sms compliance
sms compliance
How to Send SMS to Venezuela: Movistar, Digitel & Movilnet Guide (2025)
Complete guide to sending SMS in Venezuela. Learn API integration for Twilio, Sinch, Plivo & MessageBird, CONATEL compliance, sender ID requirements, and best practices for Movistar, Digitel, and Movilnet networks.
Venezuela SMS Best Practices, Compliance, and Features
Venezuela SMS Market Overview
| Locale name: | Venezuela |
|---|---|
| ISO code: | VE |
| Region | South America |
| Mobile country code (MCC) | 734 |
| Dialing Code | +58 |
Market Conditions: Three major operators dominate Venezuela's mobile market: Movistar, Digitel, and Movilnet. While SMS remains essential for business and authentication, messaging apps like WhatsApp and Telegram have gained significant popularity due to economic conditions and internet accessibility. Android devices dominate due to affordability and wider availability compared to iOS devices.
Infrastructure and Reliability Context: Expect potential delivery delays, network outages, and infrastructure reliability issues when implementing SMS services in Venezuela. The country is undergoing a major network transition, with 2G services phasing out by the end of 2025 – Digitel and Movistar have already shut down their 2G networks, leaving state-backed Movilnet as the sole remaining 2G provider. This transition impacts traditional SMS delivery methods as networks shift to 4G and emerging 5G technologies.
As of January 2025, the operator landscape shows: Movistar holding approximately 54% market share with over 7 million customers, state-owned Movilnet maintaining nearly 40% market share, and Digitel with approximately 15% market share and 3 million subscribers. Following Venezuela's first spectrum auction in a decade (January 2025), Digitel acquired 3.5 GHz band spectrum for $86 million to expand 5G FWA services, while Movistar obtained 2.5 GHz band spectrum for $37 million to deepen 4G LTE coverage. These investments signal ongoing network modernization – prepare for continued infrastructure changes affecting your SMS services.
SMS Capabilities and Features in Venezuela
Venezuela offers basic SMS functionality with limitations on advanced features and specific restrictions on sender IDs and message delivery.
Note on Network Transition Impact: The ongoing 2G network shutdown (completion by end-2025) directly affects SMS capabilities, particularly for concatenated messages and routing. As operators transition to 4G/5G-only networks, SMS delivery increasingly relies on IP-based messaging protocols (SMS over IMS). Test SMS delivery across all carriers during this transition period and monitor delivery success rates closely, as legacy SMS features may behave differently on newer network technologies.
Two-way SMS Support
Venezuela networks do not support two-way SMS. You cannot receive replies to your SMS messages through standard SMS channels.
Alternative solutions for two-way communication:
- Use WhatsApp Business API for interactive messaging
- Implement web-based reply forms with unique message IDs
- Provide a dedicated phone number for voice responses
- Set up email reply channels for non-urgent communications
Concatenated Messages (Segmented SMS)
Support: Venezuela networks do not support concatenated messaging.
Message length rules:
- GSM-7 encoding: 160 characters maximum
- UCS-2 encoding: 70 characters maximum
What happens when you exceed limits: Messages exceeding character limits will be truncated without warning. Characters beyond the limit will not be delivered. Always validate message length before sending.
Encoding considerations: Only Movilnet supports UCS-2 encoding, while GSM-7 works across all networks. Movistar may replace or flatten UCS-2 characters in your messages.
Character counting examples:
// GSM-7 example: "Hello! Your verification code is 123456. Valid for 10 minutes."
// Length: 65 characters ✓ Fits in 160-char limit
// UCS-2 example with emojis: "¡Hola! Tu código es 🔐 123456"
// Length: 30 characters ✓ Fits in 70-char limit
// Too long for Venezuela: "This message contains important information about..."
// If exceeds 160 chars → truncated, remainder lostBest practice: Keep messages under 150 characters to account for carrier modifications and special character handling.
MMS Support
Networks automatically convert MMS messages to SMS with an embedded URL link. Host multimedia content separately and share it via a link within your SMS message body.
