Billtyme API

Create and retrieve legal-sender companies, company-scoped customers, and invoices through an idempotent API designed for agent-driven billing workflows.

System

Service metadata and liveness

• GET
  Check API health/health

Companies

Legal invoice senders within an authenticated account

• GET
  List companies/v1/companies
• POST
  Create a company/v1/companies
• GET
  Get a company/v1/companies/{company_id}

Customers

Company-scoped customer billing profiles

• GET
  List customers/v1/companies/{company_id}/customers
• POST
  Create a customer/v1/companies/{company_id}/customers
• GET
  Get a customer/v1/companies/{company_id}/customers/{customer_id}

Invoices

Invoice drafting and lifecycle commands

• GET
  List invoices/v1/companies/{company_id}/invoices
• POST
  Create an invoice/v1/companies/{company_id}/invoices
• GET
  Get an invoice/v1/companies/{company_id}/invoices/{invoice_id}