curl --request POST \
  --url https://api.example.com/lead-sessions \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "channel": "<string>",
  "channelId": "<string>",
  "callbackUrl": "<string>",
  "clientName": "<string>",
  "clientEmail": "<string>",
  "brief": "<string>",
  "discoveryData": {},
  "suggestedProposalType": "<string>",
  "language": "es",
  "providerChatId": "<string>"
}
'

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}