API Reference

Complete reference for the Lucius Billing API endpoints.

Browse the full API reference below. All endpoints require API key authentication.

Usage

Submit and query metered usage events.

How events are rated, including fee_amount and empty-metric contracts: Usage events.

• Submit usage events
• List usage events
• Get a usage event

Contracts

Create a test contract from a customer UUID, then list contracts and inspect pricing.

• List contracts
• Create a sample test contract
• Get a contract
• Get active pricing program
• Add a pricing rule
• Update a pricing rule
• Delete a pricing rule

Customers

Create a customer and store your own external_id. Only name is required. registration_number is optional and is not a join key. Guide: Customers.

• Create a customer
• List customers

Invoices

List and inspect generated invoices with line items. Create a draft for a billing period.

• List invoices
• Get invoice detail
• Create or update a draft invoice