curl -X POST 'https://api.elevenlabs.io/v1/pronunciation-dictionaries/add-from-file' \
  -H "xi-api-key: $ELEVENLABS_API_KEY" \
  -F 'name=string' \
  -F 'file=@sample.bin' \
  -F 'description=string' \
  -F 'workspace_access=admin'

# POST /v1/pronunciation-dictionaries/add-from-file (ElevenLabs API)
Base URL: https://api.elevenlabs.io
Auth: xi-api-key: <ELEVENLABS_API_KEY>
Last verified: 2026-09-03

> Add A Pronunciation Dictionary

## Critical Gotchas
* Authentication uses the non-standard `xi-api-key` header, not `Authorization: Bearer`. Sending a Bearer token returns HTTP 401.
* Text-to-speech responses are raw binary audio, not JSON. Write the body to a file (`--output speech.mp3`) rather than parsing it.

## cURL
curl -X POST 'https://api.elevenlabs.io/v1/pronunciation-dictionaries/add-from-file' \
  -H "xi-api-key: $ELEVENLABS_API_KEY" \
  -F 'name=string'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| name | body | string | Yes | The name of the pronunciation diction... |
| file | body | string | No | A lexicon .pls file which we will use... |
| description | body | string | No | A description of the pronunciation di... |

## Response (200 OK)
{"created_by":"ar6633Es2kUjFXBdR1iVc9ztsXl1","creation_time_unix":1714156800}

---
Need an API key? Get one at https://elevenlabs.io/app/sign-up

POST

/v1/pronunciation-dictionaries/add-from-file

ElevenLabs API

Add A Pronunciation Dictionary

Base URL: https://api.elevenlabs.io
Auth: xi-api-key: <ELEVENLABS_API_KEY>
Last verified: 2026-09-03 · upstream hash matched

Actions

Agents: curl -H "Accept: text/markdown" this URL
→ 210 tokens · Vary: Accept

Critical gotchas

Authentication uses the non-standard xi-api-key header, not Authorization: Bearer. Sending a Bearer token returns HTTP 401.

Text-to-speech responses are raw binary audio, not JSON. Write the body to a file (--output speech.mp3) rather than parsing it.

cURL

curl -X POST 'https://api.elevenlabs.io/v1/pronunciation-dictionaries/add-from-file' \  -H "xi-api-key: $ELEVENLABS_API_KEY" \  -F 'name=string' \  -F 'file=@sample.bin' \  -F 'description=string' \  -F 'workspace_access=admin'

Get a free ElevenLabs API key → sponsored

Parameters

Name	In	Type	Required	Description
name	body	string	Yes	The name of the pronunciation dictionary, used for identification only.
file	body	string	No	A lexicon .pls file which we will use to initialize the project with.
description	body	string	No	A description of the pronunciation dictionary, used for identification only.
workspace_access	body	string	No	Should be one of 'admin', 'editor' or 'viewer'. If not provided, defaults to no access.

Response 200 OK

{
  "created_by": "ar6633Es2kUjFXBdR1iVc9ztsXl1",
  "creation_time_unix": 1714156800,
  "description": "This is a test dictionary",
  "id": "5xM3yVvZQKV0EfqQpLrJ",
  "name": "My Dictionary",
  "permission_on_resource": "admin",
  "version_id": "5xM3yVvZQKV0EfqQpLrJ",
  "version_rules_num": 5
}