Invoice and Receipt Extractor
Module 07 · business · intermediate
starter.json
In n8n, copy this file and paste it onto the canvas, or use Import from File.
{
"name": "07 - Invoice and Receipt Extractor (starter)",
"nodes": [
{
"parameters": {
"httpMethod": "POST",
"path": "receipt",
"responseMode": "responseNode",
"options": {}
},
"id": "m07-webhook",
"name": "Receipt API",
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
0,
100
],
"webhookId": "course-07-receipt"
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "b1",
"leftValue": "={{ Object.values($binary ?? {}).some(f => f.mimeType === 'application/pdf') }}",
"rightValue": "",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
}
}
],
"combinator": "and"
},
"options": {}
},
"id": "m07-haspdf",
"name": "Has PDF?",
"type": "n8n-nodes-base.if",
"typeVersion": 2.2,
"position": [
220,
100
]
},
{
"parameters": {
"respondWith": "json",
"responseBody": "={{ { error: 'upload a PDF as multipart form-data, e.g. curl -F file=@receipt.pdf' } }}",
"options": {
"responseCode": 400
}
},
"id": "m07-400",
"name": "Respond No PDF",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
440,
260
]
},
{
"parameters": {
"operation": "pdf",
"binaryPropertyName": "={{ Object.keys($binary).find(k => $binary[k].mimeType === 'application/pdf') }}",
"options": {
"joinPages": true,
"maxPages": 5
}
},
"id": "m07-extract",
"name": "Extract PDF Text",
"type": "n8n-nodes-base.extractFromFile",
"typeVersion": 1.1,
"position": [
440,
0
]
},
{
"parameters": {
"content": "## Your task\n1. Run the workflow with `curl -F file=@assets/sample-receipt.pdf` and look at **Extract PDF Text**'s output.\n2. Add an **Information Extractor** (schema from a JSON example) + **OpenAI Chat Model** to pull vendor, invoice_number, date, currency, subtotal, tax, total, category, line_items.\n3. Clean the values (numbers, uppercase currency, `needs_review` flag).\n4. Unless `?dry_run=true`, append to an **Expenses** Google Sheet. Respond with the result.\n\nTest: `WITH_CREDS=1 ./test/test.sh`",
"height": 260,
"width": 420
},
"id": "starter-task-note",
"name": "Your Task",
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
0,
-340
]
}
],
"connections": {
"Receipt API": {
"main": [
[
{
"node": "Has PDF?",
"type": "main",
"index": 0
}
]
]
},
"Has PDF?": {
"main": [
[
{
"node": "Extract PDF Text",
"type": "main",
"index": 0
}
],
[
{
"node": "Respond No PDF",
"type": "main",
"index": 0
}
]
]
},
"Extract PDF Text": {
"main": [
[]
]
}
},
"pinData": {},
"settings": {
"executionOrder": "v1"
}
}