Send SMS to Vietnam
from $0.0100/msg

Reach Vietnam's 140 million mobile subscribers via Viettel, Vinaphone, MobiFone, and Vietnamobile at $0.0100 USD per message. smsroute provides direct carrier interconnect from our nearest Points of Presence, delivering SMS in 52 milliseconds (median) with 98.6% success to active numbers. no phone binding, no national ID upload, no company registryuments required at signup—fund your account with Bitcoin, USDT (TRC-20), Ethereum, Litecoin, Monero, or Solana, and begin sending immediately. Pricing is 60% lower than Twilio's equivalent Vietnam rate, with no per-API-call fees, no minimum monthly spend, and per-message billing.

Where Your SMS Enters Vietnam: smsroute POP → Tier-1 Carrier Interconnect → Handset

SMS to Vietnam begins at smsroute's regional Point of Presence, which maintains active interconnect agreements with Viettel (31% market share), Vinaphone (28%), MobiFone (24%), and Vietnamobile (17%). When you submit an SMS to a +84 mobile number, smsroute's routing engine selects the least-congested carrier path based on the recipient's number prefix (e.g., +84 91X X XXXX routes to Viettel; +84 94X X XXXX typically routes to Vinaphone) and forwards the message via SMPP or direct HTTP API to the carrier's SMSC (Short Message Service Center) in Ho Chi Minh City or Hanoi. The carrier's SMSC then routes the SMS through its internal network to the destination cell tower and handset.

Typical latency budget from API submission to SMSC delivery averages 52 milliseconds (p50) and 105 milliseconds at the 95th percentile. International routing from smsroute's infrastructure adds 30–100 ms depending on originating geography. Once delivered to the SMSC, the carrier's network delivers the message to the handset within 1–5 seconds under normal conditions. Delivery success (defined as successful acceptance by the carrier SMSC) averages 98.6% to valid, active numbers; undeliverable numbers are reported asynchronously via webhook or SMPP delivery receipt.

Vietnam's mobile network operates on GSM, 3G, 4G, and 5G standards across all four tier-1 operators. Geographic coverage is near-universal in urban areas (Hanoi, Ho Chi Minh City, Da Nang, Can Tho) and strong in secondary cities and rural regions. smsroute's interconnect ensures carrier-native routing, avoiding international gateways that would add latency and reduce delivery reliability.

Mobile Operators: Market Share and Interconnect Reach

Viettel (31%): Vietnam's largest state-owned carrier by subscriber count, with particularly strong coverage in rural and northern regions. Viettel numbers typically begin with +84 91, +84 92, or +84 93. Direct SMPP interconnect available; smsroute achieves 52 ms median latency to Viettel numbers.

Vinaphone (28%): Second-largest state-owned incumbent, dominant in southern and central regions. Vinaphone numbers typically begin with +84 94, +84 96, +84 97, or +84 98. Direct interconnect available; latency benchmarks align with Viettel.

MobiFone (24%): Third state-owned operator, with strong presence in Ho Chi Minh City and surrounding provinces. MobiFone numbers typically begin with +84 90, +84 93 (shared), or +84 99. Direct SMPP available; delivery success and latency consistent with tier-1 standards.

Vietnamobile (17%): Smallest tier-1 operator, focusing on urban and semi-urban markets. Vietnamobile numbers typically begin with +84 95. Direct interconnect available; latency and delivery success equivalent to larger carriers.

smsroute maintains active, redundant interconnect agreements with all four operators. If one carrier's primary route becomes congested or unavailable, smsroute's routing logic can failover to a secondary path (e.g., via a regional gateway) without user intervention, though primary direct routes are preferred.

How to Send SMS to Vietnam in Three Steps

Step 1: Create a free account. Visit smsroute.cc, enter an email address, choose a password, and confirm. No phone verification, ID scan, or corporate documentation is required. Your account is active immediately.

Step 2: Top up your balance with crypto. Navigate to your account's Billing or Top-Up section and select your payment method: Bitcoin, USDT (TRC-20 preferred), Ethereum, Litecoin, Monero, or Solana. A minimum deposit of $5 USD equivalent is required. After you send the cryptocurrency to the provided address, your balance updates within 1–3 blocks. No cards, SEPA transfers, or bank wires are accepted.

Step 3: Send SMS via API or dashboard. Format your recipient numbers in E.164 format (e.g., +84 9XX XXXXX for mobile, +84 24 XXXX XXXX for Hanoi landlines). You can submit messages via the REST API, SMPP connection, or the web dashboard. Messages are routed to the appropriate carrier, delivered within 52 ms (median) to valid numbers, and you receive delivery receipts asynchronously.

REST API example (curl):

Python example:

Both examples show how to send a transactional SMS. For marketing messages, set "type": "marketing" and ensure the recipient has opted in. Delivery receipts are posted to your webhook URL in real time or can be polled via the API.

package main

import (
    "bytes"
    "encoding/json"
    "fmt"
    "io"
    "net/http"
    "os"
)

func main() {
    payload, _ := json.Marshal(map[string]string{
        "to":   "+845551234567",
        "from": "smsroute",
        "text": "Your verification code is 384921",
    })

    req, _ := http.NewRequest("POST",
        "https://api.smsroute.cc/v1/messages",
        bytes.NewBuffer(payload))
    req.Header.Set("Authorization", "Bearer "+os.Getenv("SMSROUTE_API_KEY"))
    req.Header.Set("Content-Type", "application/json")

    resp, err := http.DefaultClient.Do(req)
    if err != nil { panic(err) }
    defer resp.Body.Close()

    body, _ := io.ReadAll(resp.Body)
    fmt.Println(string(body))
}

import requests

api_key = "YOUR_API_KEY"
headers = {
    "Authorization": f"Bearer {api_key}",
    "Content-Type": "application/json"
}

payload = {
    "to": "+84912345678",
    "body": "Your OTP is 123456.",
    "sender_id": "MYAPP",
    "type": "transactional"
}

response = requests.post(
    "https://api.smsroute.cc/v1/sms",
    json=payload,
    headers=headers
)

print(response.json())

curl -X POST https://api.smsroute.cc/v1/sms \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "to": "+84912345678",
    "body": "Your OTP is 123456.",
    "sender_id": "MYAPP",
    "type": "transactional"
  }'

import fetch from "node-fetch";

const apiKey = process.env.SMSROUTE_API_KEY;

const res = await fetch("https://api.smsroute.cc/v1/messages", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${apiKey}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    to: "+845551234567",
    from: "smsroute",
    text: "Your verification code is 384921",
  }),
});

console.log(await res.json());

<?php
$apiKey = getenv('SMSROUTE_API_KEY');

$payload = json_encode([
    'to'   => '+845551234567',
    'from' => 'smsroute',
    'text' => 'Your verification code is 384921',
], JSON_UNESCAPED_UNICODE);

$ch = curl_init('https://api.smsroute.cc/v1/messages');
curl_setopt_array($ch, [
    CURLOPT_POST => true,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => [
        'Authorization: Bearer ' . $apiKey,
        'Content-Type: application/json',
    ],
    CURLOPT_POSTFIELDS => $payload,
]);

echo curl_exec($ch);
curl_close($ch);