URL hosting requirements:
- Use HTTPS for security
- Keep URLs under 50 characters (use branded short domains, not generic shorteners)
- Host files on reliable CDN with high uptime
- Set appropriate CORS headers for mobile browser access
- Test URL accessibility from Venezuelan IP addresses
- Consider bandwidth limitations – optimize image sizes
Conversion example:
Your MMS: [Image attachment] + "Check out our new product!"
Delivered as: "Check out our new product! View image: https://yourbrand.co/img/abc123"
Recipient Phone Number Compatibility
Number Portability
Venezuela does not offer number portability. Mobile numbers remain tied to their original carrier, which affects your message routing and delivery strategies.
Sending SMS to Landlines
You cannot send SMS to landline numbers in Venezuela. Attempts to message landline numbers will result in a 400 response error (code 21614), and these messages will not appear in logs or incur charges.
How to detect landline vs mobile numbers: Venezuelan mobile numbers follow these patterns:
- Mobile prefixes: 412, 414, 416, 424, 426 (followed by 7 digits)
- Landline prefixes: 212 (Caracas), 241, 243, 251, 261, 271, 281, 291 (and others)
function isVenezuelanMobile(number: string): boolean {
// Remove +58 country code if present
const normalized = number.replace(/^\+58/, '');
// Check for valid mobile prefixes
const mobilePrefixes = ['412', '414', '416', '424', '426'];
return mobilePrefixes.some(prefix => normalized.startsWith(prefix));
}Venezuela SMS Compliance and Regulatory Requirements
CONATEL (Comisión Nacional de Telecomunicaciones) regulates Venezuela's telecommunications sector. While specific SMS marketing regulations are still evolving, adhere to general consumer protection laws and telecommunications guidelines.
Current regulations (as of January 2025):
- Consumer protection laws enforced by INDEPABIS require transparent service terms
- Telecommunications providers must be CONATEL-authorized
- Unsolicited commercial messages must include opt-out mechanisms
- Personal data protection follows general privacy principles (no comprehensive data protection law exists)
Penalties for non-compliance:
- INDEPABIS fines range from 50 to 10,000 tax units (approximately $1,000 to $200,000 USD equivalent)
- CONATEL can suspend operator authorizations
- Repeat violations may result in service termination
- Consumer complaints can trigger regulatory investigations
Regulatory Authority: CONATEL oversees all telecommunications services and requires operators to be properly authorized. In September 2025, President Nicolás Maduro approved the National Plan for Telecommunications 2025-2031, signaling continued regulatory focus on telecommunications sector development. CONATEL emphasizes consumer protection and advises users to verify that any telecommunications service provider is properly authorized before contracting services. For SMS services, ensure you work with CONATEL-authorized operators and maintain compliance with consumer protection standards enforced by INDEPABIS (Instituto para la Defensa de las Personas en el Acceso a los Bienes y Servicios).
Consent and Opt-In
Explicit Consent Requirements:
- Obtain written or electronic consent before sending marketing messages
- Maintain detailed records of how and when you obtained consent
- Provide clear disclosure of message frequency and purpose during opt-in
- Use double opt-in for marketing campaigns (recommended)
HELP/STOP and Other Commands
Support standard HELP and STOP commands in all SMS campaigns.
Recognize commands in both Spanish and English:
- Stop commands: STOP, PARA, CANCELAR
- Help commands: AYUDA, HELP
Send response messages in Spanish (Venezuela's primary language).
