How AI is applied across API Evangelist and APIs.io. Read my AI disclosure →
API Evangelist API Evangelist
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC

Mux Transcription Vocabularies API

Transcription Vocabularies allows you to provide collections of phrases like proper nouns, technical jargon, and uncommon words as part of captioning workflows. When using Auto-Generated Captions, Transcription Vocabularies increase the likelihood of correct speech recognition for these words and phrases.

Mux Transcription Vocabularies API is one of 38 APIs that Mux publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Transcription Vocabularies. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

This API exposes 5 operations across 2 paths, and defines 6 schemas. It is described by OpenAPI 3.2.0, at version v1.

Requests are made against 4 base URLs: https://api.mux.com, https://image.mux.com, https://stream.mux.com, https://stats.mux.com.

5 operations 2 paths 6 schemas 1 DELETE2 GET1 POST1 PUT

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
v1
Base URL
https://api.mux.com
Authentication
HTTP Basic, HTTP Bearer
Contact
Resource Areas
1

Authentication & Security 2

Mux Transcription Vocabularies API declares 2 security schemes for authenticating requests. It accepts HTTP basic authentication (accessToken). It accepts HTTP bearer tokens (authorizationToken).

  • accessToken — The Mux Video API uses an Access Token and Secret Key for authentication. If you haven't already, [generate a new Access Token](https://dashboard.mux.com/setti…
  • authorizationToken — OAuth authorization token, used as a Bearer Auth header

Paths & Operations 5

Across 2 paths, the API surfaces 5 operations — 1 DELETE, 2 GET, 1 POST, 1 PUT. Each is listed below with its method, path, parameters, and response codes.

Transcription Vocabularies 5

Transcription Vocabularies allows you to provide collections of phrases like proper nouns, technical jargon, and uncommon words as part of captioning workflows. When using Auto-Ge…

POST
/video/v1/transcription-vocabularies
Create a Transcription Vocabulary
create-transcription-vocabulary body → 201
GET
/video/v1/transcription-vocabularies
List Transcription Vocabularies
list-transcription-vocabularies 2 params → 200
GET
/video/v1/transcription-vocabularies/{TRANSCRIPTION_VOCABULARY_ID}
Retrieve a Transcription Vocabulary
get-transcription-vocabulary 1 param → 200
DELETE
/video/v1/transcription-vocabularies/{TRANSCRIPTION_VOCABULARY_ID}
Delete a Transcription Vocabulary
delete-transcription-vocabulary 1 param → 204
PUT
/video/v1/transcription-vocabularies/{TRANSCRIPTION_VOCABULARY_ID}
Update a Transcription Vocabulary
update-transcription-vocabulary 1 param body → 200

Schemas 6

The contract defines 6 schemas that model the data the API accepts and returns. The most detailed are TranscriptionVocabulary (6 properties), UpdateTranscriptionVocabularyRequest (3 properties), CreateTranscriptionVocabularyRequest (3 properties), TranscriptionVocabularyResponse (1 property). Each schema is shown below with its type and property counts.

ListTranscriptionVocabulariesResponse
object
1 property
TranscriptionVocabularyResponse
object
1 property 1 required
CreateTranscriptionVocabularyRequest
object
3 properties 1 required
UpdateTranscriptionVocabularyRequest
object
3 properties 1 required
TranscriptionVocabularyPhrase
string
A phrase or word belonging to a Transcription Vocabulary.
TranscriptionVocabulary
object
6 properties 3 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

mux-com-transcription-vocabularies-api-openapi.yml Raw ↑

Other APIs Mux publishes across the network.

Mux Webhooks
Mux Animated Images API
Mux Annotations API
Mux Ask Questions API
Mux Assets API
Mux Captions and Transcripts API
Mux Delivery Usage API
Mux Dimensions API
Mux Direct Uploads API
Mux DRM Configurations API
Mux Edit Captions API
Mux Errors API
Where this information came from

This is an independent, third-party profile of Mux Transcription Vocabularies API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

info@apievangelist.com · Read the full data-sourcing policy →
On a security or compliance team? Put security in the subject line and you will get a person, not a form — we will tell you exactly which public URLs this profile was built from.