curl -X POST 'https://api.tolt.com/v1/promotion-codes' \
-H 'Authorization: Bearer <API_KEY>' \
-H 'Content-Type: application/json' \
-d '{
    "code": "SUMMER2024",
    "type": "percentage",
    "value": 20,
    "partner_id": "part_s7mbzRGn46BhVgNFHD6fDgXW"
}'

{
  "success": true,
  "data": [
    {
      "id": "prc_dK9bzRGn46BhVgNFHD6fDgXW",
      "active": true,
      "entity_type": null,
      "code": "SUMMER2024",
      "value": 20,
      "type": "percentage",
      "program_id": "prg_YRsbPDAKhWfdqJbFACheh",
      "group_id": null,
      "organization_id": "org_JE3mfYNL9ci7sFaJazAv2",
      "partner_id": "part_s7mbzRGn46BhVgNFHD6fDgXW",
      "created_at": "2025-01-15T14:30:00.000Z",
      "updated_at": "2025-01-15T14:30:00.000Z"
    }
  ]
}