Example HELP response:
"Recibe ofertas de [YourBrand]. Envía PARA para cancelar. Envía AYUDA para más info. Frecuencia: 2-3 mensajes/semana. Tarifas estándar aplican. Ayuda: +58-XXX-XXXX"
Example STOP confirmation:
"Has cancelado mensajes de [YourBrand]. No recibirás más SMS. Para reactivar, visita [URL] o llama +58-XXX-XXXX"
Implementation logic:
function handleInboundCommand(message: string): string {
const normalized = message.trim().toUpperCase();
const stopKeywords = ['STOP', 'PARA', 'CANCELAR', 'BAJA'];
const helpKeywords = ['HELP', 'AYUDA', 'INFO'];
if (stopKeywords.includes(normalized)) {
// Process opt-out in database
return "Has cancelado mensajes de [YourBrand]. No recibirás más SMS.";
}
if (helpKeywords.includes(normalized)) {
return "Recibe ofertas de [YourBrand]. Envía PARA para cancelar. Frecuencia: 2-3/semana.";
}
return "Comando no reconocido. Envía AYUDA para información o PARA para cancelar.";
}Do Not Call / Do Not Disturb Registries
Venezuela does not maintain a centralized Do Not Call registry. However, you should:
- Maintain your own suppression lists
- Honor opt-out requests within 24 hours
- Keep records of opted-out numbers for at least 2 years
- Regularly clean contact lists to remove inactive or opted-out numbers
Time Zone Sensitivity
Venezuela operates in the VET timezone (UTC-4). Follow these best practices:
- Send messages between 8:00 AM and 8:00 PM local time
- Avoid messages during national holidays
- Only send urgent messages (like security alerts) outside these hours
Venezuelan national holidays to avoid:
- January 1 (New Year's Day)
- Carnival (Monday & Tuesday before Ash Wednesday)
- March/April (Holy Thursday, Good Friday, Easter)
- April 19 (Independence Declaration Day)
- May 1 (Labor Day)
- June 24 (Battle of Carabobo)
- July 5 (Independence Day)
- July 24 (Simón Bolívar's Birthday)
- October 12 (Indigenous Resistance Day)
- December 24-25 (Christmas Eve & Day)
- December 31 (New Year's Eve)
Timezone conversion example:
import { DateTime } from 'luxon';
function isValidSendTime(scheduledTime: Date): boolean {
const vetTime = DateTime.fromJSDate(scheduledTime)
.setZone('America/Caracas'); // UTC-4
const hour = vetTime.hour;
const isWeekday = vetTime.weekday <= 5;
// Check if between 8 AM and 8 PM
const isBusinessHours = hour >= 8 && hour < 20;
// Add holiday check (implement holiday list)
const isHoliday = checkVenezuelanHoliday(vetTime);
return isBusinessHours && !isHoliday;
}Sender ID Options and Phone Number Types for Venezuela SMS
Alphanumeric Sender ID
Operator network capability: Supported with restrictions Registration requirements: Pre-register for Digitel network (takes 21 days) Sender ID preservation: Only Digitel preserves pre-registered IDs; other networks overwrite with random numeric codes
Digitel alphanumeric sender ID registration process:
- Contact Digitel enterprise sales at empresas@digitel.com.ve
- Provide business registration documents (RIF, commercial registry)
- Submit sender ID request (up to 11 alphanumeric characters)
- Pay registration fee (approximately $200-500 USD, varies by contract)
- Wait 21 business days for approval and activation
- Receive confirmation and test credentials
Random code format for other networks: Movistar and Movilnet replace sender IDs with 4-6 digit numeric codes (e.g., "5812", "412345") that change per message. Recipients cannot identify the sender from these codes.
