https://cobt.clal-ins.co.il/gateway/OpenFinanceSandbox/oauth-authorization-server
Request Body:
Without Request Body

Response Body:
{
    "issuer": "https://cobt.clal-ins.co.il/gateway/OpenFinanceSandbox/",
    "token_endpoint": "https://cobt.clal-ins.co.il/gateway/OpenFinanceSandbox/token",
    "authorization_endpoint": "https://cobt.clal-ins.co.il/gateway/OpenFinanceSandbox/authorize"
}