Developers - Yandex.Translate
https://translate.yandex.com/developersThe Yandex.Translate API is a universal text translation tool that uses machine translation technology developed at Yandex. It allows developers to integrate machine translation into their applications, services, and sites. Translation is currently available for more than 90 languages. See how Yandex machine translation works or download the ...
Pricing - Yandex.Translate
https://translate.yandex.com/developers/pricesUse of the Yandex.Translate API on a paid basis is conducted in accordance with the conditions of the License Agreement. To sign a License Agreement, and if you need to translate more than 1,000,000,000 characters a month, send a request to the following email address: translate-business@support.yandex.com .