Long Codes
Domestic vs. International:
- Venezuela does not support domestic long codes
- International long codes work but have limitations
Specific limitations of international long codes:
- Sender ID not preserved (replaced with random numbers)
- Higher per-message costs (30-50% more than domestic)
- Potentially slower delivery due to international routing
- May trigger spam filters more frequently
- No inbound SMS capability from Venezuelan numbers
Sender ID preservation: Networks do not preserve original sender IDs Provisioning time: N/A Use cases: Transactional messages and notifications
Short Codes
Support: All three operators (Movistar, Digitel, Movilnet) support short codes
How to obtain short codes in Venezuela:
- Apply directly through each carrier's enterprise division
- Submit business documentation and use case description
- Undergo carrier compliance review (2-4 weeks)
- Sign service agreement and pay setup fees
- Configure routing and test delivery
Provisioning time: 8-12 weeks on average (carrier-dependent)
Approximate costs:
- Setup fee: $1,000-3,000 USD per carrier
- Monthly lease: $500-1,500 USD per carrier
- Per-message rates: negotiated (typically 20-40% lower than long code pricing)
Use cases:
- Marketing campaigns
- Two-factor authentication
- Customer service
- High-volume transactional messages
Restricted Content and Industries for Venezuela SMS
Restricted Industries:
- Gambling and betting services
- Adult content
- Cryptocurrency promotions
- Unauthorized financial services
Regulated Industries:
- Banking requires additional verification
- Healthcare messages must comply with privacy laws
- Political messaging has specific restrictions
Banking additional verification requirements:
- Pre-register message templates with carrier compliance teams
- Include bank license numbers in registration
- Use only approved sender IDs (bank name or official short code)
- Implement message content review process
- Maintain audit logs for regulatory inspection
Healthcare privacy law compliance:
- Do not include specific diagnoses or treatment details in SMS
- Use patient identifiers (name, ID number) sparingly
- Require explicit consent for appointment reminders
- Store consent records for minimum 3 years
- Implement secure message queuing and transmission
Political messaging restrictions:
- Prohibited during electoral blackout periods (48 hours before voting)
- Must identify sponsoring political party or candidate
- Cannot make false claims about opponents
- Subject to CONATEL content monitoring
- Requires explicit opt-in (no purchased contact lists)
Content Filtering
Known Carrier Rules:
- Carriers may filter or block URLs (especially during high-fraud periods)
- Special characters may cause delivery issues
- Networks screen message content for prohibited terms
Carrier filtering conditions:
- URLs from known spam domains trigger automatic blocking
- Messages with multiple URLs (3+) face higher rejection rates
- Content matching fraud patterns (e.g., "urgent", "verify account", "click now") undergoes additional screening
- High-volume campaigns from new sender IDs receive enhanced scrutiny
Special characters that cause issues:
- Unicode emojis (except on Movilnet with UCS-2)
- Curly quotes (" ") – use straight quotes (" ")
- Em dashes (—) – use hyphens (-)
- Trademark symbols (™, ®)
- Currency symbols other than $ and €
Prohibited terms examples (commonly blocked):
- "gratis" + "premio" (free prize combinations)
- "urgente" + "verificar cuenta" (urgent account verification)
- "gana dinero fácil" (easy money)
- Explicit sexual content
- Drug-related terms
- "haz clic aquí" + shortened URL (click here + short link)
Best Practices:
- Use full domain URLs instead of shorteners (e.g., yourbrand.com/offer vs bit.ly/xyz)
- Use plain text without special formatting characters
- Keep messages clear and professional
- Test messages with carrier compliance teams before large campaigns
Best Practices for Sending SMS in Venezuela
Infrastructure Resilience and Monitoring
Venezuela's telecommunications infrastructure faces challenges and ongoing network transitions. Implement robust monitoring and contingency strategies:
- Multi-carrier redundancy: Use multiple SMS providers or carrier routes to maintain service continuity during outages
- Delivery rate monitoring: Track delivery success rates by carrier and region; infrastructure reliability varies significantly by geographic area
- Retry logic with exponential backoff: Implement smart retry mechanisms for failed messages, accounting for temporary network issues
- Alternative communication channels: Maintain backup communication methods (email, WhatsApp Business API) for critical messages
- Real-time status monitoring: Subscribe to carrier status updates and monitor network performance during peak periods
- Geographic delivery testing: Test SMS delivery across different Venezuelan regions, as infrastructure quality varies between urban and rural areas
Specific metrics and monitoring thresholds:
| Metric | Warning Threshold | Critical Threshold | Action |
|---|---|---|---|
| Delivery rate | < 85% | < 70% | Switch to backup carrier |
| Average delivery time | > 30 seconds | > 2 minutes | Investigate routing issues |
| Error rate | > 5% | > 15% | Pause campaign, check carrier status |
| Queue depth | > 1,000 messages | > 5,000 messages | Scale processing capacity |
| Carrier-specific failure | > 20% for one carrier | > 40% for one carrier | Reroute through alternate carrier |
interface MonitoringMetrics {
deliveryRate: number;
avgDeliveryTimeMs: number;
errorRate: number;
queueDepth: number;
}
function evaluateHealthStatus(metrics: MonitoringMetrics): string {
if (metrics.deliveryRate < 0.70 || metrics.errorRate > 0.15) {
return 'CRITICAL';
}
if (metrics.deliveryRate < 0.85 || metrics.errorRate > 0.05) {
return 'WARNING';
}
return 'HEALTHY';
}Messaging Strategy
- Keep your messages under 160 characters
- Include clear calls-to-action
- Personalize messages with your recipient's name
- Avoid excessive punctuation and all caps
Sending Frequency and Timing
- Limit messages to 2–3 per week per recipient
- Respect local holidays and weekends
- Space out messages to prevent recipient fatigue
- Monitor engagement rates to optimize your timing
Localization
Write in Spanish as your primary language. Use formal Spanish ("usted" instead of "tú") for business communications. Use informal "tú" only for youth-oriented brands or after establishing relationship through prior interactions.
