SoundHound

SoundHound AI is a voice AI and audio intelligence platform offering the Houndify conversational voice assistant API and a music fingerprint identification API. Developers can build voice-enabled applications using HTTP and WebSocket endpoints that accept audio or text queries and return structured JSON, powered by SoundHound's proprietary Speech-to-Meaning and Deep Meaning Understanding technologies.

SoundHound publishes 2 APIs on the APIs.io network. Tagged areas include Voice AI, Conversational AI, Music Recognition, Audio Intelligence, and Speech Recognition.

SoundHound’s developer surface includes engineering blog, GitHub presence, signup flow, and 9 more developer resources.

📡 Source on GitHub

19.3/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0

AccessFreemium

2 APIs

Voice AI Conversational AI Music RecognitionAudio IntelligenceSpeech Recognition Natural Language Processing

Kin Score

Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0

Composite quality — 19.3/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 0.5 / 20

Access Clarity 9.2 / 20

Operational Transparency 2.7 / 13

Contract Governance 0.0 / 12

Discoverability 6.9 / 10

Agent readiness — 3/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Surface 0 / 5

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/soundhound: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 2

Individual APIs this provider publishes, each with its own machine-readable definition.

Rate Limits 2

Documented rate limits and quota policies.

Houndify Voice Ai

0 limits

RATE LIMITS

Music Id

0 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Get Started 2

Portal, sign-up, and the first successful call

Signup

Signup

Login

Build 1

SDKs, sample code, and the tooling you integrate with

GitHub

GitHub

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 2

Status, limits, changes, and where to get help

Contact

Contact

StatusPage

StatusPage

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

FinOps

FinOps

Company 3

The organization behind the API

Blog

Blog

Newsroom

Newsroom

InvestorRelations

InvestorRelations

Other 1

Properties that don't map to a standard resource type

Developer Platform

Developer Platform

Source (apis.yml)

name: SoundHound
description: SoundHound AI is a voice AI and audio intelligence platform offering the Houndify conversational voice assistant
  API and a music fingerprint identification API. Developers can build voice-enabled applications using HTTP and WebSocket
  endpoints that accept audio or text queries and return structured JSON, powered by SoundHound's proprietary Speech-to-Meaning
  and Deep Meaning Understanding technologies.
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/soundhound.png
url: https://raw.githubusercontent.com/api-evangelist/soundhound/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.23'
tags:
- Voice AI
- Conversational AI
- Music Recognition
- Audio Intelligence
- Speech Recognition
- Natural Language Processing
apis:
- name: Houndify Voice AI API
  description: The Houndify platform provides HTTP and WebSocket APIs that accept text or audio queries and return actionable
    JSON responses. Built on SoundHound's Speech-to-Meaning and Deep Meaning Understanding technologies, it enables developers
    to build context-aware conversational voice assistants with support for multiple languages, conversation state management,
    and real-time partial transcripts.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.soundhound.com/voice-ai-products/developer/
  baseURL: https://api.houndify.com
  tags:
  - Voice AI
  - Conversational AI
  - Speech Recognition
  - Natural Language Processing
  - Text Query
  - Audio Query
  properties:
  - type: Documentation
    url: https://www.soundhound.com/voice-ai-products/developer/
  - type: GettingStarted
    url: https://www.soundhound.com/voice-ai-products/developer/
  - type: SDKs
    url: https://github.com/soundhound
  - type: GitHubOrganization
    url: https://github.com/soundhound
  - type: PythonSDK
    url: https://pypi.org/project/Houndify/
  - type: GoSDK
    url: https://github.com/soundhound/houndify-sdk-go
  - type: iOSSDK
    url: https://github.com/soundhound/houndify-sdk-ios
  - type: WebSDKExample
    url: https://github.com/soundhound/hound-sdk-web-example
  - type: TermsOfService
    url: https://www.houndify.com/terms
  - type: Signup
    url: https://www.houndify.com/signup
  - type: Login
    url: https://www.houndify.com/login
  - type: Plans
    url: https://raw.githubusercontent.com/api-evangelist/soundhound/refs/heads/main/plans/houndify-voice-ai.yml
  - type: RateLimits
    url: https://raw.githubusercontent.com/api-evangelist/soundhound/refs/heads/main/rate-limits/houndify-voice-ai.yml
  contact:
  - FN: SoundHound Developer Platform
    url: https://www.soundhound.com/contact/
    email: ''
- name: SoundHound Music Fingerprint Identification API
  description: A high-accuracy music recognition API capable of identifying copyrighted music from as little as 2 to 10 seconds
    of audio with sub-second latency for streamed requests. Designed for enterprise integration with built-in noise robustness
    and minimal audio data requirements, the API delivers fast and reliable music identification for applications requiring
    audio intelligence.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.soundhound.com/soundhound-music-id-one-sheet/
  baseURL: https://api.soundhound.com
  tags:
  - Music Recognition
  - Audio Intelligence
  - Audio Fingerprinting
  - Music Identification
  - Content Recognition
  properties:
  - type: Documentation
    url: https://www.soundhound.com/voice-ai-products/developer/
  - type: ProductOverview
    url: https://www.soundhound.com/soundhound-music-id-one-sheet/
  - type: Contact
    url: https://www.soundhound.com/contact/
  - type: Plans
    url: https://raw.githubusercontent.com/api-evangelist/soundhound/refs/heads/main/plans/music-id.yml
  - type: RateLimits
    url: https://raw.githubusercontent.com/api-evangelist/soundhound/refs/heads/main/rate-limits/music-id.yml
  contact:
  - FN: SoundHound Music API Sales
    url: https://www.soundhound.com/contact/
    email: ''
common:
- type: DomainSecurity
  url: security/soundhound-domain-security.yml
- type: Developer Platform
  url: https://www.soundhound.com/voice-ai-products/developer/
- type: Blog
  url: https://www.soundhound.com/voice-ai-resources/
- type: Newsroom
  url: https://www.soundhound.com/newsroom/press-releases/
- type: GitHub
  url: https://github.com/soundhound
- type: TermsOfService
  url: https://www.houndify.com/terms
- type: Contact
  url: https://www.soundhound.com/contact/
- type: Signup
  url: https://www.houndify.com/signup
- type: Login
  url: https://www.houndify.com/login
- type: StatusPage
  url: https://www.saashub.com/soundhound-status
- type: InvestorRelations
  url: https://investors.soundhound.com/news-releases
- type: FinOps
  url: https://raw.githubusercontent.com/api-evangelist/soundhound/refs/heads/main/finops/soundhound.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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SoundHound

Kin Score

APIs 2

Houndify Voice AI API

SoundHound Music Fingerprint Identification API

Pricing Plans 2

Houndify Voice Ai

Music Id

Rate Limits 2

Houndify Voice Ai

Music Id

FinOps 1

Soundhound

Security Posture 1

Soundhound Domain Security

Resources

Get Started 2

Build 1

Access & Security 1

Operate 2

Commercial 2

Company 3

Other 1

Source (apis.yml)

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