---
title: "Synchronous Estonian vowel classifier. Submit a fileId, receive the predicted vowel and confidence in the response."
method: POST
path: "/api/classify-estonian-vowel"
tags: ["Phoneme & Classification"]
---

# Synchronous Estonian vowel classifier. Submit a fileId, receive the predicted vowel and confidence in the response.

`POST /api/classify-estonian-vowel`

## Request

- Base URL: `https://platform.vocametrix.com`
- URL: `https://platform.vocametrix.com/api/classify-estonian-vowel`
- Auth: API key in header `X-API-Key`

## Request body

- object
  - `fileId` string, required: REQUIRED. fileId from a prior /api/assignFileId upload.

## Response `200`

Successful response

- object
  - `<python output>` string: JSON shape produced by python/phonemes/estonian_vowels/estonian_vowel_client.py — typical fields: `success`, `predicted_vowel`, `confidence`, `probabilities: { <vowel>: <prob>, ... }`. The exact key set is determined by the Python client and is not enumerated by the JS layer.

## Other responses

- `400`: Bad request — missing or invalid parameter
- `401`: Unauthorized — missing or invalid API key
- `429`: Rate limit exceeded
- `500`: Server error

---

[API](https://skmtc.dev/vocametrix/apis/vocametrix-api.md) · [All operations](https://skmtc.dev/vocametrix/apis/vocametrix-api/llms.txt) · [OpenAPI document](https://skmtc.dev/vocametrix/apis/vocametrix-api/revisions/8a54d01bcc81?raw)