Venezuelan regional vocabulary differences:
- "Chamo/a" (young person) – informal, widely understood
- "Pana" (friend) – casual contexts only
- "Real" instead of "verdad" (true/real)
- "¿Cómo estás?" more common than "¿Qué tal?"
- Use "celular" not "móvil" for mobile phone
- "Mensaje de texto" not "SMS" in customer-facing copy
Include translations for essential commands:
- STOP = PARA
- HELP = AYUDA
- YES = SÍ
- NO = NO
Opt-Out Management
Process opt-outs within 24 hours. Confirm opt-out with one final message. Maintain updated suppression lists. Regularly audit your opt-out processes.
Example opt-out confirmation message in Spanish:
"Confirmado: Ya no recibirás mensajes de [YourBrand]. Lamentamos verte ir. Para preguntas, llama al +58-XXX-XXXX o visita [URL]."
Testing and Monitoring
- Test across all major carriers (Movistar, Digitel, Movilnet)
- Monitor delivery rates by carrier
- Track engagement metrics
- Test opt-out functionality regularly
- 2G Shutdown Testing: With 2G networks shutting down by end-2025, prioritize testing on 4G/5G-capable devices and networks. Movilnet remains the sole 2G provider during the transition
- Network Technology Verification: Test SMS delivery on both legacy (2G/3G) and modern (4G/5G) network technologies to identify compatibility issues
- IMS-based SMS Testing: Verify SMS over IMS (IP Multimedia Subsystem) functionality as networks transition away from circuit-switched SMS
How to Send SMS to Venezuela: API Integration with Twilio, Sinch, MessageBird & Plivo
Twilio SMS API for Venezuela
Twilio provides a robust SMS API with comprehensive Venezuela support. Authenticate using your account SID and auth token.
Venezuela-specific pricing (as of January 2025):
- Movistar: $0.045-0.055 per message
- Digitel: $0.050-0.060 per message
- Movilnet: $0.055-0.065 per message
- Prices vary based on volume commitments
Common Venezuela-specific error codes:
21408: Permission denied – check account permissions for Venezuela21614: Invalid landline number21211: Invalid 'to' phone number30007: Message filtered by carrier30008: Unknown destination carrier
import { Twilio } from 'twilio';
// Initialize Twilio client
const client = new Twilio(
'YOUR_ACCOUNT_SID',
'YOUR_AUTH_TOKEN'
);
// Function to send SMS to Venezuela
async function sendSMSToVenezuela(
to: string,
message: string
): Promise<void> {
try {
// Ensure number is in E.164 format for Venezuela (+58)
const formattedNumber = to.startsWith('+58') ? to : `+58${to}`;
const response = await client.messages.create({
body: message,
to: formattedNumber,
// Sender ID will be replaced by local number
from: 'YOUR_TWILIO_NUMBER'
});
console.log(`Message sent successfully: ${response.sid}`);
} catch (error) {
console.error('Error sending message:', error);
// Handle Venezuela-specific errors
if (error.code === 21614) {
console.error('Cannot send to landline numbers');
} else if (error.code === 30007) {
console.error('Message filtered by carrier - check content');
}
}
}Sinch SMS API for Venezuela
Sinch offers direct carrier connections in Venezuela with reliable delivery rates.
