curl --request POST \
  --url https://api.getsly.ai/v1/v1/mpp/sessions/{sessionId}/close \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "<string>",
    "service_url": "<string>",
    "agent_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "wallet_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "deposit_amount": "<string>",
    "currency": "<string>",
    "budget_remaining": "<string>",
    "budget_used": "<string>",
    "voucher_key": "<string>",
    "expires_at": "2023-11-07T05:31:56Z",
    "created_at": "2023-11-07T05:31:56Z"
  },
  "refunded": "<string>",
  "settled": "<string>"
}