TrestleIQPeople DataEnrichment

Validate a phone number

trestleiq.people.phone.verify

Validate one phone number and return carrier, line type, prepaid status, and activity score

Price: $0.015/callAt provider cost
Success rate: 100%Last 30 days · 21,510 calls
Latency p50: 88 msp95 532 ms
Last verified: Sep 21, 2026Verified working

GEThttps://toolswitch.dev/v1/tools/trestleiq.people.phone.verify?phone=%2B13005550100&is_sandbox=truePreview

Uses platform quota
Synchronous response
Reads public data

Parameters

Numbering-plan validity and activity signals do not prove current ownership. The paid litigator_checks add-on is not exposed. Trestle returns a billable HTTP 200 Missing Input response when phone is absent, so treg requires it locally.

Parameter	Type	Required	Description	Example
Query parameters
`phone`	string	Required	E.164 or national format.	`+13005550103`
`phone.country_hint`	string	Optional	ISO-3166 alpha-2 context for a national-format number.	`US`

Query parameters
phonestringRequired
E.164 or national format.
Example: +13005550103
phone.country_hintstringOptional
ISO-3166 alpha-2 context for a national-format number.
Example: US

Code samples

Replace $TOOLSWITCH_KEY with the key you created in the console.

Preview

curl -X GET 'https://toolswitch.dev/v1/tools/trestleiq.people.phone.verify?phone=%2B13005550100&is_sandbox=true' \
  -H "X-Toolswitch-Key: $TOOLSWITCH_KEY"

import os
import requests

response = requests.request(
    "GET",
    "https://toolswitch.dev/v1/tools/trestleiq.people.phone.verify?phone=%2B13005550100&is_sandbox=true",
    headers={"X-Toolswitch-Key": os.environ["TOOLSWITCH_KEY"]},
)
response.raise_for_status()
print(response.text)

const response = await fetch("https://toolswitch.dev/v1/tools/trestleiq.people.phone.verify?phone=%2B13005550100&is_sandbox=true", {
  method: "GET",
  headers: {
    "X-Toolswitch-Key": process.env.TOOLSWITCH_KEY ?? "",
  },
});
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
console.log(await response.text());

This gateway API is in preview; its URL and authentication may change. The example parameters are sample data. Calls are billed at $0.015/call, including the service fee.