import { SinchClient } from '@sinch/sdk-core';
// Initialize Sinch client
const sinchClient = new SinchClient({
projectId: 'YOUR_PROJECT_ID',
apiToken: 'YOUR_API_TOKEN'
});
// Function to send SMS via Sinch
async function sendSinchSMS(
phoneNumber: string,
messageText: string
): Promise<void> {
try {
const response = await sinchClient.sms.batches.send({
sendSMSRequestBody: {
to: [phoneNumber],
message: messageText,
// Delivery report callback URL optional
deliveryReport: 'none'
}
});
console.log('Message sent:', response.id);
} catch (error) {
console.error('Sinch SMS Error:', error);
}
}MessageBird SMS API for Venezuela
MessageBird provides reliable SMS delivery with detailed delivery reporting.
import { MessageBird } from 'messagebird';
// Initialize MessageBird client
const messagebird = new MessageBird('YOUR_ACCESS_KEY');
// Function to send SMS via MessageBird
function sendMessageBirdSMS(
recipient: string,
content: string
): void {
const params = {
originator: 'YOUR_SENDER_ID',
recipients: [recipient],
body: content,
// Enable delivery status updates
reportUrl: 'YOUR_WEBHOOK_URL'
};
messagebird.messages.create(params, (err, response) => {
if (err) {
console.error('MessageBird Error:', err);
return;
}
console.log('Message sent:', response.id);
});
}Plivo SMS API for Venezuela
Plivo offers competitive rates and good coverage in Venezuela.
import { Client } from 'plivo';
// Initialize Plivo client
const client = new Client(
'YOUR_AUTH_ID',
'YOUR_AUTH_TOKEN'
);
// Function to send SMS via Plivo
async function sendPlivoSMS(
destination: string,
text: string
): Promise<void> {
try {
const response = await client.messages.create({
src: 'YOUR_PLIVO_NUMBER', // Will be replaced locally
dst: destination,
text: text,
// Optional URL callback
url: 'YOUR_CALLBACK_URL'
});
console.log('Message sent:', response.messageUuid[0]);
} catch (error) {
console.error('Plivo Error:', error);
}
}API Rate Limits and Throughput
- Twilio: 250 messages per second
- Sinch: 30 messages per second
- MessageBird: 100 messages per second
- Plivo: 50 messages per second
Batch Processing Strategies:
- Implement queuing systems for large volumes
- Use exponential backoff for retries
- Consider time-window throttling
- Monitor delivery rates by carrier
Rate limiting implementation example:
import { RateLimiter } from 'limiter';
// Create rate limiter for Twilio (250 msg/sec, with 80% safety margin)
const limiter = new RateLimiter({
tokensPerInterval: 200,
interval: 'second'
});
async function sendBatchWithRateLimit(messages: Array<{to: string, body: string}>) {
for (const msg of messages) {
await limiter.removeTokens(1);
await sendSMSToVenezuela(msg.to, msg.body);
}
}Error Handling and Reporting
Implement comprehensive logging. Monitor delivery receipts. Track carrier-specific errors. Set up automated alerts for failure patterns. Maintain error rate thresholds.
