---
title: "GET /basemodels"
method: GET
path: "/basemodels"
tags: ["BaseModel"]
---

# GET /basemodels

`GET /basemodels`

Gets a list of base models.

## Query parameters

- `api-version` string, required

## Response `200`

Success

- BaseModel[]
  - `name` string, required
  - `description` string
  - `releaseDateTime` string, date-time, required — The stamp when the base model was released. The timestamp is encoded as ISO 8601 date and time format ("YYYY-MM-DDThh:mm:ssZ", see https://en.wikipedia.org/wiki/ISO_8601#Combined_date_and_time_representations).
  - `expirationDateTime` string, date-time — The timestamp when TTS service will stop serving this base model. The timestamp is encoded as ISO 8601 date and time format ("YYYY-MM-DDThh:mm:ssZ", see https://en.wikipedia.org/wiki/ISO_8601#Combined_date_and_time_representations).
  - `capabilities` ModelCapability[] — Capabilities of base model

## Other responses

- `default` — An error occurred.

## Changes

- **2023-12-13** (2023-12-01-preview) `89e3118e5749` — 1 warning
  - the optional response header `x-ms-error-code` removed for the status `default`

[Change history](https://skmtc.dev/azure/apis/cognitiveservices-speech-texttospeech/changes/basemodels/get.md)

---

[API](https://skmtc.dev/azure/apis/cognitiveservices-speech-texttospeech.md) · [All operations](https://skmtc.dev/azure/apis/cognitiveservices-speech-texttospeech/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/azure/cognitiveservices-speech-texttospeech/revisions/ab0685f3cc0d/schema)
