Does TTS Monster have an API?

Yes, TTS Monster offers an API.

What platforms does TTS Monster support?

TTS Monster is available on Web App.

What are the limitations of TTS Monster?

Requires an existing StreamElements, StreamLabs or Ko-fi donation setup, so it is not a standalone reader. TTS alerts may not sync with an existing alerts overlay, which can cause overlapping audio on stream. Voice selection leans heavily on memes and impersonations, with fewer neutral professional options.

TTS Monster

Name: TTS Monster
Author: TTS Monster

Custom AI text to speech and sound bites for Twitch and YouTube streams

Beginner API

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Screenshot of TTS Monster, Custom AI text to speech and sound bites for Twitch and YouTube streams

What is TTS Monster?

TTS Monster is a demon voice tool. A free, browser based AI text to speech tool for Twitch and YouTube streamers. It converts donations into spoken voice alerts using 100+ AI voices and sound bites, integrates with StreamElements, StreamLabs and Ko-fi, and runs as an OBS overlay with no downloads.

TTS Monster is a browser based text to speech service built specifically for live streamers. It turns donations and tips into spoken AI voice alerts and drops sound bites into a Twitch or YouTube broadcast, without any software to install. The work happens on the company's servers, so a new alert is synthesized in seconds while the stream keeps running. The core of the product is a library of more than 100 AI voices, mixing straightforward announcer and narrator presets with meme and character impressions drawn from streaming and internet culture. A second library adds over 100 short sound effects, the kind of clips used for comedic timing during a stream. Users pick a voice, adjust settings to taste, and generate an overlay URL that gets pasted into OBS. When a donation or tip arrives, the line is read out live. The tool is aimed at streamers who already monetize through StreamElements, StreamLabs or Ko-fi. Connecting those accounts is the setup path, and the company says the process takes under five minutes. Moderation is handled through the existing StreamElements or StreamLabs recent events list, where skip, mute and pause buttons carry over to the TTS overlay. The service is positioned as a revenue booster as much as an entertainment feature, with the company claiming streamers have seen donation increases above 400 percent and confirming it takes no cut of earnings. Compared with generic text to speech tools, TTS Monster is narrow by design: it is a streaming alert layer, not a voiceover studio for podcasts, videos or audiobooks. A developer API exists for teams that want the same voices inside their own applications. Support runs through the official Discord and Twitter DMs, and the product is advertised as completely free.

How do you use TTS Monster?

1Create an account
Register or log in through the dashboard link on the homepage. The dashboard is where account connections and TTS settings live.
2Connect your donation platform
Add the details for your StreamElements, StreamLabs or Ko-fi account so the service can listen for incoming donations and tips.
3Choose voices and adjust settings
Browse the AI voice library and sound bites, then tweak the settings until the alert behaves the way you want on stream.
4Generate and copy the overlay URL
After saving your configuration, the dashboard produces an overlay URL. Copy it for use in your broadcasting software.
5Add the overlay in OBS
Create a browser source in OBS, paste the overlay URL, and position it on your scene. Test with a small donation to confirm audio plays.
6Ask for help if needed
If something misbehaves during setup, the official Discord is the fastest route to the team. Bug reports and questions go through the same channel.

Pros and cons

Pros

More than 100 AI voices plus over 100 sound bites cover both clean narration and meme style deliveryAI
No installation: everything is generated in the cloud and dropped into OBS as an overlay URLAI
Setup through StreamElements, StreamLabs or Ko-fi is quick, with the company citing under five minutesAI
Moderation reuses the skip, mute and pause controls streamers already have in their alert platformAI
The service is free and takes no cut of streamer donationsAI

Cons

Requires an existing StreamElements, StreamLabs or Ko-fi donation setup, so it is not a standalone readerAI
TTS alerts may not sync with an existing alerts overlay, which can cause overlapping audio on streamAI
Voice selection leans heavily on memes and impersonations, with fewer neutral professional optionsAI
Only confirmed for donation triggered alerts on Twitch and YouTube; other use cases are unaddressedAI

How much does TTS Monster cost?

Pricing

The homepage states the tool is completely free and that it does not take a cut of streamer revenue. No paid tiers, credit packs or subscription prices are listed on the homepage.

Learn more

Support

Support is handled through the official Discord server and Twitter DMs, where the team answers questions and takes bug reports. No email or ticket system is mentioned on the homepage.

Learn more

Integrations

Connects with StreamElements, StreamLabs and Ko-fi for donation triggered alerts, and works with Twitch and YouTube streams through OBS. A developer API is offered for custom integrations.

Features

Over 100 AI voices and more than 100 sound bites, generated in the cloud in seconds with no downloads. StreamElements, StreamLabs and Ko-fi support, an OBS overlay URL, mod controls inherited from the alert platform, and a developer API for embedding the voices in other applications.

Frequently asked questions about TTS Monster

How much does TTS Monster cost?
The homepage states the tool is completely free and that it does not take a cut of streamer revenue. No paid tiers, credit packs or subscription prices are listed on the homepage.
Does TTS Monster have an API?
Yes, TTS Monster offers an API.
How do you use TTS Monster?
The walkthrough on this page covers 6 steps: 1. Create an account 2. Connect your donation platform 3. Choose voices and adjust settings 4. Generate and copy the overlay URL 5. Add the overlay in OBS 6. Ask for help if needed.
What platforms does TTS Monster support?
TTS Monster is available on Web App.
What does TTS Monster integrate with?
Connects with StreamElements, StreamLabs and Ko-fi for donation triggered alerts, and works with Twitch and YouTube streams through OBS. A developer API is offered for custom integrations.
What are the limitations of TTS Monster?
Requires an existing StreamElements, StreamLabs or Ko-fi donation setup, so it is not a standalone reader. TTS alerts may not sync with an existing alerts overlay, which can cause overlapping audio on stream. Voice selection leans heavily on memes and impersonations, with fewer neutral professional options.