For creators, media and teams making Thai audio content
Hire a voice for every clip,or record it yourself every time?
Type the script in Thai, or Thai mixed with English, and get a WAV or MP3 file in 13 voices and 8 styles, for 0.2 credits per 1,000 characters.
Try 250,000 characters free. No credit card needed.
Prices before VAT, or Voice S at 500 THB a month for 2,500,000 characters.
- 2.1Mrequestsvoice requests so far
- 13voicesfrom a child to a grandparent, or clone your own
- 8stylesneutral, friendly, cheerful, calm and more
- 48kHzWAV or MP3 files
Audio work is slow where every clip waits for a voice actor or a recording
Change one word of the script and the whole passage is recorded again, and daily clips make voice fees and recording time pile up every month.
One changed word means recording the passage again.
01Type the script, get the audio
Send Thai text, or Thai mixed with English, and get a WAV or MP3 file. Edit the script and generate it again at once.
0.2 credits per 1,000 characters
One voice does not suit every job.
02Choose the voice and the style
Three ready voices and ten more in the library, from a child to a grandparent, in 8 styles, or clone a voice from a 10 to 20 second clip with its speaker’s consent.
The same price for every voice
Voice fees that add up every month.
03Monthly plans
For steady output, choose Voice S, Voice M, Voice L by the characters you use each month.
500 · 1,000 · 2,500 THB a month
A 1,000-character script: 0.2 credits, about 0.25 THB before VAT.
You are not the first team to use it
Counted on the live service, to 28 Oct 2026.
- 2.1Mvoice requests
- 90.2Mrequests across every API
Try first. Pay when you use it.
50 free credits, no card
Enough for 250,000 characters before you pay.
Errors are not charged
When the service answers with an error, no credit is taken.
Pay as you go, or a monthly plan
Top up from 100 credits with no contract, and credits never expire; or choose a monthly plan you can cancel, effective at the end of the billing period.
Before you decide, you will want to know this
Every answer comes from the API documentation and the published measurement.
Can we use the audio commercially?
Yes. The terms of service allow any lawful use of the output, commercial use included.
Can we clone someone else’s voice?
Only with the speaker’s consent. Every cloning request must confirm it, or it is refused.
How is a very long script billed?
Per 100 characters, rounded up, at 0.02 credits each: a million characters cost 200 credits.
How long does integration take?
One HTTP POST, with examples in curl, Python and JavaScript, and an open-source SDK for web and apps. Try it on the free credits before you write production code.
Can we get a tax invoice in our company’s name?
Yes. Request it from the credits page of your account after you pay.
Why iApp
We build our own models, trained on Thai data by a Thai team, and we train them further when your work needs it.
We build our own models
Our models are trained on Thai data by a Thai engineering team.
Thai comes first
We measure and test on real Thai documents and speech, and publish the results with the method.
Trained further for your case
If your case is one the current model cannot handle yet, we train it further on data from your work.
The price is on the page
1.25 credits per card, with no quotation to wait for. Work out the price at your volume on the pricing page.
Card, face and liveness on one key
With an open-source capture SDK, so there are no separate vendors to stitch together.
13 years with Thai businesses
When data has to stay inside your network, we install the service on your servers.
Gateways
Call an API, choose a model, hand the tools to an agent, or read the measurements.
API
Send a file or text, get structured data back. Published prices.
Browse the APIsModels
Thai models for text, speech and translation, hosted or on your servers.
See the modelsAgent
Every API as a tool for Claude, Cursor or any MCP client.
Connect an agentResearch
Open models, and benchmarks anyone can rerun.
Read the papers
The API for what you need
Say what you need. See the API, its price and the call.
- OCR and eKYC
- Speech
- Text and law
- Images
- All 52 APIs
Chinda TTS Text-to-Speech
Chinda TTS text-to-speech API: Thai, or Thai mixed with English, in three ready voices, a library of ten more from a child to a grandparent, eight speaking styles, or a voice cloned from a short clip, returned as WAV or MP3 at 48 kHz.
- Price
- 0.02 IC / 100 characters
- Measured CER
- 4.93%
- Requests served
- 2.1M
Our products
Made by iApp: Chinda for customers, OpenThai for everyone, and systems we install for you.
The platforms, the app, and the models you call.
- Chinda 3Enterprise knowledge platform
- Chinda OperatorAI receptionist for calls and chat
Chinda GOAssistant app, on your phone- Chinda LLMThai model, runs on a laptop
- Chinda MTTranslation
- Chinda TTSText to speech
- Chinda ASRSpeech to text
Coming: Chinda Bot · Chinda STS · Chinda Vision
Open weights anyone can download and run.
Standards and awards
Tested and certified by independent bodies, awarded in Thailand and abroad.
Standards and testing
iBeta PAD Level 1Facial anti-spoofing, ISO/IEC 30107‑3iBeta Quality Assurance · 2024 · Confirmation letter
ISO/IEC 29110‑4‑1:2018Project management and software implementation for very small entitiesINTERCERT · 2025
Awards
- Startup Ignite, second runner-up2023Huawei Cloud APAC, from more than 1,500 entrants
- AI Innovation Jumpstart, winner2022National Innovation Agency
- National Software Contest, first prize2020NSTDA
- Gold medal, Geneva2015International Exhibition of Inventions; bronze in 2019
