PlayHT

PlayHT, now operating as PlayAI, is a generative voice platform offering realistic text-to-speech models, AI voice agents, and a podcast generation tool called PlayNote. The platform centers on the PlayDialog and Play 3.0 Mini models, providing more than 200 prebuilt voices across multiple languages and accents with sub-second latency suited to conversational applications. PlayAI exposes REST and streaming endpoints for text-to-speech, voice listing, voice cloning, and voice agent management. It ships Python and Node.js SDKs and a hosted playground, and integrates with the major voice agent infrastructure stacks. The product is widely used to build voice assistants, IVRs, narration pipelines, and content production workflows.

PlayHT publishes 2 APIs on the APIs.io network: PlayAI Text-to-Speech API and PlayAI Voice Agents API. Tagged areas include Voice, TTS, Text to Speech, Voice Cloning, and Voice Agents.

The PlayHT catalog on APIs.io includes 1 event-driven AsyncAPI specification and 1 Spectral governance ruleset.

PlayHT’s developer surface includes authentication, documentation, engineering blog, pricing, and 10 more developer resources.

🌐 Visit website 📡 Source on GitHub
38.8/100 thin ▬ flat Agent 37/100 agent aware Full breakdown ↓
scored 2026-07-21 · rubric v0.4
2 APIs 0 Features
VoiceTTSText to SpeechVoice CloningVoice AgentsStreamingPlayDialogPlay 3.0PlayNoteMultilingualReal-Time

API Rating

API Evangelist API Evangelist Rating How this is scored →
scored 2026-07-21 · rubric v0.4
Composite quality — 38.8/100 · thin
Contract Quality 5.7 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 12.1 / 20
Operational Transparency 3.4 / 13
Governance 7.3 / 12
Discoverability 6.0 / 10
Agent readiness — 37/100 · agent aware
Machine-Readable Contract 0 / 18
Agentic Access Contract 15 / 15
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 6 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
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/playht: 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

PlayAI Text-to-Speech API

The PlayAI Text-to-Speech API converts text into natural, human-like speech using the PlayDialog 1.0, Dialog 1.0 Turbo, and Play 3.0 Mini models. It supports streaming, voice cl...

PlayAI Voice Agents API

The PlayAI Voice Agents API lets developers create, configure, and run conversational AI agents that process voice input and respond with generated speech, with optional tool us...

Collections

PlayAI API

OPEN

Pricing Plans

Playht Plans Pricing

1 plans

PLANS

Rate Limits

Playht Rate Limits

2 limits

RATE LIMITS

FinOps

Playht Finops

FINOPS

Event Specifications

PlayAI Realtime WebSocket APIs

AsyncAPI 2.6 description of the PlayAI (formerly PlayHT) realtime WebSocket APIs. Covers the Text-to-Speech (TTS) streaming WebSocket used to synthesize audio from text in real ...

ASYNCAPI

API Governance Rules

PlayHT API Rules

7 rules · 1 errors 5 warnings 1 info

SPECTRAL

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess
 LlmsText
LlmsText

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 1

Status, limits, changes, and where to get help

Discord
Discord

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 3

The organization behind the API

Website
Website
 Blog
Blog
 LinkedIn
LinkedIn

Other 1

Properties that don't map to a standard resource type

X
X

Source (apis.yml)

apis.yml Raw ↑ 
opencollection: 1.0.0
info:
  name: PlayAI API
  version: 1.0.0
request:
  auth:
    type: apikey
    key: AUTHORIZATION
    value: '{{AUTHORIZATION}}'
    placement: header
items:
- info:
    name: TTS
    type: folder
  items:
  - info:
      name: Create an async TTS job
      type: http
    http:
      method: POST
      url: https://api.play.ai/api/v1/tts
      body:
        type: json
        data: '{}'
    docs: 'Convert text to speech with PlayAI models. Returns an async job that

      can be polled via GET /api/v1/tts/{asyncTtsJobId}.

      '
  - info:
      name: Retrieve async TTS job status
      type: http
    http:
      method: GET
      url: https://api.play.ai/api/v1/tts/:asyncTtsJobId
      params:
      - name: asyncTtsJobId
        value: ''
        type: path
    docs: Retrieve async TTS job status
  - info:
      name: Stream speech in real time
      type: http
    http:
      method: POST
      url: https://api.play.ai/api/v1/tts/stream
      body:
        type: json
        data: '{}'
    docs: Streams audio bytes for the supplied text in real time.
- info:
    name: Voices
    type: folder
  items:
  - info:
      name: List prebuilt voices
      type: http
    http:
      method: GET
      url: https://api.play.ai/api/v1/voices
    docs: List prebuilt voices
- info:
    name: Agents
    type: folder
  items:
  - info:
      name: Create a PlayAI agent
      type: http
    http:
      method: POST
      url: https://api.play.ai/api/v1/agents
      body:
        type: json
        data: '{}'
    docs: Create a PlayAI agent
  - info:
      name: Retrieve agent information
      type: http
    http:
      method: GET
      url: https://api.play.ai/api/v1/agents/:agentId
      params:
      - name: agentId
        value: ''
        type: path
    docs: Retrieve agent information
  - info:
      name: Update agent properties
      type: http
    http:
      method: PATCH
      url: https://api.play.ai/api/v1/agents/:agentId
      params:
      - name: agentId
        value: ''
        type: path
      body:
        type: json
        data: '{}'
    docs: Update agent properties
- info:
    name: Conversations
    type: folder
  items:
  - info:
      name: List agent conversations
      type: http
    http:
      method: GET
      url: https://api.play.ai/api/v1/agents/:agentId/conversations
      params:
      - name: agentId
        value: ''
        type: path
    docs: List agent conversations
  - info:
      name: Get conversation transcript
      type: http
    http:
      method: GET
      url: https://api.play.ai/api/v1/agents/:agentId/conversations/:conversationId/transcript
      params:
      - name: agentId
        value: ''
        type: path
      - name: conversationId
        value: ''
        type: path
    docs: Get conversation transcript
- info:
    name: External Functions
    type: folder
  items:
  - info:
      name: List external functions
      type: http
    http:
      method: GET
      url: https://api.play.ai/api/v1/external-functions
    docs: List external functions
  - info:
      name: Create an external function
      type: http
    http:
      method: POST
      url: https://api.play.ai/api/v1/external-functions
      body:
        type: json
        data: '{}'
    docs: Create an external function
- info:
    name: PlayNote
    type: folder
  items:
  - info:
      name: Create a PlayNote
      type: http
    http:
      method: POST
      url: https://api.play.ai/api/v1/playnotes
      body:
        type: json
        data: '{}'
    docs: Create a new PlayNote by providing a source file URL.
  - info:
      name: Retrieve PlayNote information
      type: http
    http:
      method: GET
      url: https://api.play.ai/api/v1/playnotes/:playNoteId
      params:
      - name: playNoteId
        value: ''
        type: path
    docs: Retrieve PlayNote information
bundled: true