curl --request PUT \
  --url https://api.eqho.ai/v1/leads/{lead_id} \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '{
  "first_name": "Jane",
  "last_name": "Smith",
  "email": "[email protected]",
  "phone": "+18015551831",
  "phone_extension": "<string>",
  "timezone": "<string>",
  "list_ids": [
    "<string>"
  ],
  "extracted_data": {},
  "custom_fields": {}
}'

{
  "created_at": "2021-08-25T00:00:00+00:00",
  "email": "[email protected]",
  "first_name": "Jane",
  "last_name": "Smith",
  "phone": "+18015551831",
  "phone_extension": "123"
}