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Twilio - Lookups

twilio · Company

Company No Auth Free & Open telecom messaging Sandbox

This is the public Twilio REST API.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET FetchPhoneNumber
https://api.apis.guru/v2/specs/twilio.com/twilio_lookups_v2/1.42.0/v2/PhoneNumbers/{PhoneNumber}?City=London&State=example&Fields=example&LastName=example&FirstName=example&NationalId=example&PostalCode=example&CountryCode=example&DateOfBirth=example&AddressLine1=example&AddressLine2=example&AddressCountryCode=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/twilio.com/twilio_lookups_v2/1.42.0/v2/PhoneNumbers/{PhoneNumber}?City=London&State=example&Fields=example&LastName=example&FirstName=example&NationalId=example&PostalCode=example&CountryCode=example&DateOfBirth=example&AddressLine1=example&AddressLine2=example&AddressCountryCode=example"
import requests
params = {
    "City": "London",
    "State": "example",
    "Fields": "example",
    "LastName": "example",
    "FirstName": "example",
    "NationalId": "example",
    "PostalCode": "example",
    "CountryCode": "example",
    "DateOfBirth": "example",
    "AddressLine1": "example",
    "AddressLine2": "example",
    "AddressCountryCode": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/twilio.com/twilio_lookups_v2/1.42.0/v2/PhoneNumbers/{PhoneNumber}",
    params=params,
)
print(response.json())
const url = new URL('https://api.apis.guru/v2/specs/twilio.com/twilio_lookups_v2/1.42.0/v2/PhoneNumbers/{PhoneNumber}');
url.searchParams.set('City', 'London');
url.searchParams.set('State', 'example');
url.searchParams.set('Fields', 'example');
url.searchParams.set('LastName', 'example');
url.searchParams.set('FirstName', 'example');
url.searchParams.set('NationalId', 'example');
url.searchParams.set('PostalCode', 'example');
url.searchParams.set('CountryCode', 'example');
url.searchParams.set('DateOfBirth', 'example');
url.searchParams.set('AddressLine1', 'example');
url.searchParams.set('AddressLine2', 'example');
url.searchParams.set('AddressCountryCode', 'example');

const response = await fetch(url); 
const data = await response.json();
console.log(data);
package main

import (
	"fmt"
	"io"
	"net/http"
	"net/url"
)

func main() {
	baseURL, _ := url.Parse("https://api.apis.guru/v2/specs/twilio.com/twilio_lookups_v2/1.42.0/v2/PhoneNumbers/{PhoneNumber}")
	q := baseURL.Query()
	q.Set("City", "London")
	q.Set("State", "example")
	q.Set("Fields", "example")
	q.Set("LastName", "example")
	q.Set("FirstName", "example")
	q.Set("NationalId", "example")
	q.Set("PostalCode", "example")
	q.Set("CountryCode", "example")
	q.Set("DateOfBirth", "example")
	q.Set("AddressLine1", "example")
	q.Set("AddressLine2", "example")
	q.Set("AddressCountryCode", "example")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}
require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/twilio.com/twilio_lookups_v2/1.42.0/v2/PhoneNumbers/{PhoneNumber}")
uri.query = URI.encode_www_form({
  "City" => "London",
  "State" => "example",
  "Fields" => "example",
  "LastName" => "example",
  "FirstName" => "example",
  "NationalId" => "example",
  "PostalCode" => "example",
  "CountryCode" => "example",
  "DateOfBirth" => "example",
  "AddressLine1" => "example",
  "AddressLine2" => "example",
  "AddressCountryCode" => "example"
})

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)
<?php
$url = "https://api.apis.guru/v2/specs/twilio.com/twilio_lookups_v2/1.42.0/v2/PhoneNumbers/{PhoneNumber}?" . http_build_query([
    "City" => "London",
    "State" => "example",
    "Fields" => "example",
    "LastName" => "example",
    "FirstName" => "example",
    "NationalId" => "example",
    "PostalCode" => "example",
    "CountryCode" => "example",
    "DateOfBirth" => "example",
    "AddressLine1" => "example",
    "AddressLine2" => "example",
    "AddressCountryCode" => "example"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

Postman Setup Guide

Get Postman ↗
  1. See official documentation for authentication and setup.

What can you build with Twilio - Lookups?

Twilio - Lookups is a Company API. Developers commonly use company APIs for:

  • enriching CRM records with company firmographics
  • building lead-generation and prospecting tools
  • verifying business identity and registration details
  • monitoring competitors and market intelligence
  • powering B2B data enrichment pipelines

No authentication required. This API is open — no signup or key needed. Ideal for quick prototypes and public-facing features. Twilio - Lookups is free to use, making it a low-risk choice to experiment with.

New to APIs? Read our beginner's guide

Open documentation ↗