post https://api.splio.com/loyalty/rewards/eligibility/
Get the list of the available rewards depending on various parameters.
Error cases
Cardcode does not exist (404)
{
"error_key": "",
"error": "",
"error_description": "test_cardcodee not found"
}
Filtering custom field does not exist (400)
{
"error_key": "",
"error": "",
"error_description": "invalid parameters: c12. Available ones: c0,reward_custom_field,c1,reward_cf_2"
}