curl --request POST \
  --url https://api.arkhq.io/v1/tenants/{tenantId}/suppressions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "address": "user@example.com",
  "reason": "user requested removal"
}
'

{
  "success": true,
  "data": {
    "id": "789",
    "address": "jsmith@example.com",
    "createdAt": "2023-11-07T05:31:56Z",
    "reason": "hard_bounce"
  },
  "meta": {
    "requestId": "req_V1StGXR8_Z5jdHi6"
  }
}