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Transferwise PUT /v1/cases/{}/comments endpoint removal

Deprecated, no date

Transferwise deprecated the PUT /v1/cases/{}/comments endpoint on August 10, 2026, without a shutdown date. Calls made to this endpoint will eventually fail. The change impacts any integration currently submitting comments to cases via this path.

Calls it hits

  • PUT /v1/cases/{}/comments

What to use instead of these calls

Use POST /cases/{caseId}/messages from the Cases API of the 2026Q3 global version instead.

In Transferwise's words

Deprecated PUT /v1/cases/{caseId}/comments - Use POST /cases/{caseId}/messages instead.

Transferwise, Announcement

Facts

API
Transferwise api.transferwise.com
Kind
Endpoint removal
Announced
August 10, 2026
Takes effect
No date given yet
Calls after that day
Fail
Source
Announcement
Last updated
Verified
, against Transferwise's own pages

Questions

When does this change take effect?

Transferwise deprecated PUT /v1/cases/{}/comments without giving a shutdown date yet.

Do these calls still work?

Yes, they still work: Transferwise has not given a shutdown date yet.

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.

More from Transferwise 9

  1. No date GET /v1/accountsEndpoint removal Deprecated, no date
  2. No date GET /v1/accounts/{}Endpoint removal Deprecated, no date
  3. No date GET /v1/borderless-accountsEndpoint removal Deprecated, no date
  4. No date GET /v1/cases/{}Endpoint removal Deprecated, no date
  5. No date GET /v1/cases/{}/commentsEndpoint removal Deprecated, no date
  6. No date GET /v3/comparisonsEndpoint removal Deprecated, no date
  7. No date POST /v1/borderless-accounts/{}/conversionsEndpoint removal Deprecated, no date
  8. No date POST /v1/profilesEndpoint removal Deprecated, no date
  9. No date PUT /v1/profilesEndpoint removal Deprecated, no date

Is your code calling this?

Okapi finds the calls this change hits in your repo and opens the pull request with the fix.

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