A professional human translation API

With the Nitro API, you can submit your texts for translation into multiple languages and get the finished translations back — all within your project!

70+ languages
Native-speaking linguists
Fast turnaround (2-24 hours)
Automate translation tasks and reduce overhead costs
No monthly fees — pay as you go

Get the Nitro API Read API Documentation

How to set it up

Create an account with Nitro.
Generate API keys on the Settings page.
Integrate the translation API into your project.

The Nitro API documentation is available at https://developer.nitro.alconost.com.

If you have any questions regarding the Nitro translation software API, please contact us at nitro@alconost.com.

How it works

Send an order via the Nitro API.
The order is placed in a queue.
A translator picks up the order.
Retrieve your translation via the API once it’s completed.

What can the Nitro API do for you?

Developed by developers for developers, the Nitro language localization API service has proven to be the best fit for quick tasks that require automation.

Translate
your ads

Get a fast, accurate translation of text ads within the number of characters you specify. Set up multilingual advertising without a large team of local marketers.

Localize in-game or
in-app texts

Automatically extract strings and upload translated texts to your game or app. The subject of your app or the volume of your text doesn't matter.

Translate websites and customer reviews

Automate translation of your web content. Translate your customer reviews and sound credible in multiple languages.

Localize your software and web apps

Streamline the software localization process with the API’s translation automation. Enter new markets with zero hassle.

Need to translate some text?

Try nitro

The Nitro API for your clients

Integrate our human translation feature into your project, and enable your clients to professionally translate their content and go global.

Consider implementing our online translation API for your clients if you develop for any of the following:

Content management system
International marketplace
Customer service software
Job-finding website, travel or event aggregator

Advantages of the Nitro translation service API

Compatible with all programming languages (Python, Javascript, Java, PHP, iOS, Android)
Perfect for urgent tasks (2-24 hour turnaround)
High-quality professional human translation at the speed of machine translation
Ability to assign character limits to strings
High-level security

Translation API pricing and payments

The Nitro API is free to use. You only pay for the translations you order.

Translation cost is calculated automatically based on the source and target languages and the number of characters in the source text (all characters are counted, including spaces, paragraph breaks, tabs, etc.).

Source language	Translation language	Rate per 1,000 characters, $
Popular
English	Spanish (Mexico)	15.00
English	Japanese	27.00
English	Arabic	15.40
English	French	19.50

More (183)

We offer our clients a variety of payment options, including credit/debit cards, wire transfers, PayPal, and more. Regular customers have the option of ordering on credit and receiving an invoice once a month.

Get the Nitro API Read API Documentation

Text translation API example usage

Ordering text translation is easy with the Nitro API. Just insert your source text, specify the context, choose the languages you need, pay for professional translation, and get the finished product.

Case Study: One major client uses the Nitro API to translate search ads into 28 languages at once. Using the Nitro API lets them save time by not having to log into their account and go through the usual checkout process. The client has uploaded a glossary which they regularly maintain, guaranteeing them high-quality, consistent translations in less than 24 hours.

Need assistance integrating the Nitro API into your product?

We’re here for you!

Give us a shout

Our Clients

More than 2000 companies have trusted us with their projects since 2004. Those companies have awesome projects. Yours is awesome too. We'd love to work with you.