Send SMS to Bulgaria
from $0.0100/msg

import requests

api_key = "YOUR_API_KEY"
endpoint = "https://api.smsroute.cc/send"

payload = {
    "recipient": "+359 87 123 4567",
    "message": "Здравейте! Вашият код е 1234.",
    "sender_id": "YourCompany",
    "tag": "transactional"
}

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

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

curl -X POST https://api.smsroute.cc/send \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "recipient": "+359 87 123 4567",
    "message": "Здравейте! Вашият код е 1234.",
    "sender_id": "YourCompany",
    "tag": "transactional"
  }'

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: "+3595551234567",
    from: "smsroute",
    text: "Your verification code is 384921",
  }),
});

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

package main

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

func main() {
    payload, _ := json.Marshal(map[string]string{
        "to":   "+3595551234567",
        "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))
}

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

$payload = json_encode([
    'to'   => '+3595551234567',
    '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);

Bulgarian Mobile Operators and Interconnect Coverage

Vodafone Bulgaria (38% market share): The largest operator by subscriber count, Vodafone Bulgaria operates nationwide GSM, 3G, and 4G/LTE infrastructure. Vodafone maintains settlement-based interconnects with international SMS aggregators and delivers via standard SS7 routing. No special registration or approvals needed beyond BRC sender ID registration.

A1 Bulgaria (32% market share): The second-largest operator, A1 Bulgaria (formerly Mtel and Vivatel, now part of the Telekom Austria Group) covers both urban and rural areas. A1 Bulgaria also uses direct or settlement-based interconnects with international gateways. Delivery latency is consistent with Vodafone, typically 200–400 ms.

Telenor Bulgaria (26% market share): A subsidiary of Telenor ASA (Norway), Telenor Bulgaria provides competitive 4G coverage and strong data services. Telenor maintains global SMS routing agreements and integrates well with third-party A2P platforms. No carrier-specific rate premiums.

BTV Mobile (4% market share): A smaller operator that leases network capacity from one of the three major carriers. BTV Mobile subscriber SMS is routed through the underlying operator, so delivery characteristics are similar to the host network.

smsroute.cc does not charge per-operator rates. All four operators are reached via a single blended rate of $0.0100 per SMS. Your message is handed off to the Bulgarian routing hub, which forwards it via SS7 to the destination operator based on the mobile number prefix (87, 88, or 89). Delivery success across all four operators combined is 98.4%.

GDPR and Bulgarian ePrivacy Law: Consent, Registration, and BRC Enforcement

Bulgaria is a European Union member and must comply with the General Data Protection Regulation (GDPR). Additionally, the Bulgarian ePrivacy Law (Law on Electronic Communications) adds nation-specific requirements for electronic communications. Both frameworks require explicit opt-in consent before sending any promotional or marketing SMS.

The Bulgarian Telecommunications Regulatory Commission (BRC, https://www.brc.bg/) administers and enforces these rules. The BRC maintains a registry of approved sender IDs and monitors operator networks for non-compliant traffic. Organizations sending SMS must register their sender ID (alphanumeric, up to 11 characters) with the BRC and provide proof of consent collection.

Soft opt-in is permitted for transactional messages only — for example, if a user purchases an item in your online store, you may send order confirmation, shipment, and delivery updates without a separate SMS consent step. However, any follow-up marketing ("Check out our new products!") requires explicit consent obtained outside the transaction.

The BRC has published enforcement actions against senders who violate these rules. Fines are typically in the five- to seven-figure range for repeat or large-scale violations. smsroute.cc does not require you to prove compliance at signup, but we strongly recommend:

• Maintain documented consent records (double opt-in is best practice).
• Register your sender ID with the BRC before beginning high-volume sends.
• Implement an unsubscribe mechanism and respect opt-out requests within 24 hours.
• Keep your consent audit trail in case of regulatory inquiry.

smsroute.cc's dashboard includes consent tagging so you can mark each message as transactional, promotional, or OTP-based. This metadata helps you track compliance and can be exported for regulatory review.

Pricing: Bulgaria SMS vs. Twilio, Vonage, MessageBird, Plivo, and Sinch

smsroute.cc is the lowest-cost option for Bulgaria SMS. At scale, the savings compound: sending 100,000 SMS per month to Bulgaria costs $1,000 with smsroute.cc versus $2,330 with Twilio — a difference of $1,330 per month or $15,960 per year.

All prices shown are list rates and do not account for volume discounts offered by some platforms. smsroute.cc does not currently offer tiered discounts, but maintains its $0.0100 rate across all volumes. Payment is per-message, with no minimum monthly commitment or setup fees. You pay only for SMS sent; unused balance never expires.

Delivery Latency and Success Rate

smsroute.cc maintains a median (p50) delivery latency of 225 milliseconds for SMS to Bulgarian numbers. The 95th-percentile (p95) latency is 375 milliseconds. These figures are measured from the moment the API request is received to the moment the SMS is handed off to the destination operator (Vodafone, A1, Telenor, or BTV). Actual delivery to the handset typically occurs within 1–5 seconds thereafter, depending on the recipient's network status and device state.

Delivery success rate is 98.4% across all four major Bulgarian operators. Failures are primarily due to invalid numbers (e.g., landline or closed account), network congestion during peak hours, or recipient-side filtering. smsroute.cc provides detailed delivery reports via webhook or API poll, including failure reason codes (invalid number, unroutable, delivery timeout, opt-out block, etc.).

smsroute.cc operates at 99.9% platform uptime and achieves 99% tier-1 operator delivery. If your message is accepted by the operator, it will reach the recipient unless the number is invalid or the user has explicitly opted out or blocked the sender.

Latency may vary slightly based on time of day, network load, and adherence to Bulgaria's quiet-hours rule. Quiet-hours messages are queued and held for delivery at 08:00 EET the next day; latency for these messages is not counted in the p50/p95 statistics, as they are scheduled deliveries, not real-time.

Frequently Asked Questions

Related Pages

Related

Related

Related

Related