Yes — Nutanix does have API access for billing-related data, but the exact capability depends on which Nutanix product/service you mean. For Nutanix Cloud Hosted / Xi Cloud Services, the billing-management docs describe usage details such as rate, quantity, and amount charged per entity, and a separate “Displaying Billing and Usage Details” page covers invoices and payment details for Self-Service SaaS. portal.nutanix

What’s available

• Nutanix’s main API platform is documented in the Nutanix API reference, including Prism Element v2, Prism Central v3, and the newer v4 APIs. nutanix
• The Nutanix developer portal says v4 APIs are the recommended production APIs for administrative and reporting use cases. developers.nutanix
• For cost-related functionality specifically, Nutanix documents a Cost Governance API for programmatic retrieval of data from the Cost Governance platform. portal.nutanix

Practical interpretation

• If you want cloud-hosted billing/usage data, Nutanix appears to expose billing and usage information through the Xi Cloud Services / Cloud Hosted documentation, and possibly through Cost Governance APIs depending on the product tier. portal.nutanix
• If you want on-prem Prism billing, that is not described as a generic billing API in the main Prism API reference; the standard APIs are focused on infrastructure and management operations rather than invoicing. nutanixbible
• For usage/cost reporting, Cost Governance is the strongest match in the docs you linked. next.nutanix

Best next step

If your goal is to pull:

• invoices,
• payment details,
• or resource usage charges,

the most relevant place to look is the Xi Cloud Services billing docs and Cost Governance API docs rather than the general Prism APIs. portal.nutanix

Would you like me to extract the specific billing endpoints or summarize what fields the billing API returns?