curl --request POST \
  --url https://api.sol.com/v1/tools/{toolId}/execute \
  --header 'Content-Type: application/json' \
  --data '
{
  "params": {
    "from_email": "noreply@sol.com",
    "to_email": "tara@sol.com"
  },
  "values": {
    "subject": "Welcome to our service!"
  }
}
'

{
  "executionId": "exec-98765",
  "status": "completed"
}