curl --request POST \
  --url https://api.bland.ai/v1/calls \
  --header 'Content-Type: application/json' \
  --header 'authorization: ' \
  --data '{
  "phone_number": "+12223334455",
  "task": "A prompt up to 24k characters that instructs your phone agent what to do",
  "tools": [
    "A set of external APIs your phone agent can interact with during calls"
  ],
  "transfer_phone_number": "+16667778899",
  "voice_id": 123,
}'  
 "task": "A prompt up to 24k characters that instructs your phone agent what to do",
  "tools": [
    "A set of external APIs your phone agent can interact with during calls"
  ],
"transfer_phone_number": "+16667778899" } 
curl --request POST /