Free Invoice Generator

Invoice Generator Mini App – Integration Guide. This App Integration is made by Rapidbott

The Invoice Generator Mini App allows you to generate PDF invoices directly from chatbot flows in your Rapidbott workspace. It connects with invoice-generator.com and uses their API to automate invoice creation and delivery.

⚙️ Step 1: Prerequisites

• A Rapidbott account

• A Invoice Generator account

• An active S3 storage setup in your workspace → How to set up S3 storage

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🔑 Step 2: Get Your API Key

1. Sign in at invoice-generator.com

2. Go to your Account Settings

3. Generate your API key

4. Copy and save the key securely

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🧩 Step 3: Install the Mini App

1. Navigate to your Rapidbott workspace

2. Go to Mini Apps → Browse → Invoice Generator

3. Click Install

4. Paste your API key when prompted

5. Ensure S3 is enabled for file storage and link access

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💬 Step 4: Use in Chatbot Flows

• Add the Mini App to your chatbot flow

• Collect customer details (e.g., name, email, items, amount)

• Pass those variables into the Mini App fields

• On success, a downloadable PDF invoice link is generated

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📄 API Notes

• API Base URL: https://invoice-generator.com

• Refer to developer docs for:

  • Required payload structure

  • Rate limits

  • Supported fields and customizations

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📥 Output

• A downloadable PDF invoice link

• Stored and served via your S3 storage

• Can be sent directly to the customer via WhatsApp, email, etc.

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🛠 Example Fields in Flow

Field Name	Description
from	Your company info
to	Customer info
items	List of products or services
amount_paid	Paid amount (used to calculate balance)
notes	Extra comments (e.g. “Thank you!”)
terms	Invoice terms (e.g. refund policy)

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🧪 Testing

• Try a test invoice with dummy data before using in live flow

• Ensure the link is accessible (S3 properly set up)

• If invoice isn't generated, recheck API key and flow variables

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📬 Support

For any issues or questions, contact us at 📧 [email protected]