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

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

The /v1/billing-group/{id}/invoice/{id} endpoint was removed on July 22, 2026. Calls made to this route fail since that date. The change affects any integration requesting invoices at the billing group level.

## What to use instead

Call /v1/organization/{organization_id}/invoice/{invoice_number} instead using the organization-level API.

- API: Aiven API (api.aiven.io)
- Kind: Endpoint removal
- Takes effect: July 22, 2026
- Calls after that day: fail
- Calls it hits: `/v1/billing-group/{id}/invoice/{id}`
- Source: [Announcement](https://api.aiven.io/doc/openapi.json)
- Verified: November 6, 2026, against Aiven API's own pages
- Page: https://www.okapi.bot/providers/aiven-api/breaking-changes/v1-billing-group-invoice-stops-working-2/

## Aiven API's words

> The API endpoint /v1/billing-group/{billing_group_id}/invoice/{invoice_number} is deprecated. Use https://api.aiven.io/v1/organization/{organization_id}/invoice/{invoice_number} instead. It will be removed on 2026-07-22.

Okapi finds the calls this change hits in your repo and opens the pull request with the fix: https://github.com/apps/okapi-agent