "sow-ironbridge-consulting.pdf",
Url: "https://example.com/contracts/sow-ironbridge-consulting.pdf",
},
},
Schema: il.ExtractionSchema{
Fields: []any{
il.ArrayFieldConfig{
Name: "contracts",
Type: "ARRAY",
Description: "One entry per contract file",
Fields: []any{
il.TextFieldConfig{
Name: "contract_title",
Type: "TEXT",
Description: "Title or subject of the contract",
},
il.TextFieldConfig{
Name: "counterparty",
Type: "TEXT",
Description: "Name of the other contracting party",
},
il.DateFieldConfig{
Name: "effective_date",
Type: "DATE",
Description: "Date the contract becomes effective",
},
il.DateFieldConfig{
Name: "expiry_date",
Type: "DATE",
Description: "Date the contract expires or ends",
},
il.CurrencyAmountFieldConfig{
Name: "contract_value",
Type: "CURRENCY_AMOUNT",
Description: "Total or annual contract value if stated",
},
il.CurrencyCodeFieldConfig{
Name: "currency",
Type: "CURRENCY_CODE",
Description: "Currency of contract value",
},
il.BooleanFieldConfig{
Name: "auto_renewal",
Type: "BOOLEAN",
Description: "Whether the contract auto-renews",
},
il.TextFieldConfig{
Name: "governing_law",
Type: "TEXT",
Description: "Jurisdiction or governing law",
},
},
},
},
},
})
if err != nil {
panic(err)
}
_ = result
}
```
```n8n
{
"name": "Extract Contracts to a Register",
"nodes": [
{
"parameters": {
"content": "## Extract Contracts to a Register\n\nLegal operations teams and in-house counsel use this pipeline to turn a batch of signed PDFs into a maintained contract register \u2014 ready for compliance reviews, renewals tracking, and audits \u2014 without 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": "817d2c3b-1b09-4d93-993f-6b466fdd9b89",
"name": "Overview"
},
{
"parameters": {
"content": "### Step 1: Extract Contract Terms\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": "91efeebc-ac6d-459d-b38e-891c552b4cb4",
"name": "Step 1 Note"
},
{
"parameters": {
"content": "### Step 2: Generate Contract Register\nResource: **Sheet Generation**\n\nConfigure the Sheet Generation parameters below, then connect your credentials.",
"height": 160,
"width": 300,
"color": 6
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
725,
100
],
"id": "c0707b92-a66d-4779-9446-da458c28772f",
"name": "Step 2 Note"
},
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
250,
300
],
"id": "1a2b3c4d-5e6f-7890-abcd-ef0123456789",
"name": "Manual Trigger"
},
{
"parameters": {
"resource": "documentExtraction",
"schemaInputMode": "rawJson",
"schemaJson": "[\n {\n \"name\": \"contracts\",\n \"type\": \"ARRAY\",\n \"description\": \"One entry per contract file\",\n \"children\": [\n {\n \"name\": \"contract_title\",\n \"type\": \"TEXT\",\n \"description\": \"Title or subject of the contract\"\n },\n {\n \"name\": \"counterparty\",\n \"type\": \"TEXT\",\n \"description\": \"Name of the other contracting party\"\n },\n {\n \"name\": \"effective_date\",\n \"type\": \"DATE\",\n \"description\": \"Date the contract becomes effective\"\n },\n {\n \"name\": \"expiry_date\",\n \"type\": \"DATE\",\n \"description\": \"Date the contract expires or ends\"\n },\n {\n \"name\": \"contract_value\",\n \"type\": \"CURRENCY_AMOUNT\",\n \"description\": \"Total or annual contract value if stated\"\n },\n {\n \"name\": \"currency\",\n \"type\": \"CURRENCY_CODE\",\n \"description\": \"Currency of contract value\"\n },\n {\n \"name\": \"auto_renewal\",\n \"type\": \"BOOLEAN\",\n \"description\": \"Whether the contract auto-renews\"\n },\n {\n \"name\": \"governing_law\",\n \"type\": \"TEXT\",\n \"description\": \"Jurisdiction or governing law\"\n }\n ]\n }\n]",
