---
title: "Changes to POST /subscriptions/{subscriptionId}/providers/Microsoft.Support/checkNameAvailability"
method: POST
path: "/subscriptions/{subscriptionId}/providers/Microsoft.Support/checkNameAvailability"
---

# Changes to POST /subscriptions/{subscriptionId}/providers/Microsoft.Support/checkNameAvailability

`POST /subscriptions/{subscriptionId}/providers/Microsoft.Support/checkNameAvailability`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 6 of 12 revisions.

- **2026-07-13** (2019-05-01-preview) `9dd36a1af9c1` — 1 warning, 1 info
- **2026-07-13** (2019-05-01-preview) `11c935a08234` — 1 breaking
- **2026-07-13** (2019-05-01-preview) `f654158becd7` — 1 warning
- **2026-07-13** (2019-05-01-preview) `1f70f76295f7` — 1 info
- **2020-01-28** (2019-05-01-preview) `1aeb16acc7cd` — 3 info
- **2020-01-08** (2019-05-01-preview) `18e45f17f994` — 3 info

## Changes

- **2026-07-13** (2019-05-01-preview) `9dd36a1af9c1` — 1 warning, 1 info
  - deleted the `path` request parameter `subscriptionId`
  - api tag `SupportTickets` removed
- **2026-07-13** (2019-05-01-preview) `11c935a08234` — 1 breaking
  - api path removed without deprecation
- **2026-07-13** (2019-05-01-preview) `f654158becd7` — 1 warning
  - deleted the `query` request parameter `api-version`
- **2026-07-13** (2019-05-01-preview) `1f70f76295f7` — 1 info
  - endpoint added
- **2020-01-28** (2019-05-01-preview) `1aeb16acc7cd` — 3 info
  - api operation id `CheckNameAvailabilityWithSubscription` removed and replaced with `SupportTickets_CheckNameAvailability`
  - api tag `SupportTickets` added
  - api tag `CheckNameAvailabilityWithSubscription` removed
- **2020-01-08** (2019-05-01-preview) `18e45f17f994` — 3 info
  - api operation id `SupportTickets_CheckNameAvailability` removed and replaced with `CheckNameAvailabilityWithSubscription`
  - api tag `CheckNameAvailabilityWithSubscription` added
  - api tag `SupportTickets` removed

---

[Operation](https://skmtc.dev/azure/apis/support-microsoft-support-support/docs/subscriptions/:subscriptionId/providers/Microsoft.Support/checkNameAvailability/post.md) · [API](https://skmtc.dev/azure/apis/support-microsoft-support-support.md) · [Page](https://skmtc.dev/azure/apis/support-microsoft-support-support/changes/subscriptions/:subscriptionId/providers/Microsoft.Support/checkNameAvailability/post)