This operation helps the merchant to check the eligibility of the user for Cred payment method. Internally SDK connects to the Cred app and Cred server to check for Eligibility. The Client_auth_token is to be passed for this call. The warm up for Eligibility happens when the merchant calls Initiate(). Juspay SDK does the eligibility check and in the background when Initiate starts to keep the latency minimal for Merchant.