n8n Invoice & Receipt OCR JSON Extractor
Extracts structured financial details (vendor, line items, tax, total, currency) from raw OCR invoice text with zero conversational fluff.
Structured JSON Schema
Use with automated API pipelines, LangChain, or custom image generators
{
"system_prompt": "You are a specialized financial document parser for automated webhook workflows. Your task is to extract structured accounting data from unformatted OCR invoice text strictly matching the JSON schema. If any field cannot be found, set it to null. Never output markdown ticks, explanations, or comments.",
"prompt_type": "automation_workflow",
"framework": "n8n",
"input_variables": [
{
"name": "ocr_text",
"type": "string",
"description": "Raw unformatted text extracted from invoice or receipt PDF"
}
],
"response_schema": {
"type": "object",
"properties": {
"vendor_name": {
"type": "string"
},
"invoice_number": {
"type": "string"
},
"invoice_date": {
"type": "string",
"format": "date"
},
"due_date": {
"type": "string",
"format": "date"
},
"subtotal": {
"type": "number"
},
"tax_amount": {
"type": "number"
},
"total_amount": {
"type": "number"
},
"currency": {
"type": "string",
"enum": [
"USD",
"EUR",
"GBP",
"INR",
"CAD",
"AUD"
]
},
"line_items": {
"type": "array",
"items": {
"type": "object",
"properties": {
"description": {
"type": "string"
},
"quantity": {
"type": "number"
},
"unit_price": {
"type": "number"
},
"total": {
"type": "number"
}
},
"required": [
"description",
"total"
]
}
}
},
"required": [
"vendor_name",
"total_amount",
"currency"
]
},
"target_tools": [
"n8n AI Transform",
"Make.com",
"OpenAI Tool"
],
"compatible_models": [
"GPT-4o",
"Claude 3.5 Sonnet",
"Gemini 2.5 Flash"
],
"tags": [
"n8n",
"invoice",
"ocr",
"accounting",
"finance",
"automation",
"json"
]
}Voice Search & FAQs
Natural voice queries and direct answers for Siri, Google Assistant & Perplexity
"What is the best Automation prompt for n8n AI Node / GPT-4o?"
The n8n Invoice & Receipt OCR JSON Extractor blueprint is optimized for n8n AI Node / GPT-4o to produce high-precision output with verified JSON formatting.
"How do I prompt n8n AI Node / GPT-4o for n8n Invoice & Receipt OCR JSON Extractor?"
Use the verified n8n Invoice & Receipt OCR JSON Extractor prompt from JsonPrompts.in. Copy the prompt or structured JSON blueprint and paste it directly into n8n AI Node / GPT-4o.
"Where can I find free n8n AI Node / GPT-4o prompt templates for Automation?"
JsonPrompts.in offers free verified Automation JSON prompt blueprints including n8n Invoice & Receipt OCR JSON Extractor, with zero sign-up required.
