post https://{tenanturl}/v1.0/usc/user/invitation//validator
Entitlements required: inviteUser (Invite user).
This API is a public preview and is enabled for a tenant that includes invite user beta support.
Validates the email link that is associated with the transaction in the invite user flow. The email link includes a factorTrnxId and a uscTrxId as query parameters. Pass the value of the factorTrnxId as the otp string in the payload. Pass the value of the uscTrxId as the transaction ID path parameter for the API URI.