Acceptable error rate thresholds:
- Normal operations: < 5% error rate
- Warning level: 5-10% error rate (investigate within 1 hour)
- Critical level: > 10% error rate (immediate action required)
- Carrier-specific: > 15% errors for single carrier (switch routing)
Error handling implementation example:
interface SMSError {
code: string;
message: string;
carrier?: string;
timestamp: Date;
}
class SMSErrorTracker {
private errors: SMSError[] = [];
trackError(error: SMSError): void {
this.errors.push(error);
const recentErrors = this.errors.filter(e =>
e.timestamp > new Date(Date.now() - 3600000) // Last hour
);
const errorRate = recentErrors.length / this.getTotalSent();
if (errorRate > 0.10) {
this.alertCritical('Error rate exceeded 10%', errorRate);
} else if (errorRate > 0.05) {
this.alertWarning('Error rate elevated', errorRate);
}
}
private alertCritical(message: string, rate: number): void {
// Implement alert logic (PagerDuty, email, etc.)
console.error(`CRITICAL: ${message} - Rate: ${(rate * 100).toFixed(2)}%`);
}
private alertWarning(message: string, rate: number): void {
console.warn(`WARNING: ${message} - Rate: ${(rate * 100).toFixed(2)}%`);
}
private getTotalSent(): number {
// Implement counter logic
return 1000; // Placeholder
}
}Frequently Asked Questions: Sending SMS to Venezuela
What is the country code for sending SMS to Venezuela?
The country code for Venezuela is +58. Use E.164 phone number format for international SMS delivery: +58 followed by the mobile prefix (412, 414, 416, 424, or 426) and 7 digits.
Can I send SMS to Venezuela from the USA?
Yes, you can send SMS to Venezuela from the USA using SMS API providers like Twilio, Sinch, MessageBird, or Plivo. Prices typically range from $0.045 to $0.065 per message depending on the carrier and volume.
Do I need to register my sender ID to send SMS in Venezuela?
Only Digitel requires sender ID pre-registration (21-day process). Movistar and Movilnet replace sender IDs with random numeric codes regardless of registration. For reliable branded messaging, register an alphanumeric sender ID with Digitel.
Recap and Additional Resources
Key Takeaways
-
Compliance Priorities
- Obtain explicit consent
- Honor opt-out requests
- Respect time zone restrictions
- Maintain clean contact lists
-
Technical Considerations
- Use E.164 number formatting
- Implement proper error handling
- Monitor delivery rates
- Test across all carriers
-
Best Practices
- Localize content to Spanish
- Keep messages concise
- Test and monitor regularly
- Maintain proper documentation
Next Steps
- Review CONATEL regulations at www.conatel.gob.ve
- Consult legal counsel for compliance review
- Set up test accounts with your preferred SMS providers
- Implement proper monitoring and reporting systems
Additional Resources
- CONATEL Guidelines: www.conatel.gob.ve/marco-legal
- Venezuela Consumer Protection Laws: www.indepabis.gob.ve
- Carrier Coverage Maps:
- Movistar: www.movistar.com.ve/cobertura
- Digitel: www.digitel.com.ve/cobertura
- Movilnet: www.movilnet.com.ve/cobertura
Geographic pilot area recommendations:
- Start with Caracas metro area: Best infrastructure, highest population density, represents 20% of national market
- Expand to Maracaibo and Valencia: Second and third largest cities, test regional variations
- Test coastal areas separately: Margarita Island, Puerto La Cruz – tourism-focused messaging
- Rural areas last: Expect 20-40% lower delivery rates, adjust expectations accordingly
Delivery success rates by region (approximate):
| Region | Delivery Rate | Avg Delivery Time | Infrastructure Quality |
|---|---|---|---|
| Caracas metro | 85-90% | 5-15 seconds | Good |
| Maracaibo | 80-85% | 10-30 seconds | Moderate |
| Valencia | 80-85% | 10-25 seconds | Moderate |
| Coastal cities | 75-80% | 15-45 seconds | Moderate |
| Rural areas | 60-75% | 30-120 seconds | Poor to Moderate |
Establishing carrier relationships:
- Initial contact: Reach out to enterprise/wholesale divisions (not retail customer service)
- Required documentation: Business registration, tax ID (RIF), projected volume
- Technical integration: Request API documentation, test credentials, and technical support contacts
- Compliance review: Submit sample message templates for pre-approval
- Volume commitments: Negotiate pricing based on monthly volume (typically 50k+ messages for best rates)
- Ongoing relationship: Assign account manager, schedule quarterly reviews, maintain direct technical escalation path
Carrier contact points:
- Movistar Enterprise: empresas@movistar.com.ve
- Digitel Business: empresas@digitel.com.ve
- Movilnet Corporate: atencionempresarial@movilnet.com.ve
Important Notes for 2025:
- The National Plan for Telecommunications 2025-2031 signals ongoing regulatory evolution; monitor CONATEL announcements for updates affecting SMS services
- CONATEL emphasizes operator verification: call 0800-CONATEL (2662835) to confirm SMS provider authorization status
- Given infrastructure challenges and network modernization, establish direct relationships with carrier representatives for timely updates on service impacts
- Infrastructure reliability varies significantly by region; consider piloting SMS campaigns in specific geographic areas before national rollout
Frequently Asked Questions
How to send SMS messages to Venezuela?
