9 Translation APIs to Make Your Application Multilingual

In at present’s fashionable world, the place every part is related, it is unnecessary to construct an internet site or an utility that may be accessed in only one language.

To attain a worldwide audience, companies should make their services accessible in a number of languages. But how can they achieve this? Isn’t it exhausting to create a number of pages for each language manually?

That’s the place translation APIs come into motion.

Translation API: An Overview

A translation API permits you to translate your utility or web site content material programmatically. It connects your utility to a translation platform or a service seamlessly by abstracting the method of coping with the interpretation service manually.

To summarize, listed below are the advantages of creating your utility multilingual through the use of a translation API:

  • Global Target Audience: By making your utility multilingual, you take away the language barrier. That is particularly essential for world companies focusing on a a lot wider viewers.
  • Localization: The idea of localization is about catering to your audience of their native language. With the assistance of it, companies could make their merchandise extra personalised.
  • Analytics: You can analyze your utility efficiency after making it multilingual and enhance your providers primarily based on native preferences.

Depending on a selected supplier, translation APIs could supply numerous providers and customization choices. For occasion, you might use numerous APIs to carry out language identification, get various translations, set translation high quality ranges, and many others.

Want to know extra about totally different translation APIs? Here is a listing of a number of the translation API platforms.

Google Cloud Translation API


Google Cloud provides a translation API which makes use of a pre-trained Neural Machine Translation mannequin to translate textual content. It updates this NMT mannequin regularly to incorporate higher strategies and coaching knowledge.

The API can translate your content material to and from round 100 language pairs with limitless character translations per day. Not solely that, it may well detect the present language routinely and translate it accordingly. Currently, it helps round 135 languages.

It gives two editions: Cloud Translation Basic & Cloud Translation Advanced. The superior version has the higher hand over the essential version when it comes to options like including glossaries and customized ML fashions.

Azure Translator

Azure Translator is an AI service for real-time textual content translation. The API for textual content translation is named Azure Text Translation API, and it helps over 100 languages. It can translate, transliterate and detect supply languages.

In order to entry the API, you want to create a Microsoft in addition to Azure account, generate a translator REST API useful resource on the Azure portal, get your API entry keys, and select a programming language of your selection from a listing of supported languages. Supported programming languages embody C#, Go, Java, Javascript, and Python.


There can also be a no-translate characteristic, which helps you to forestall a chunk of textual content to not be translated. You can simply add a notranslate class to your HTML or set the translate attribute to “no” similar to this – translate="no".

The translator service provides a free plan and a pay-as-you-go possibility for catering to your particular enterprise wants.


DeepL is a machine translation expertise that gives an API to combine it with web sites and functions. Use circumstances of DeepL embody web site content material translation, inner firm communications for multinational firms, and creating multilingual merchandise.


It gives a safe means to translate your content material with out persisting any info and utilizing it to prepare AI fashions. It additionally adheres to EU knowledge safety legal guidelines.

DeepL provides two plans, one free and a professional plan. With the free plan, you may solely translate up to 500,000 characters per thirty days. The benefit of the professional plan is that it’s primarily based on usage-based pricing. One drawback of DeepL is that it’s solely obtainable in selected countries.

Also learn: DeepL: A Better Alternative to Google Translate?

Yandex Translate API

Yandex Translate API gives all the essential options you’d count on from a translation service. It additionally has a playground the place you may check the API.


It makes use of a translation service developed by Yandex itself and helps greater than 90 languages. Yandex API response is accessible in three codecs – XML, JSON, and JSONP.

The largest drawback of utilizing this API is that it’s very primary and doesn’t embody sufficient options.


LibreTranslate is an open-source machine translation API. It’s free for testing, private or rare use and comes underneath an AGPLv3 license.


For manufacturing use circumstances, you may host your individual occasion of LibreTranslate on a server and entry it utilizing an API key.

In phrases of options, it solely gives textual content and file-based translation utilizing a REST API documented on Swagger. It’s a quite simple API with a bunch of simple endpoints permitting you to get your job carried out.

However, it doesn’t supply extra superior options and solely helps round 30 languages. You can retrieve the listing of supported languages by hitting this endpoint.



Translated API is an easy and highly effective means to programmatically translate content material utilizing Translated providers in over 200 languages. It additionally provides a dashboard to monitor all of the API requests despatched to TranslationOS endpoints.

Some of its options embody superior repetition leveraging, together with ICE and SPICE matching in opposition to prioritized non-public translation reminiscences and machine translation, string segmentation, extraction, and reinsertion in 71 file codecs, translation monitoring, together with real-time progress, high quality assurance, and a free migration plan.

Systran Translate

As a machine translation service, Systran gives an API to make your web site multilingual with real-time translation in over 50 languages. You can use it to translate your inner and exterior functions, customer support platforms, product interfaces, internet pages, and many others.


Systran gives a free trial of its API for 14 days and up to 500,000 characters. It is a GDPR-compliant API helpful for giant company purchasers and governments which have the best expectations when it comes to knowledge safety.

Amazon Translate

Amazon Translate is a neural machine translation service that delivers quick, reasonably priced, and customizable language translation for round 75 languages.

It makes use of Active Custom Translation (ACT) expertise to customise your Amazon Translate output with out constructing or sustaining a customized translation mannequin. It may also establish languages routinely if not specified.


The largest advantage of utilizing Amazon Translate is the ecosystem it gives for seamless integration with different AWS instruments equivalent to Transcribe, S3, Lambda, Redshift, DynamoDB, and many others. Also, it provides each free and pay-as-you-go pricing plans catered to your particular wants.

The translation API offered by is helpful for streamlining your web site, app, and buyer assist localization.


It’s fascinating to be aware that it helps each machine in addition to human translation codecs. The machine translation API helps round 90 languages, whereas the human translation API assist solely round 60 languages. However, options equivalent to translation glossaries and storage are solely included in human translation API.

It provides free, pay-as-you-go, and customized plans for your enterprise wants.

Final Words

Without having to create their very own translation methods from scratch, builders can use the ability of machine translation providers of their functions thanks to numerous translation APIs. These APIs make it easier to facilitate the incorporation of multilingual performance into functions throughout a number of domains.

Next, take a look at one of the best audio translation platforms.

Vikash Gorayan

Vikash Gorayan is a technology enthusiast with a passion for gadgets and product management. He is constantly seeking new opportunities to learn and grow in his field.

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