# Registrant API integration specification

Test API endpoint: TBA
Production API endpoint: TBA

Main communication specification through Registrant API:

[Authentication](registrant-api/v1/authentication.md)
[Domains](registrant-api/v1/domain.md)
[Registry Lock](registrant-api/v1/registry_lock.md)
[Contacts](registrant-api/v1/contact.md)