is_disconnected tool checks in real-time if a phone number is disconnected or no longer in service. Use this to avoid wasting time calling invalid numbers.
When to Use
- Before making calls to verify the number is still active
- Cleaning up contact lists by removing dead numbers
- Reducing wasted dial attempts and improving connect rates
Parameters
string
required
10-digit North American phone number to check (e.g.,
"5039367187").string
API key. Only required if not provided via the
x-dncscrub-api-key HTTP header.Response
boolean
Whether the API call succeeded.
string
The phone number checked.
string
C- Connected (number is active)D- Disconnected (number is no longer in service)U- Unknown (unable to determine)
string
Human-readable explanation of the status.
boolean
true if the phone number is currently connected.boolean
true if the phone number is disconnected.string
Machine-readable error code (when failed).
string
Human-readable error description (when failed).
Examples
- Request
- Connected
- Disconnected
Usage Notes
- This is a real-time check, providing current status
- Disconnected numbers should be removed from your calling lists
- Consider checking periodically for numbers that haven’t been reached
- Reduces wasted dial attempts and improves campaign efficiency