Vietnam SMS Pricing Guide: Compare Costs & API Providers

Vietnam SMS pricing varies significantly across providers, from as low as $0.066 per message to $0.186, depending on features and delivery infrastructure. This comprehensive guide provides you with current 2025 rates for leading international SMS gateway providers—Twilio, Plivo, Sinch, and Infobip—alongside local Vietnamese telecom operators like Viettel, VinaPhone, and MobiFone. Whether you're planning SMS marketing campaigns, customer notifications, or two-factor authentication, understanding these pricing differences and regulatory requirements is crucial for cost-effective messaging in Vietnam.

Understanding the Vietnamese SMS Market

Vietnam's SMS market presents a unique blend of established players and emerging trends. While international gateways offer robust features and global reach, domestic operators like Viettel, VinaPhone, and MobiFone hold a significant market share, often providing more competitive rates for local messaging. Understanding this dynamic is crucial for choosing an SMS solution.

• Local Operators: Domestic operators offer highly competitive rates for in-country messaging, sometimes as low as VND 200–500 ($0.008–0.02) per SMS. This makes them attractive for businesses focused solely on the Vietnamese market.
• International Gateways: Providers like Twilio, Plivo, Sinch, and Infobip offer advanced features, reliable delivery infrastructure, and global reach, making them suitable for businesses with international communication needs or requiring sophisticated API (Application Programming Interface) integrations.
• Emerging Trends: The rise of messaging apps like Zalo and WhatsApp presents both a challenge and an opportunity. While potentially impacting SMS volume, these platforms also open avenues for omnichannel messaging strategies, which you should consider when planning your long-term communication approach. The Vietnamese market is increasingly receptive to direct messaging advertising, driven by high smartphone penetration and a young, tech-savvy population.

If you're evaluating regional SMS solutions, you may also want to compare Thailand SMS pricing, Cambodia SMS pricing, Laos SMS pricing, and Indonesia SMS pricing to understand how Vietnam's rates and regulations compare across Southeast Asia.

International SMS Gateway Provider Comparison

The following table compares key pricing and features of major international SMS gateway providers in Vietnam:

Last Updated: January 2025. Twilio pricing verified from Twilio Vietnam SMS Pricing. Prices are subject to change and volume discounts can significantly impact the final cost. Contacting providers directly for up-to-date pricing and tailored quotes based on your specific needs is highly recommended.

Deep Dive into Provider Offerings

Twilio

• Pricing: $0.186 per message (base rate, verified January 2025).
• Strengths: Twilio is known for its comprehensive suite of communication APIs, offering robust features for programmable SMS, voice, video, and WhatsApp messaging. Their platform boasts advanced delivery reporting, multi-channel messaging capabilities, and enterprise-grade security.
• Considerations: Twilio's pricing can be higher than other providers, but the extensive feature set and reliability justify the cost for businesses needing advanced functionalities.

Plivo

• Pricing: $0.06558 per message (lowest rate among compared international providers).
• Strengths: Plivo stands out for its cost-effectiveness, making it an attractive option for budget-conscious businesses. They offer a developer-friendly API, reliable delivery infrastructure, and flexible integration options.
• Considerations: While offering fewer features than Twilio, Plivo provides a solid foundation for businesses prioritizing cost-effective and reliable SMS communication.

Sinch

• Pricing: $0.13515 per message.
• Strengths: Sinch boasts a strong presence in Asian markets, including established local network partnerships in Vietnam. Their platform offers advanced API capabilities and rich messaging features, catering to businesses targeting the Asian demographic.
• Considerations: Sinch's pricing falls in the mid-range, offering a balance between cost and features, particularly beneficial for businesses with a strong focus on Asian markets.

Infobip

• Pricing: $0.10026981 per message.
• Strengths: Infobip provides enterprise-grade communication solutions with a global reach and local expertise. Their platform offers advanced analytics, multiple integration options, and a comprehensive communication platform suitable for large-scale messaging needs.
• Considerations: Infobip is well-suited for enterprise clients requiring advanced features, analytics, and global reach, but may be less cost-effective for smaller businesses with simpler needs.

Factors Influencing SMS Pricing in Vietnam

Several factors contribute to the final cost of SMS services in Vietnam:

• Domestic vs. International Messaging: Sending messages within Vietnam is generally cheaper than international SMS.
• Network Coverage: Provider partnerships with local operators can impact delivery reliability and cost.
• Message Volume: Higher message volumes typically qualify for bulk discounts. Enterprise plans and long-term contracts can further reduce costs.
• Technical Features: Advanced API features, real-time delivery reports, and enhanced security measures can influence pricing.
• Regulatory Compliance: Adherence to regulations is essential and can impact pricing structures. As of February 18, 2025, telecommunications oversight transitioned from the Ministry of Information and Communications (MIC) to the Ministry of Science and Technology following a government restructuring.

