How to enable Russian captcha solution via deathbycaptcha.com service?

Question

CAPTCHA

I recently started using this service. I intend to use it (the offer to use another service will not be an answer to the question). Until recently, he could only solve Latin and digital puzzles, but now, according to the assurances of service specialists, they can solve Russian captcha.
There is a correspondence in which it seems like it is indicated what to do. But I did not work with the API, and in the right program I enter the login and password of the deathbycaptcha.com service. Please see the correspondence. I haven't figured it out yet.

For you to send russian CAPTCHAs, you just need to send us an extra field named "language" through our API. This field will have the "ru" value for Russian CAPTCHAs. (&language=en).

I don't use api. I just enter my username and password in the program seopowersuite
How do I set up a job with the Russian language?

For you to send russian CAPTCHAs, you just need to send us an extra field named "language" through our API. This field will have the "ru" value for Russian CAPTCHAs. (&language=en).

Sorry but I don't understand.
Where do I go, what to do to use a captcha to the Russian language?
On what page you need to enter & language = en
Please be more precise step by step - what to do?

Unfortunately we don't provide programming support, we kindly suggest you to contact a 3rd party programmer or freelancer.

I think the correspondence shows what's going on. Help to understand, please.