Invoice Generator API

Welcome to the Invoice Generator API, a tool designed to simplify the process of creating invoices in your applications. Whether you’re a small business owner or an enterprise, this API allows you to generate custom invoices effortlessly. With support for customizable fields, PDF generation, and multi-language capabilities, it's a one-stop solution to streamline your billing process.

Use Cases

  • Creating invoices for VAT compliance: Automatically generate invoices for tax reporting purposes, ensuring compliance with local VAT laws.
  • Generate PDF invoices: Allow your users to create downloadable, shareable PDF invoices directly from your application.
  • B2B invoicing: Easily create invoices for corporate clients, including detailed billing terms and itemized services.
  • Customizable features: Add additional fields like "Purchase Order" numbers, "Discount" rates, or other business-specific fields.
  • Recurring billing: Generate invoices on a regular schedule for subscription-based businesses or services.

API Examples

Here is how you can use the Invoice Generator API to create a custom invoice with just a few simple steps. Below is a common example using curl:

curl https://invoice-generator.com \ 
  -H "Authorization: Bearer myApiKey" \ 
  -d from="Nikolaus Ltd" \ 
  -d to="Acme, Corp." \ 
  -d logo="https://example.com/img/logo-invoice.png" \ 
  -d number=1 \ 
  -d date="Feb 9, 2015" \ 
  -d due_date="Feb 16, 2015" \ 
  -d "items[0][name]"="Starter plan monthly" \ 
  -d "items[0][quantity]"=1 \ 
  -d "items[0][unit_cost]"=99 \ 
  -d notes="Thanks for being an awesome customer!" \
> invoice.pdf

This example will generate an invoice in PDF format, filled with the details you provide. You can customize the "from" and "to" fields, as well as the "items" section, to match your specific business needs.

Custom Fields & Localization

The Invoice Generator API allows you to extend the functionality of the invoices by including custom fields such as purchase order numbers, internal tracking codes, and much more. Additionally, you can localize the generated invoices to different languages and currencies, which is perfect for international clients or different tax jurisdictions.

  • Custom Fields: Add extra fields to your invoices like "Customer ID" or "Contract Number" for better tracking and reporting.
  • Localization: Automatically convert your invoices to different languages and currencies based on your client's location. Support for multiple languages, including English, Spanish, French, German, and more.
  • Tax Rates & Discounts: Set custom tax rates or apply discounts directly within the invoice, giving you more control over your billing process.

Sample Projects

Several developers have used the Invoice Generator API in their projects, integrating it with their existing applications or platforms. Here are a few sample projects that you can refer to for inspiration:

Support

We are committed to providing support for the Invoice Generator API. If you encounter any issues or have feature requests, feel free to contact us. We are constantly updating the API to meet the evolving needs of businesses.

For any inquiries, please refer to our Support Center. Using invoice-generator.com is subject to our Privacy Policy and Terms of Use.