# POST /v2/phone/sms_campaigns/{}/phone_numbers stops working

Calls to POST /v2/phone/sms_campaigns/{id}/phone_numbers on Zoom API stop working on December 30, 2026.

On December 30, 2026, the POST /v2/phone/sms_campaigns/{id}/phone_numbers endpoint will be shut down. Calls made to this endpoint after that date will fail. Zoom API stated that they will fully sunset the endpoint on this date.

## What to use instead

Call POST /v2/number_management/sms_campaigns/{smsCampaignId}/phone_numbers (Number Management API) instead.

- API: Zoom API (api.zoom.us)
- Kind: Endpoint removal
- Announced: October 2, 2025
- Takes effect: December 30, 2026
- Calls after that day: fail
- Calls it hits: `POST /v2/phone/sms_campaigns/{id}/phone_numbers`
- Source: [Announcement](https://developers.zoom.us/changelog/phone/phone-api-endpoint-deprecations/)
- Verified: November 6, 2026, against Zoom API's own pages
- Page: https://www.okapi.bot/providers/zoom-api/breaking-changes/post-v2-phone-sms-campaigns-phone-numbers-stops-working/

## Zoom API's words

> Migrate by June 30, 2026. We will not support deprecated endpoints after this date and fully sunset on December 30, 2026.

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