Assign a Default Number - DialNexa Documentation

POST

organization-phone-numbers

defaults

Assign a default phone number based on country code (V1 alias)

curl --request POST \
  --url https://api.dialnexa.com/organization-phone-numbers/defaults \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'x-organization-id: <x-organization-id>' \
  --data '
{
  "telephonyProviderId": "prov_123456789012",
  "countryCode": "US"
}
'

import requests

url = "https://api.dialnexa.com/organization-phone-numbers/defaults"

payload = {
    "telephonyProviderId": "prov_123456789012",
    "countryCode": "US"
}
headers = {
    "x-organization-id": "<x-organization-id>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'x-organization-id': '<x-organization-id>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({telephonyProviderId: 'prov_123456789012', countryCode: 'US'})
};

fetch('https://api.dialnexa.com/organization-phone-numbers/defaults', 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.dialnexa.com/organization-phone-numbers/defaults",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'telephonyProviderId' => 'prov_123456789012',
    'countryCode' => 'US'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "x-organization-id: <x-organization-id>"
  ],
]);

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

curl_close($curl);

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

package main

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

func main() {

	url := "https://api.dialnexa.com/organization-phone-numbers/defaults"

	payload := strings.NewReader("{\n  \"telephonyProviderId\": \"prov_123456789012\",\n  \"countryCode\": \"US\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("x-organization-id", "<x-organization-id>")
	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.dialnexa.com/organization-phone-numbers/defaults")
  .header("x-organization-id", "<x-organization-id>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"telephonyProviderId\": \"prov_123456789012\",\n  \"countryCode\": \"US\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.dialnexa.com/organization-phone-numbers/defaults")

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

request = Net::HTTP::Post.new(url)
request["x-organization-id"] = '<x-organization-id>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"telephonyProviderId\": \"prov_123456789012\",\n  \"countryCode\": \"US\"\n}"

response = http.request(request)
puts response.read_body

{
  "phoneNumber": "+1234567890",
  "message": "<string>",
  "organizationPhoneNumber": {
    "sip_trunk_enabled": false
  }
}

Legacy endpoint - deprecated. Unversioned endpoints are scheduled for removal on July 31, 2026. There is no public /v1 replacement documented for assigning a default number yet. Keep existing integrations on this endpoint until DialNexa publishes a replacement.

Assigns a default phone number for a country and telephony provider. Use this when your workspace should receive a provider-managed default number for a supported country.

Create a Phone Number Order: purchase a specific number.
List Phone Numbers: review provisioned numbers.

Authorizations

Authorization

string

header

required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Headers

x-organization-id

string

required

RSA encrypted organization ID (base64 format)

Example:

"BASE64_ENCRYPTED_ORG_ID_HERE"

Body

application/json

telephonyProviderId

string

required

ID of the telephony provider (14 character string)

Example:

"prov_123456789012"

countryCode

string

required

2-letter country code determining which default number to assign

Example:

"US"

Response

Default phone number assigned successfully.

phoneNumber

string

required

Phone number

Example:

"+1234567890"

status

enum<string>

required

Status of the phone number

Available options:

active,

pending

message

string

Status message

organizationPhoneNumber

object

Organization phone number record

Show child attributes

Link a SIP TrunkLink a bring-your-own phone number to SIP trunk credentials.

Assign a default phone number based on country code (V1 alias)

curl --request POST \
  --url https://api.dialnexa.com/organization-phone-numbers/defaults \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'x-organization-id: <x-organization-id>' \
  --data '
{
  "telephonyProviderId": "prov_123456789012",
  "countryCode": "US"
}
'

import requests

url = "https://api.dialnexa.com/organization-phone-numbers/defaults"

payload = {
    "telephonyProviderId": "prov_123456789012",
    "countryCode": "US"
}
headers = {
    "x-organization-id": "<x-organization-id>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'x-organization-id': '<x-organization-id>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({telephonyProviderId: 'prov_123456789012', countryCode: 'US'})
};

fetch('https://api.dialnexa.com/organization-phone-numbers/defaults', 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.dialnexa.com/organization-phone-numbers/defaults",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'telephonyProviderId' => 'prov_123456789012',
    'countryCode' => 'US'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "x-organization-id: <x-organization-id>"
  ],
]);

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

curl_close($curl);

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

package main

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

func main() {

	url := "https://api.dialnexa.com/organization-phone-numbers/defaults"

	payload := strings.NewReader("{\n  \"telephonyProviderId\": \"prov_123456789012\",\n  \"countryCode\": \"US\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("x-organization-id", "<x-organization-id>")
	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.dialnexa.com/organization-phone-numbers/defaults")
  .header("x-organization-id", "<x-organization-id>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"telephonyProviderId\": \"prov_123456789012\",\n  \"countryCode\": \"US\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.dialnexa.com/organization-phone-numbers/defaults")

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

request = Net::HTTP::Post.new(url)
request["x-organization-id"] = '<x-organization-id>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"telephonyProviderId\": \"prov_123456789012\",\n  \"countryCode\": \"US\"\n}"

response = http.request(request)
puts response.read_body

{
  "phoneNumber": "+1234567890",
  "message": "<string>",
  "organizationPhoneNumber": {
    "sip_trunk_enabled": false
  }
}

​Related endpoints

Authorizations

Headers

Body

Response

Related endpoints