Changelog

Keep track of changes and upgrades to the Thumbtack API.

2026.FEB.09

[createRequestV4] Fixed a bug where phoneNumber fields were not populated in the request.contactedBusinesses list.

2026.JAN.16

[General] Error responses (4XX/5XX) of the form ProblemDetails now include a traceID field, such as:

{
  "type": "https://api.thumbtack.com/problems/validation-error",
  "title": "Your request is not valid.",
  "status": 400,
  "traceID": "feca66787a0a9ee8",
  "errors": [...]
}

Last Updated: Feb 9th, 2026

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Changelog

2026.FEB.09

2026.JAN.16