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WellSaid API

API service

by WellSaid Labs

REST text-to-speech API with streaming and asynchronous endpoints that renders WellSaid's voice-actor voices in apps, IVR systems and pipelines, with SSML, pronunciation libraries and word-timing output.

Find alternatives to WellSaid API

What it does

• Text to speech

Features 6

• Real-time streamingReal-time streaming of generated speech for live experiences.
• Asynchronous endpointsAsynchronous endpoints for background and batch workloads.
• AI DirectorControls pitch, pace and tone for expressive voiceovers.
• Custom pronunciation rulesApply custom pronunciation rules for names, brands or technical terms.
• Access control by team or roleControl access by team, department or role.
• 96kHz audio outputUp to 96kHz audio for studio-quality output.

Sources

Pricing

Official documentation · 11 Oct 2026

"Includes up to 50 API calls during the 14-day trial." "We offer monthly or yearly plans tailored to a range of utilization needs"; FAQ: "we charge for monthly character usage and overages". No rate is published; plans are built with sales. The trial is not a free tier.

Description

Company disclosure · 11 Oct 2026

"Real-time streaming for seamless live experiences"; "Asynchronous endpoints for background and batch workloads"; "Apply custom pronunciation rules"; use cases "Conversational agents & chatbots", "IVR & phone systems". Docs: SSML capabilities, replacement libraries, word timing.

What it does

Official documentation · 11 Oct 2026

"Our RESTful API is a Text-to-Speech (TTS) API service that allows developers to convert text into spoken audio using high-quality AI voices."

Sold within

Not found · 11 Oct 2026

Read the API page, the pricing page and the API docs: the docs say API plans are built with WellSaid's team, and the Studio pricing page does not list the API, so neither a self-serve route nor a rate card is published and no parent offering is named.

Name

Official documentation · 11 Oct 2026

"Increase engagement with your core application by adding the most lifelike AI voices, powered by WellSaid API."

URL

Company disclosure · 11 Oct 2026

Products menu: "API Add voice to your product or platform" links here.

Deployment

Company disclosure · 11 Oct 2026

Hosted endpoint https://api.wellsaidlabs.com/v1/tts/stream.

Interfaces

Official documentation · 11 Oct 2026

"API Reference: WellSaid TTS API" (REST); "WellSaid MCP Server" guide.

Modalities

Official documentation · 11 Oct 2026

"This method turns text input into a consumable audio stream."

Intended for

Company disclosure · 11 Oct 2026

"developer-first flexibility"; "Optimized for high-concurrency applications".

Also from WellSaid Labs

• WellSaid Studio Application

  Web studio that turns pasted scripts into voiceovers from 280+ licensed voice-actor voices, with pitch, pace and pronunciation controls, team workspaces and caption-file export.

Open WellSaid Labs in the directory

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