curl --request GET \
  --url https://studio.x402layer.cc/api/campaigns/{slug}/contributions

{
  "contributions": [
    {
      "wallet_address": "<string>",
      "display_name": "<string>",
      "amount": 123,
      "chain": "<string>",
      "created_at": "2023-11-07T05:31:56Z"
    }
  ]
}