Initiate Port Request
curl --request POST \
--url https://api.bland.ai/v1/sip/port/initiate \
--header 'Content-Type: application/json' \
--header 'authorization: <authorization>' \
--data '
{
"phone_numbers": [
{}
],
"losing_carrier_information": {},
"target_port_date": "<string>",
"documents": [
{}
],
"pin": "<string>"
}
'import requests
url = "https://api.bland.ai/v1/sip/port/initiate"
payload = {
"phone_numbers": [{}],
"losing_carrier_information": {},
"target_port_date": "<string>",
"documents": [{}],
"pin": "<string>"
}
headers = {
"authorization": "<authorization>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {authorization: '<authorization>', 'Content-Type': 'application/json'},
body: JSON.stringify({
phone_numbers: [{}],
losing_carrier_information: {},
target_port_date: '<string>',
documents: [{}],
pin: '<string>'
})
};
fetch('https://api.bland.ai/v1/sip/port/initiate', 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/initiate",
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([
'phone_numbers' => [
[
]
],
'losing_carrier_information' => [
],
'target_port_date' => '<string>',
'documents' => [
[
]
],
'pin' => '<string>'
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"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"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.bland.ai/v1/sip/port/initiate"
payload := strings.NewReader("{\n \"phone_numbers\": [\n {}\n ],\n \"losing_carrier_information\": {},\n \"target_port_date\": \"<string>\",\n \"documents\": [\n {}\n ],\n \"pin\": \"<string>\"\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("authorization", "<authorization>")
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.bland.ai/v1/sip/port/initiate")
.header("authorization", "<authorization>")
.header("Content-Type", "application/json")
.body("{\n \"phone_numbers\": [\n {}\n ],\n \"losing_carrier_information\": {},\n \"target_port_date\": \"<string>\",\n \"documents\": [\n {}\n ],\n \"pin\": \"<string>\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.bland.ai/v1/sip/port/initiate")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["authorization"] = '<authorization>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"phone_numbers\": [\n {}\n ],\n \"losing_carrier_information\": {},\n \"target_port_date\": \"<string>\",\n \"documents\": [\n {}\n ],\n \"pin\": \"<string>\"\n}"
response = http.request(request)
puts response.read_body{
"data": {
"port_request_id": "port_xyz789",
"status": "waiting_for_signature",
"signature_url": "https://sign.example.com/loa/port_xyz789",
"phone_numbers": ["+14150000000", "+14150000001"]
},
"errors": null
}
Number Porting
Initiate Port Request
Submit a number porting request to transfer phone numbers from another carrier to Bland.
POST
/
v1
/
sip
/
port
/
initiate
Initiate Port Request
curl --request POST \
--url https://api.bland.ai/v1/sip/port/initiate \
--header 'Content-Type: application/json' \
--header 'authorization: <authorization>' \
--data '
{
"phone_numbers": [
{}
],
"losing_carrier_information": {},
"target_port_date": "<string>",
"documents": [
{}
],
"pin": "<string>"
}
'import requests
url = "https://api.bland.ai/v1/sip/port/initiate"
payload = {
"phone_numbers": [{}],
"losing_carrier_information": {},
"target_port_date": "<string>",
"documents": [{}],
"pin": "<string>"
}
headers = {
"authorization": "<authorization>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {authorization: '<authorization>', 'Content-Type': 'application/json'},
body: JSON.stringify({
phone_numbers: [{}],
losing_carrier_information: {},
target_port_date: '<string>',
documents: [{}],
pin: '<string>'
})
};
fetch('https://api.bland.ai/v1/sip/port/initiate', 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/initiate",
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([
'phone_numbers' => [
[
]
],
'losing_carrier_information' => [
],
'target_port_date' => '<string>',
'documents' => [
[
]
],
'pin' => '<string>'
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"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"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.bland.ai/v1/sip/port/initiate"
payload := strings.NewReader("{\n \"phone_numbers\": [\n {}\n ],\n \"losing_carrier_information\": {},\n \"target_port_date\": \"<string>\",\n \"documents\": [\n {}\n ],\n \"pin\": \"<string>\"\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("authorization", "<authorization>")
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.bland.ai/v1/sip/port/initiate")
.header("authorization", "<authorization>")
.header("Content-Type", "application/json")
.body("{\n \"phone_numbers\": [\n {}\n ],\n \"losing_carrier_information\": {},\n \"target_port_date\": \"<string>\",\n \"documents\": [\n {}\n ],\n \"pin\": \"<string>\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.bland.ai/v1/sip/port/initiate")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["authorization"] = '<authorization>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"phone_numbers\": [\n {}\n ],\n \"losing_carrier_information\": {},\n \"target_port_date\": \"<string>\",\n \"documents\": [\n {}\n ],\n \"pin\": \"<string>\"\n}"
response = http.request(request)
puts response.read_body{
"data": {
"port_request_id": "port_xyz789",
"status": "waiting_for_signature",
"signature_url": "https://sign.example.com/loa/port_xyz789",
"phone_numbers": ["+14150000000", "+14150000001"]
},
"errors": null
}
Headers
string
required
Your API key for authentication.
Body
array
required
Array of phone numbers to port. Each must be in E.164 format. You should verify portability first using
GET /v1/sip/port/check.object
required
Information about the current carrier:
customer_type(string) —"business"or"personal"business_name(string) — Business name on the account (if business)first_name(string) — Account holder first namelast_name(string) — Account holder last nameaccount_number(string) — Account number with the losing carrierauthorized_representative_email(string) — Email for LOA signingnotification_emails(array) — Additional emails for status updatesaddress(object) — Service address:street,street2,city,state,zip,country
string
Requested port date in ISO 8601 format. Must be at least 7 days from today. If omitted, the earliest possible date is used.
array
Array of document SIDs returned from
POST /v1/sip/port/document.string
Account PIN from the losing carrier (required for some numbers — check via portability endpoint).
Response
string
Unique identifier for the port request.
string
Initial status:
"waiting_for_signature".string
URL for electronically signing the Letter of Authorization.
array
Array of phone numbers included in the port request.
GET /v1/sip/port or the SIP Dashboard.
Port status flow: waiting_for_signature → submitted → in_progress → completed
Example Request
curl -X POST https://api.bland.ai/v1/sip/port/initiate \
-H "Authorization: Bearer <token>" \
-H "Content-Type: application/json" \
-d '{
"phone_numbers": ["+14150000000", "+14150000001"],
"losing_carrier_information": {
"customer_type": "business",
"business_name": "Acme Corp",
"first_name": "Jane",
"last_name": "Doe",
"account_number": "ACC-12345",
"authorized_representative_email": "jane@acme.com",
"notification_emails": ["it@acme.com"],
"address": {
"street": "123 Main St",
"street2": "Suite 100",
"city": "San Francisco",
"state": "CA",
"zip": "94105",
"country": "US"
}
},
"target_port_date": "2026-03-20T00:00:00Z",
"documents": ["doc_abc123"]
}'
{
"data": {
"port_request_id": "port_xyz789",
"status": "waiting_for_signature",
"signature_url": "https://sign.example.com/loa/port_xyz789",
"phone_numbers": ["+14150000000", "+14150000001"]
},
"errors": null
}
Docs for agents: llms.txt
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