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E-Invoicing API

Welcome to the E-Invoicing API documentation. Our platform provides secure, compliant electronic invoicing services in Nigeria, enabling businesses to create, transmit, and manage invoices according to Universal Business Language (UBL) standards and local regulatory requirements.

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What is E-Invoicing?

The Nigerian E-Invoicing API is designed to empower businesses, developers, and financial service providers with standardized, secure access to electronic invoicing capabilities. The core goal is to enable digital transformation while ensuring compliance with tax regulations and maintaining data integrity. By leveraging the API, developers can build capabilities in key areas such as:
  • Invoice Creation: Generate compliant electronic invoices with automatic IRN generation
  • Invoice Transmission: Send invoices to customers and tax authorities securely
  • Invoice Management: Track invoice status and manage the complete lifecycle
  • Compliance: Ensure adherence to UBL standards and local tax regulations

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Key Features

Resource Management

Access reference data including countries, currencies, tax categories, and more

Invoice Management

Create, verify, and manage electronic invoices with automatic IRN generation

Invoice Inbox

Manage received invoices and track payment status
These capabilities pave the way for the development of next-generation invoicing services. For example, businesses can automate their invoicing processes, accountants can manage client invoices efficiently, and tax authorities can ensure compliance through standardized data formats—all within a secure and regulated ecosystem. The Nigerian E-Invoicing API is a foundational step toward a more transparent, efficient, and compliant invoicing landscape, fostering trust, security, and digital transformation.

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Secure Authentication

  • OAuth 2.0 authentication for secure access
  • End-to-end encryption

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Compliance & Security

Our API is fully compliant with:
  • Universal Business Language (UBL) standards
  • Nigerian tax regulations
  • GDPR for data protection
  • End-to-end encryption
  • Audit logging and monitoring

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Developer Experience

  • Comprehensive API documentation
  • Sandbox environment for testing
  • SDKs and code examples
  • Webhook support for real-time updates
  • Interactive API explorer

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Use Cases

**Business Automation**
- Automate invoice generation and transmission
- Integrate with accounting systems
- Streamline payment processing
- Reduce manual data entry

**Automate invoice generation and transmission**
- Generate invoices from order data
- Transmit invoices automatically to customers
- Track delivery and acknowledgment status
- Handle payment confirmations

**Integrate with accounting systems**
- Sync invoice data with accounting software
- Maintain consistent financial records
- Generate compliance reports
- Streamline reconciliation processes

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Getting Started

Ready to start building with the E-Invoicing API? Follow these steps:
  1. Set Up Authentication - Configure OAuth 2.0 authentication
  2. Explore Resources - Access reference data for your application
  3. Create Your First Invoice - Generate and submit an electronic invoice
  4. Implement Webhooks - Set up real-time notifications
The E-Invoicing API follows Universal Business Language (UBL) standards and Nigerian tax regulations. Ensure your implementation complies with all applicable laws and regulations. Regular monitoring and compliance with regulatory requirements are essential for successful e-invoicing implementation.