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GET
/
v1
/
sip
/
port
/
check
Check Number Portability
curl --request GET \
  --url https://api.bland.ai/v1/sip/port/check \
  --header 'authorization: <authorization>'
import requests

url = "https://api.bland.ai/v1/sip/port/check"

headers = {"authorization": "<authorization>"}

response = requests.get(url, headers=headers)

print(response.text)
const options = {method: 'GET', headers: {authorization: '<authorization>'}};

fetch('https://api.bland.ai/v1/sip/port/check', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));
<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.bland.ai/v1/sip/port/check",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "authorization: <authorization>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}
package main

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

func main() {

	url := "https://api.bland.ai/v1/sip/port/check"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("authorization", "<authorization>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}
HttpResponse<String> response = Unirest.get("https://api.bland.ai/v1/sip/port/check")
  .header("authorization", "<authorization>")
  .asString();
require 'uri'
require 'net/http'

url = URI("https://api.bland.ai/v1/sip/port/check")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["authorization"] = '<authorization>'

response = http.request(request)
puts response.read_body
{
  "data": {
    "results": [
      {
        "phone_number": "+14150000000",
        "portable": true,
        "number_type": "landline",
        "pin_required": false
      },
      {
        "phone_number": "+14150000001",
        "portable": true,
        "number_type": "mobile",
        "pin_required": true
      }
    ]
  },
  "errors": null
}

​
Headers

​
authorization
string
required
Your API key for authentication.

​
Query Parameters

​
phone_numbers
string[]
required
Array of phone numbers to check. Must be in E.164 format.

​
Response

​
results
array
Array of portability check results. Each includes:
  • phone_number (string) — The phone number checked
  • portable (boolean) — Whether the number can be ported
  • number_type (string) — Type of number: "mobile", "landline", "toll-free", etc.
  • pin_required (boolean) — Whether a PIN from the losing carrier is required
Example Request
curl -X GET 'https://api.bland.ai/v1/sip/port/check?phone_numbers[]=%2B14150000000&phone_numbers[]=%2B14150000001' \
  -H "Authorization: Bearer <token>"

{
  "data": {
    "results": [
      {
        "phone_number": "+14150000000",
        "portable": true,
        "number_type": "landline",
        "pin_required": false
      },
      {
        "phone_number": "+14150000001",
        "portable": true,
        "number_type": "mobile",
        "pin_required": true
      }
    ]
  },
  "errors": null
}
Docs for agents: llms.txt