aid: hume-ai
url: https://raw.githubusercontent.com/api-evangelist/hume-ai/refs/heads/main/apis.yml
name: Hume AI
x-type: company
description: >-
  Hume AI builds empathic voice and emotional AI models. The platform exposes four published
  APIs: Voices, Octave Text-to-Speech, Empathic Voice Interface (EVI / speech-to-speech),
  and Expression Measurement (multimodal emotion analysis). REST + WebSocket interfaces are
  documented with public OpenAPI and AsyncAPI specifications at https://dev.hume.ai/.
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
tags:
  - AI
  - Voice
  - Empathic
  - Emotion
  - Multimodal
created: '2026-05-08'
modified: '2026-05-08'
specificationVersion: '0.19'
apis:
  - aid: hume-ai:voices
    name: Hume Voices API
    description: >-
      REST API for managing custom voices used by Hume's TTS and EVI products. Supports voice
      creation, listing, and deletion. Bearer token auth.
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://dev.hume.ai/reference
    baseURL: https://api.hume.ai
    tags:
      - Voices
      - Voice Cloning
      - TTS
    properties:
      - type: Documentation
        url: https://dev.hume.ai/reference
      - type: OpenAPI
        url: openapi/hume-ai-voices-openapi.yml
  - aid: hume-ai:tts
    name: Hume Octave Text-to-Speech API
    description: >-
      REST API for synthesizing expressive speech using Octave. Supports streamed JSON/file
      and standard JSON/file responses, plus voice conversion endpoints.
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://dev.hume.ai/docs/text-to-speech-tts
    baseURL: https://api.hume.ai
    tags:
      - TTS
      - Speech Synthesis
      - Streaming
      - Octave
    properties:
      - type: Documentation
        url: https://dev.hume.ai/docs/text-to-speech-tts
      - type: OpenAPI
        url: openapi/hume-ai-tts-openapi.yml
      - type: Pricing
        url: https://www.hume.ai/pricing
  - aid: hume-ai:evi
    name: Hume Empathic Voice Interface (EVI) API
    description: >-
      Real-time emotionally intelligent speech-to-speech voice interface delivered over
      WebSockets. Includes configuration, prompt, and tool management plus chat history,
      chat group operations, and webhook events for tool calls and chat lifecycle.
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://dev.hume.ai/docs/speech-to-speech-evi
    baseURL: https://api.hume.ai
    tags:
      - EVI
      - Speech-to-Speech
      - WebSocket
      - Realtime
      - Empathic
    properties:
      - type: Documentation
        url: https://dev.hume.ai/docs/speech-to-speech-evi
      - type: OpenAPI
        url: openapi/hume-ai-evi-openapi.yml
      - type: AsyncAPI
        url: https://dev.hume.ai/asyncapi.yaml
  - aid: hume-ai:expression
    name: Hume Expression Measurement API
    description: >-
      Multimodal emotion analysis API for face, voice, language, and burst expression. Offers
      batch inference jobs over images/audio/video/text, and streaming inference.
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://dev.hume.ai/docs/expression-measurement
    baseURL: https://api.hume.ai
    tags:
      - Expression Measurement
      - Emotion
      - Multimodal
      - Batch
      - Streaming
    properties:
      - type: Documentation
        url: https://dev.hume.ai/docs/expression-measurement
      - type: OpenAPI
        url: openapi/hume-ai-expression-openapi.yml
common:
  - type: Website
    url: https://www.hume.ai/
  - type: Documentation
    url: https://dev.hume.ai/
  - type: Plans
    url: plans/hume-ai-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/hume-ai-rate-limits.yml
  - type: FinOps
    url: finops/hume-ai-finops.yml
maintainers:
  - FN: Kin Lane
    email: kin@apievangelist.com