Is a phone number VoIP or a real carrier line? Line type, score and grade, free, no auth.
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Tells you whether a phone number is VoIP or a real carrier line, with a 0 to 100 score and letter grade, using Twilio Lookup line type intelligence. Use it before relying on a number for SMS or OTP verification. US numbers can be 10 digits; any other country needs + and the country code.
Phone number, for example +15551234567
Tells you whether a phone number is VoIP or a real carrier line, with a 0 to 100 score and letter grade, using Twilio Lookup line type intelligence. Use it before relying on a number for SMS or OTP verification. US numbers can be 10 digits; any other country needs + and the country code.
| Argument | Type | Description |
|---|
| number* | string | Phone number, for example +15551234567 |
{
"type": "object",
"required": [
"number"
],
"properties": {
"number": {
"type": "string",
"description": "Phone number, for example +15551234567"
}
}
}Returns the numberRank directory: AI agent phone providers and personal agents graded by whether their published and provisioned numbers read as real carrier lines or VoIP. Numbers are masked.
No arguments.
{
"type": "object",
"properties": {},
"additionalProperties": false
}