get https://api.splio.com/loyalty/v1/rewards//attributions
Get the list of all granted reward for a specific reward (using it's ID).
Error cases
Wrong cursor - see dedicated doc (400)
Reward external_id does not exist (404)
{
"status": 404,
"errors": [
{
"error_key": "id",
"error": "wrong_value",
"error_description": "Record not found for id test_reward."
}
]
}