Card token obtainment without processing a payment

Forming a request to API for self-integration:
Options for generating data:
Parameter Required Type Description
version Required Number Version API. Current value - 3
public_key Required String Public key - the store identifier. You can get the key in the store settings
action Required String token_update
card_token Required String A token to update
card_token_action Required String Action to be done with the token. Possible values: SUSPEND - to suspend a token, UNSUSPEND - to resume a token, DELETE - to delete a token
Response parameters
status String Status of tokenization performance
card_token String A token of the LiqPay system
card_token_info Object Information about a token of Mastercard and Visa payment systems
Parameters card_token_info:
tokenRef String Token reference
tokenSuffix String The last 4 digits of the token
tokenExpDate String Token expiration date
status String Token status. Possible values: INACTIVE, ACTIVE, SUSPENDED, DELETED