Key SMS Marketing Regulations (Decree 91/2020)

Vietnam enforces strict SMS marketing regulations under Decree No. 91/2020/ND-CP (effective October 1, 2020). Businesses must comply with these requirements:

• Frequency Limits: No more than 3 marketing SMS per day to the same recipient, unless explicit consent for higher frequency is obtained.
• Opt-In Requirement: Vietnam operates an opt-in regime for advertising communications. Recipients must actively agree in advance to receive marketing messages.
• Brand Name Registration: Entities sending advertising messages must register a unique brand identifier with regulatory authorities, displayed in message headers or caller ID.
• Do-Not-Call Registry: Vietnam maintains a national Do-Not-Call list (Danh sách không quảng cáo) operated by the Authority of Information Security. Screen recipients against this registry before sending marketing SMS.
• Penalties: Non-compliance can result in fines and service restrictions.

[Source: Decree 91/2020/ND-CP, August 14, 2020]

Choosing the Right SMS Provider

Select the optimal SMS provider by carefully evaluating your business needs:

1. Message Volume: Estimate your monthly message volume to determine eligibility for volume discounts.
2. Target Audience: Identify whether you're targeting primarily domestic or international recipients.
3. Technical Requirements: Determine if you need advanced API features, real-time delivery reports, or specific integration capabilities.
4. Budget: Compare pricing structures and volume discounts across providers.
5. Delivery Quality and Reliability: Research provider reliability and network coverage in Vietnam.
6. Support Services: Evaluate the availability of customer service and technical support.

Future Trends and Considerations

• A2P Messaging Growth: The A2P (Application-to-Person) messaging market in Vietnam is experiencing steady growth, driven by increasing mobile app usage and business adoption of mobile-first strategies. The global A2P SMS market reached $52.28 billion in 2025 and is projected to reach $63.27 billion by 2030 (3.89% CAGR – Compound Annual Growth Rate), with Asia Pacific accounting for approximately 44.5% of the global market share. [Source: Mordor Intelligence, 2025]
• Omnichannel Messaging: Integrating SMS with other messaging channels like WhatsApp and Zalo will become increasingly important for reaching a wider audience and providing a seamless customer experience.
• Evolving Pricing Models: Expect pricing models to adapt to changing market needs and the integration of advanced features like rich messaging and chatbots.
• Regulatory Landscape: Stay informed about evolving regulations from the Ministry of Science and Technology (following the February 2025 merger), particularly concerning data privacy, security, and marketing compliance under Decree 91/2020. Regulatory requirements can impact service offerings, pricing, and operational procedures.

By carefully evaluating these factors and staying informed about market trends, you can effectively navigate the Vietnamese SMS landscape and choose the optimal provider for your communication needs.

Frequently Asked Questions

What is the cheapest SMS provider in Vietnam?

Plivo offers the lowest international gateway rate at $0.066 per message among major providers. However, local Vietnamese operators like Viettel, VinaPhone, and MobiFone offer even lower rates (VND 200–500 or $0.008–0.02 per SMS) for domestic messaging within Vietnam.

How much does Twilio charge for SMS in Vietnam?

Twilio charges $0.186 per SMS message in Vietnam as of January 2025. This base rate may decrease with volume discounts for enterprise accounts or high-volume messaging campaigns.

What are the SMS marketing regulations in Vietnam?

Vietnam enforces Decree 91/2020/ND-CP, which requires: (1) maximum 3 marketing SMS per day per recipient, (2) opt-in consent before sending promotional messages, (3) registered brand name identifier, (4) screening against the national Do-Not-Call registry, and (5) compliance to avoid fines and service restrictions.

Do I need a local Vietnamese phone number to send SMS?

No, international SMS gateway providers like Twilio, Plivo, Sinch, and Infobip allow you to send SMS to Vietnamese recipients without requiring a local number. However, some use cases may benefit from local number acquisition for better delivery rates and regulatory compliance.

Which SMS provider is best for API integration in Vietnam?

Twilio offers the most comprehensive API features with multi-channel messaging, advanced delivery reporting, and enterprise-grade security. Plivo provides a developer-friendly alternative at lower cost. Your choice depends on whether you prioritize feature depth or cost-effectiveness.

How do volume discounts work for SMS in Vietnam?

Most international providers offer tiered pricing based on monthly message volume. Higher volumes typically qualify for lower per-message rates. Contact providers directly for custom enterprise pricing, as published rates represent base costs before volume discounts.

What is the difference between A2P and P2P SMS in Vietnam?

A2P (Application-to-Person) SMS refers to automated messages sent from business applications to consumers, such as marketing campaigns or OTP codes. P2P (Person-to-Person) refers to individual text messages between mobile users. A2P messaging is subject to stricter regulations under Decree 91/2020.

Can I use Twilio or Plivo for SMS marketing campaigns in Vietnam?

Yes, but you must comply with Decree 91/2020 requirements: obtain opt-in consent, limit frequency to 3 messages per day, register your brand name, and screen recipients against the Do-Not-Call registry. International providers support compliant messaging but regulatory adherence is your responsibility.

What happened to MIC oversight of telecommunications in Vietnam?

As of February 18, 2025, telecommunications oversight transitioned from the Ministry of Information and Communications (MIC) to the Ministry of Science and Technology following a government restructuring. This change affects regulatory reporting and compliance processes.

How reliable is SMS delivery in Vietnam compared to other Southeast Asian countries?

Vietnam has robust telecommunications infrastructure with delivery rates typically exceeding 95% for compliant messages. Local operators (Viettel, VinaPhone, MobiFone) provide strong domestic coverage, while international gateways offer additional reliability through multiple carrier connections and fallback routing.