Yes, you must be an ICANN accredited registrar to register within the Clearinghouse.
Do I need to be an ICANN accredited registrar to register within the Clearinghouse?
FAQ
Account
API (Automated Interface)
How can I check which labels qualify as an identical match in accordance to the matching rules?
updated
How can I connect to the API?
updated
Financial
general
proof of use
Registrars
Registries
TMCH Interface
How can I reset my password?
updated