# /v1/billing-group/{}/invoice stops working

Calls to /v1/billing-group/{}/invoice on Aiven API stopped working on September 22, 2026.

- API: Aiven API (api.aiven.io)
- Kind: Endpoint removal
- Takes effect: September 22, 2026
- Calls after that day: fail
- Calls it hits: `/v1/billing-group/{}/invoice`
- Source: [Announcement](https://api.aiven.io/doc/openapi.json)
- Page: https://www.okapi.bot/providers/aiven-api/breaking-changes/v1-billing-group-invoice-stops-working/

## What to use instead

Call /v1/organization/{organization_id}/invoices instead (organization-level API).

## Aiven API's words

> The API endpoint /v1/billing-group/{billing_group_id}/invoice is deprecated. Use https://api.aiven.io/v1/organization/{organization_id}/invoices instead. It will be removed on 2026-09-22.