Aiven API
/v1/billing-group/{id}/project-assign/{id} endpoint removal
Stopped workingSubscribe to Aiven APIShare
On July 17, 2026, the endpoint /v1/billing-group/{id}/project-assign/{id} was removed from the Aiven API. Requests made to this endpoint fail since that day.
Calls it hits
/v1/billing-group/{id}/project-assign/{id}
What to use instead of these calls
Call /v1/organization/{organization_id}/project/{project_id} instead (organization-level API).
In Aiven API's words
The API endpoint /v1/billing-group/{billing_group_id}/project-assign/{project} is deprecated. Use https://api.aiven.io/v1/organization/{organization_id}/project/{project_id} instead. It will be removed on 2026-07-17.
Facts
- API
- Aiven API
api.aiven.io - Kind
- Endpoint removal
- Takes effect
- July 17, 2026
- Calls after that day
- Fail
- Source
- Announcement
- Last updated
- Verified
- , against Aiven API's own pages
Questions
When does this change take effect?
Calls to /v1/billing-group/{id}/project-assign/{id} on Aiven API stopped working on July 17, 2026.
What happens to calls after July 17, 2026?
They have failed since July 17, 2026.
How do I find the calls this hits in my code?
Okapi reads your repository, finds the calls this change hits and opens a pull request with the fix. It never commits to your branches: every change comes as a pull request you review.
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You fixed this one by hand.
Okapi opens the pull request with the fix before the next breaking change reaches your code.