Consider registrars with whom Whic Pro can Autoregister(catch) domains.
The list of supported API by Whic Pro

Dynadot.com - Dynadot

Internetbs.net - InternetBS

Namecheap.com - Namecheap

Evonames.com

Hexonet.net

INWX

NameSilo

Nic.ru - Ru-Center

R01.ru - R01

Reg.ru - Reg.ru

Naunet.ru - Naunet

Axelname.ru - Axelname

Ardis.ru  - Ardis

Webnames.ru - Webnames.ru

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