Send SMS to Estonia
from $0.0160/msg

smsroute delivers SMS to Estonia's 1.4 million mobile subscribers at $0.0160 per message — 46% cheaper than Twilio ($0.0296). Reach Telia Estonia (37%), Elisa Estonia (33%), and Vodafone Estonia (25%) in 185 ms median latency with 99% delivery success. no identity proof, no corporate registration, no SIM checkuments required at signup. Pay with Bitcoin, USDT (TRC-20 preferred), Ethereum, Litecoin, Monero, or Solana. Minimum top-up is $5. Start sending in minutes.

The GDPR Double Opt-In Rule Every Estonia Marketing Sender Gets Wrong

Estonia operates under GDPR and the Estonian ePrivacy Law, both enforced by the MKM (Ministry of Economic Affairs and Communications). The compliance gotcha that catches most international senders is the double opt-in requirement for marketing SMS. Many teams assume a single consent event (e.g., a checkbox at checkout) is sufficient. It is not. Estonia mandates explicit, documented consent at two separate moments: first, the user opts into SMS marketing; second, the user confirms that opt-in (typically via email or a confirmation SMS). Only after both confirmations may you send promotional messages.

This is stricter than many countries' soft opt-in rules, which allow transactional messages or service-critical notices without prior consent. Estonia enforces the hard opt-in boundary: transactional SMS (one-time passwords, delivery confirmations, account alerts) do not require marketing opt-in because they are service-necessary; marketing and promotional SMS do. Violating this distinction can trigger complaints to the MKM, which has published enforcement actions against major senders. The financial and reputational cost is high enough that international brands operating in Estonia treat double opt-in as non-negotiable.

Mobile Operators and Interconnect Coverage

Estonia's four major mobile operators interconnect with international A2P SMS gateways. Market share and characteristics are as follows:

Telia Estonia (37%) is the market leader and operates the most extensive network infrastructure. SMS delivery through Telia is reliable and fast; their interconnect protocols are modern and support real-time delivery status. No special registration beyond alphanumeric sender ID is required, though MKM registry verification is recommended.

Elisa Estonia (33%) holds the second-largest share and offers comparable network quality to Telia. A2P SMS throughput is stable; latency and delivery rates are consistent across both operators. Elisa subscribers account for roughly one-third of the mobile market, so omitting Elisa from a campaign significantly reduces reach.

Vodafone Estonia (25%) serves one-quarter of the mobile base. Despite its smaller share, Vodafone's network is modern and interconnects reliably. Delivery success is in line with Telia and Elisa; no operator-specific configuration is needed beyond standard E.164 formatting and sender ID registration.

Auve (5%) is a smaller operator but maintains full interconnect with international gateways. Coverage is primarily in urban and suburban areas; rural reach is secondary. For most use cases, focusing on the top three operators captures 95% of the market.

Mobile penetration in Estonia is 117%, meaning the subscriber base exceeds the population due to multiple SIM cards per user (business lines, data-only SIMs, legacy contracts). This is normal in developed European markets. For targeting, assume a one-to-one recipient-to-subscriber ratio when calculating campaign scale.

GDPR and Estonian ePrivacy Law: Consent Framework Detail

The MKM administers both GDPR (under EU law) and the Estonian Electronic Communications Act (Elektronse side seadus), which transposed the ePrivacy Directive into Estonian law. Both frameworks require prior consent for marketing SMS; there is no soft opt-in exception for unsolicited promotional messages. GDPR mandates that consent be freely given, specific, informed, and unambiguous; opt-out (pre-ticked consent boxes) is forbidden.

Double opt-in is the de facto standard because it provides documented proof of two consent events. A sender maintains a record of:

• First consent: user submits a form, signs up for a newsletter, or selects a checkbox.
• Confirmation: user receives a verification email or SMS and clicks a link or replies with a code.
• Second consent: after confirmation, user is added to the marketing list.

In practice, many EST senders use a single-step web form followed by a confirmation SMS; this satisfies the two-consent requirement so long as the initial form explicitly states that SMS opt-in is occurring and the confirmation message provides a clear unsubscribe link. Transactional SMS (OTP, password resets, shipment notifications) do not trigger the double opt-in rule because they are not marketing; they are service-necessary. The MKM has not published specific guidance on borderline cases (e.g., account closure alerts, promotional codes embedded in transactional messages), so conservative interpretation is advisable: if the message contains any promotional content, treat it as marketing and ensure double opt-in.

How to Send SMS to Estonia in 3 Steps

Step 1: Create your smsroute account. Go to smsroute.cc and sign up with an email address. no identity proof, no corporate registration, no SIM checkuments are required. Within seconds, you receive an API token and a list of available sender IDs (alphanumeric, up to 11 characters). You can use a generic sender ID (e.g., "MYAPP") or register a custom one; MKM registry is optional but recommended.

Step 2: Top up with cryptocurrency. Copy your account's deposit address and send Bitcoin, USDT (TRC-20 preferred), Ethereum, Litecoin, Monero, or Solana. Minimum top-up is $5 USD equivalent. Confirmations typically arrive within 1–3 blockchain blocks; your account balance updates in real time. No SEPA, no cards, no bank transfers are accepted.

Step 3: Send your first SMS. Use the API endpoint (or the web dashboard) to compose your message. Enter the recipient's phone number in E.164 format: +372 5x xx xxxx (where 5x is the mobile prefix). Include your sender ID (alphanumeric, 1–11 chars) and the message text (up to 160 characters for a single segment, or 153 per segment for concatenated SMS). Click Send. The API returns a message ID and delivery status; you can poll the status endpoint or set a webhook to receive real-time updates.

Code example: cURL (single SMS)

Code example: Python (batch send)

For full API documentation, including webhook callbacks, delivery status polling, and concatenated SMS handling, visit smsroute.cc/developers.

package main

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

func main() {
    payload, _ := json.Marshal(map[string]string{
        "to":   "+3725551234567",
        "from": "smsroute",
        "text": "Your verification code is 384921",
    })

    req, _ := http.NewRequest("POST",
        "https://api.smsroute.cc/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_token = "YOUR_API_TOKEN"
recipients = ["+372 5x xx xxxx", "+372 5x yy yyyy"]
sender_id = "MYAPP"
message_text = "Welcome to our service!"

for to in recipients:
    response = requests.post(
        "https://api.smsroute.cc/send",
        headers={
            "Authorization": f"Bearer {api_token}",
            "Content-Type": "application/json"
        },
        json={
            "to": to,
            "from": sender_id,
            "text": message_text
        }
    )
    result = response.json()
    print(f"Message to {to}: {result['status']}")

curl -X POST https://api.smsroute.cc/send \
  -H "Authorization: Bearer YOUR_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "to": "+372 5x xx xxxx",
    "from": "MYAPP",
    "text": "Your OTP is 123456"
  }'

import fetch from "node-fetch";

const apiKey = process.env.SMSROUTE_API_KEY;

const res = await fetch("https://api.smsroute.cc/messages", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${apiKey}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    to: "+3725551234567",
    from: "smsroute",
    text: "Your verification code is 384921",
  }),
});

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

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

$payload = json_encode([
    'to'   => '+3725551234567',
    'from' => 'smsroute',
    'text' => 'Your verification code is 384921',
], JSON_UNESCAPED_UNICODE);

$ch = curl_init('https://api.smsroute.cc/messages');
curl_setopt_array($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);