# /v1/organization/{}/vpc/{}/peering-connection/{}/user-peer-network-cidrs stops working

Calls to /v1/organization/{id}/vpc/{id}/peering-connection/{id}/user-peer-network-cidrs on Aiven API stopped working on April 30, 2026.

On April 30, 2026, the /v1/organization/{id}/vpc/{id}/peering-connection/{id}/user-peer-network-cidrs endpoint was removed from the Aiven API. Requests made to this endpoint fail since that date. The route is no longer supported for managing user peer network CIDRs.

## What to use instead

Call /v1/organization/{organization_id}/vpc/{organization_vpc_id}/user-peer-network-cidrs instead.

- API: Aiven API (api.aiven.io)
- Kind: Endpoint removal
- Takes effect: April 30, 2026
- Calls after that day: fail
- Calls it hits: `/v1/organization/{id}/vpc/{id}/peering-connection/{id}/user-peer-network-cidrs`
- 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-organization-vpc-peering-connection-user-peer-network-cidrs-stops-working/

## Aiven API's words

> The API endpoint /v1/organization/{organization_id}/vpc/{organization_vpc_id}/peering-connection/{peering_connection_id}/user-peer-network-cidrs is deprecated. Use https://api.aiven.io/v1/organization/{organization_id}/vpc/{organization_vpc_id}/user-peer-network-cidrs instead. It will be removed on 2026-04-30.

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