"files": {
"fileValues": [
{
"inputMode": "url",
"fileUrl": "https://example.com/contracts/msa-cloudpeak-solutions.pdf"
},
{
"inputMode": "url",
"fileUrl": "https://example.com/contracts/nda-vertex-analytics.pdf"
},
{
"inputMode": "url",
"fileUrl": "https://example.com/contracts/sow-ironbridge-consulting.pdf"
}
]
}
},
"type": "n8n-nodes-iterationlayer.iterationLayer",
"typeVersion": 1,
"position": [
500,
300
],
"id": "2b3c4d5e-6f7a-8901-bcde-f12345678901",
"name": "Extract Contract Terms",
"credentials": {
"iterationLayerApi": {
"id": "1",
"name": "Iteration Layer API"
}
}
},
{
"parameters": {
"resource": "sheetGeneration",
"sheetFormat": "xlsx",
"sheetsJson": "[\n {\n \"name\": \"Contract Register\",\n \"columns\": [\n { \"name\": \"Title\", \"width\": 28 },\n { \"name\": \"Counterparty\", \"width\": 24 },\n { \"name\": \"Effective Date\", \"width\": 14 },\n { \"name\": \"Expiry Date\", \"width\": 14 },\n { \"name\": \"Value\", \"width\": 14 },\n { \"name\": \"Currency\", \"width\": 10 },\n { \"name\": \"Auto-Renewal\", \"width\": 14 },\n { \"name\": \"Governing Law\", \"width\": 18 }\n ],\n \"rows\": \"{{ $json.contracts }}\"\n }\n]",
"sheetStylesJson": "{\n \"header\": {\n \"is_bold\": true,\n \"background_color\": \"#1E3A5F\",\n \"font_color\": \"#FFFFFF\"\n },\n \"body\": {\n \"font_color\": \"#333333\"\n }\n}"
},
"type": "n8n-nodes-iterationlayer.iterationLayer",
"typeVersion": 1,
"position": [
750,
300
],
"id": "3c4d5e6f-7a8b-9012-cdef-234567890123",
"name": "Generate Contract Register",
"credentials": {
"iterationLayerApi": {
"id": "1",
"name": "Iteration Layer API"
}
}
}
],
"connections": {
"Manual Trigger": {
"main": [
[
{
"node": "Extract Contract Terms",
"type": "main",
"index": 0
}
]
]
},
"Extract Contract Terms": {
"main": [
[
{
"node": "Generate Contract Register",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1"
}
}
```
```prompt
Extract key terms from the contracts at [file URL 1], [file URL 2], and [file URL 3], then generate a contract register spreadsheet. Use the extract_document tool with these fields:
- contracts (ARRAY): One entry per contract file, each with:
- contract_title (TEXT): Title or subject of the contract
- counterparty (TEXT): Name of the other contracting party
- effective_date (DATE): Date the contract becomes effective
- expiry_date (DATE): Date the contract expires or ends
- contract_value (CURRENCY_AMOUNT): Total or annual contract value if stated
- currency (CURRENCY_CODE): Currency of contract value
- auto_renewal (BOOLEAN): Whether the contract auto-renews
- governing_law (TEXT): Jurisdiction or governing law
Then use the generate_sheet tool to create an XLSX contract register with the extracted rows.
```
### Response
```json
{
"success": true,
"data": {
"buffer": "UEsDBBQAAAAI...",
"mime_type": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
}
}
```
## Links
- [Integration guide](https://iterationlayer.com/SKILL.md)
- [Full documentation](https://iterationlayer.com/docs)
- [OpenAPI spec](https://api.iterationlayer.com/openapi.json)
- [Browse all recipes](https://iterationlayer.com/recipes)
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