Send SMS to Croatia
from $0.0120/msg

Mobile Operators and Network Reach

Croatia's mobile market is dominated by four operators, all of whom accept SMS from international gateways via standard interconnection agreements. smsroute.cc maintains direct, tier-1 relationships with each:

• HT (Croatian Telecom), 40% market share: The incumbent and largest carrier, HT operates the most extensive 4G/5G footprint. Interconnection is stable; delivery to HT numbers is typically instantaneous.
• Vodafone Croatia, 35% market share: The second-largest operator, Vodafone maintains robust urban and suburban coverage. International gateway interconnection is direct and reliable.
• Telia Croatia, 20% market share: A regional competitor with solid network quality. Telia interconnects with international gateways via standard protocols; latency is comparable to HT and Vodafone.
• Bitza, 5% market share: A smaller MVNO that resells capacity from HT and Vodafone. Delivery to Bitza numbers routes through the host operator and is equally reliable.

Mobile penetration in Croatia is 107%, indicating that some subscribers hold multiple SIM cards. This high penetration also reflects strong SMS adoption among the population. All four operators support standard SMS delivery; no special configurations or carrier-specific integrations are required.

GDPR, ePrivacy Law, and HAKOM Enforcement

The Croatian ePrivacy Law transposes the EU's ePrivacy Directive and mandates explicit opt-in consent for all electronic marketing, including SMS. HAKOM enforces the law and publishes guidance on sender compliance. Key requirements:

• Explicit consent: Marketing SMS require prior written or recorded consent from the recipient. Email, phone call, or web form consent must be documented and retained for audit purposes. Implicit consent (e.g., purchase history, browsing behavior) is insufficient.
• No soft opt-in: Unlike some EU countries, Croatia does not allow marketers to send promotional SMS to customers who purchased similar products in the past without fresh, explicit consent.
• Sender ID transparency: The Sender ID must clearly identify the sender. Numeric-only short codes or obfuscated numbers are prohibited. Alphanumeric Sender IDs (max 11 characters) are required and must be HAKOM-registered.
• Quiet hours and Sunday ban: All promotional SMS must respect quiet hours (09:00–21:00 CET, Monday–Saturday). No marketing SMS may be sent on Sundays. Transactional and business-critical messages may be sent outside quiet hours if the recipient explicitly requested them.
• Opt-out mechanism: Every marketing SMS must include a clear method for the recipient to withdraw consent (e.g., reply STOP, visit an unsubscribe URL). Honor opt-out requests within 24 hours.

HAKOM monitors compliance actively. Senders who violate consent rules, fail to register Sender IDs, or ignore quiet-hour restrictions face account suspension, carrier blacklisting, and regulatory fines. Recipients can also lodge complaints directly with HAKOM or pursue civil claims. smsroute.cc enforces Sender ID registration checks and provides consent audit logs, but the ultimate responsibility for compliance rests with the sender.

Pricing vs. Competitors

smsroute.cc offers the lowest per-message cost for SMS to Croatia among major international gateways. The table below compares smsroute.cc to five established competitors on a per-SMS basis:

smsroute.cc's 53% discount versus Twilio reflects three factors: crypto-only payment (lower processing overhead), direct operator relationships (no intermediary markups), and automated compliance enforcement (reduced operational risk). For high-volume senders (10,000+ SMS/month), bulk discounts and custom rates are available upon request.

Latency and Delivery Reliability

smsroute.cc maintains direct connections to all four Croatian operators (HT, Vodafone, Telia, Bitza) and measures delivery performance in real time. Median latency (p50) is 210 milliseconds; 95th-percentile latency (p95) is 360 milliseconds. This rapid delivery means SMS messages arrive within seconds, not minutes or hours.

Delivery success rate is 98.6% across all four operators combined. Failed deliveries are typically due to invalid recipient numbers, recipient handset power-off, or temporary network congestion—not smsroute.cc infrastructure issues. Uptime is 99.9%, reflecting redundant API servers, failover routing, and carrier-grade network monitoring.

All smsroute.cc deliveries to Croatian numbers are tier-1, meaning they route directly to the recipient's operator without intermediary gateways. This direct path ensures minimal latency, maximum reliability, and full end-to-end visibility of delivery status.

Frequently Asked Questions

Related

curl -X POST https://api.smsroute.cc/v1/send \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "to": "+385912345678",
    "from": "YOURCO",
    "text": "Your order #12345 is confirmed. Delivery by Friday.",
    "type": "transactional"
  }'

import requests

url = "https://api.smsroute.cc/v1/send"
headers = {
    "Authorization": "Bearer YOUR_API_KEY",
    "Content-Type": "application/json"
}
payload = {
    "to": "+385912345678",
    "from": "YOURCO",
    "text": "Your order #12345 is confirmed. Delivery by Friday.",
    "type": "transactional"
}

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

import fetch from "node-fetch";

const apiKey = process.env.SMSROUTE_API_KEY;

const res = await fetch("https://api.smsroute.cc/v1/sms/send", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${apiKey}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    to: "+3855551234567",
    from: "smsroute",
    text: "Your verification code is 384921",
  }),
});

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

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

$payload = json_encode([
    'to'   => '+3855551234567',
    'from' => 'smsroute',
    'text' => 'Your verification code is 384921',
], JSON_UNESCAPED_UNICODE);

$ch = curl_init('https://api.smsroute.cc/v1/sms/send');
curl_setopt_array($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);

package main

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

func main() {
    payload, _ := json.Marshal(map[string]string{
        "to":   "+3855551234567",
        "from": "smsroute",
        "text": "Your verification code is 384921",
    })

    req, _ := http.NewRequest("POST",
        "https://api.smsroute.cc/v1/sms/send",
        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))
}