Use an SMS API provider like Twilio, Sinch, MessageBird, or Plivo. Ensure the recipient's number is in E.164 format (+58) and be aware of carrier-specific limitations on sender IDs and message length. Due to two-way SMS not being supported, you cannot receive replies via SMS.
What are the main mobile carriers in Venezuela?
The three major mobile operators in Venezuela are Movistar, Digitel, and Movilnet. While SMS is still used, messaging apps like WhatsApp and Telegram have gained popularity due to economic factors and internet availability.
What is the character limit for SMS in Venezuela?
Standard SMS character limits apply: 160 characters for GSM-7 encoding and 70 for UCS-2. Concatenated messaging is not supported, so messages exceeding these limits will be truncated. UCS-2 encoding is only supported for Movilnet.
Why does MMS not work in Venezuela?
MMS messages are automatically converted to SMS with an embedded URL link. Multimedia content must be hosted externally and accessed through the link. This conversion ensures compatibility across Venezuelan networks.
What SMS compliance rules exist in Venezuela?
Obtain explicit consent before sending marketing messages, support HELP/STOP commands in Spanish and English, and honor opt-out requests within 24 hours. While no DNC registry exists, maintain internal suppression lists.
How to get alphanumeric sender ID in Venezuela?
Alphanumeric sender IDs are supported with restrictions. Pre-registration, taking 21 days, is required for Digitel. Other networks might overwrite sender IDs with random codes. Sender ID preservation is only guaranteed for pre-registered IDs on Digitel.
What are the restrictions for sending SMS to landlines in Venezuela?
Sending SMS to landlines in Venezuela is not supported. Attempts result in a 400 error (code 21614), and the messages will not be logged or charged.
Can I send marketing SMS messages in Venezuela?
Yes, but strict regulations apply. You must obtain explicit consent, honor opt-outs, and comply with advertising guidelines. Avoid sending messages outside of 8:00 AM to 8:00 PM local time, except for urgent notifications.
When should I send SMS messages in Venezuela?
Send messages between 8:00 AM and 8:00 PM Venezuela Time (VET, UTC-4). Avoid sending during national holidays. Urgent messages can be sent outside these hours.
What SMS API rate limits exist for providers serving Venezuela?
Rate limits vary by provider: Twilio (250/sec), Sinch (30/sec), MessageBird (100/sec), and Plivo (50/sec). Implement queuing systems and backoff strategies to handle large volumes.
How to handle opt-outs for SMS campaigns in Venezuela?
Process opt-out requests (STOP, PARA, CANCELAR, AYUDA, HELP) within 24 hours, send a final confirmation message, and update your suppression lists. Retain opt-out records for at least 2 years.
Why is number portability important for SMS in Venezuela?
Number portability is not available in Venezuela. Mobile numbers stay linked to their original operator, affecting routing and delivery strategies.
What are best practices for SMS marketing in Venezuela?
Keep messages under 160 characters, localize to Spanish, personalize, and include clear calls-to-action. Respect local time zones, and limit messages to 2-3 per week per recipient.
How to test SMS delivery in Venezuela?
Test across all major carriers (Movistar, Digitel, Movilnet) using test accounts with your chosen SMS provider. Monitor delivery rates, track carrier-specific errors, and test opt-out functionality regularly.