Messaging

Last updated 4 Mar 2025

How text messaging apps can scale traffic affordably

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By Michael Bratschi

Scaling traffic can be a significant challenge for text messaging apps as they grow. Sending essential notifications, transactional messages, and verification codes requires reliable communication tools, but increasing message volumes can lead to rising SMS costs. By optimizing routing, automating workflows, and carefully managing resources, text messaging apps can handle growth effectively without sacrificing quality.

Addressing the cost of SMS traffic

For text messaging apps, handling increased traffic often comes with escalating expenses, especially when managing international messaging. Without proper planning, these costs can strain budgets and impact profitability. According to The Insight Partners, the global A2P SMS market is expected to reach $91.59 billion by 2031. As demand grows, apps must adopt efficient strategies to scale responsibly and affordably.

Practical strategies to manage growth

Scaling a text messaging app requires a combination of strategic planning and the right technological tools. By focusing on efficiency and leveraging industry best practices, apps can ensure smooth operations even during periods of rapid growth. Below are some strategies to manage increasing SMS traffic effectively.

Optimize routing for efficiency

Dynamic routing ensures that messages are sent through the most reliable and cost-effective paths. SMS providers like Telnyx offer APIs that automatically adjust routes to balance delivery success with cost savings, helping apps handle traffic spikes and high message volumes. Additionally, investing in AI-driven routing solutions can further optimize message delivery by analyzing real-time network conditions and choosing the best available route.

Automate workflows with APIs

APIs enable text messaging apps to streamline SMS workflows. Automation reduces the need for manual intervention, improves efficiency, and supports scalability. By scheduling campaigns, tracking performance, and managing delivery in real time, apps can focus on growth without increasing operational complexity. Moreover, integrating chatbots and AI-driven messaging systems can help apps manage customer interactions at scale without requiring additional human resources.

Prioritize urgent messages

Not all messages need to be delivered immediately. By prioritizing time-sensitive communications, such as one-time passwords (OTPs), over less urgent updates, apps can allocate resources wisely and avoid delays in critical messaging. Implementing message categorization and setting up intelligent queuing systems can ensure that urgent messages always take precedence.

Leverage volume-based discounts

Most SMS providers offer tiered pricing based on message volume. As your app grows, negotiate rates that align with your projected traffic to maximize cost savings. Many providers also offer committed-use discounts, where businesses can lock in lower per-message rates by committing to a minimum volume over a given period. This can provide long-term cost benefits and help manage expenses more predictably.

Analyze delivery data regularly

Reviewing delivery reports helps identify areas for improvement. For example, frequent failures to specific regions may indicate a need for better routing strategies or adjustments to sender IDs. By leveraging machine learning models to analyze delivery performance, apps can proactively adjust their messaging strategies to improve overall success rates and reduce undelivered messages.

Use localized numbers for regional messaging

Sending messages with local or toll-free numbers can reduce international costs and improve recipient trust. By tailoring your approach to regional needs, apps can maintain efficiency while fostering better user engagement. Localized sender IDs also enhance brand credibility and reduce the likelihood of messages being flagged as spam.

Choosing the right SMS provider

Selecting the right SMS provider is a vital step in ensuring reliable communication and the ability to scale effectively. With increasing messaging volumes, businesses need a provider that can support future growth in addition to meeting current needs. A strong provider will help prevent disruptions, maintain high delivery rates, and optimize costs, ensuring a smooth messaging process for users.

The success of a text messaging app’s scaling strategy often depends on the SMS provider. Look for a provider that offers:

  • Reliable message delivery across all regions.
  • Transparent pricing to avoid unexpected fees.
  • Broad global reach to support diverse customer bases.
  • Advanced analytics for real-time monitoring and optimization.
  • Robust security features to ensure the integrity of communications.

Beyond selecting the right provider, businesses should continuously optimize and assess their messaging strategy to stay competitive. As the industry changes, working with a provider that offers innovative solutions and flexible scaling options will help ensure long-term success. Implementing best practices, such as monitoring performance metrics and leveraging automation, can further enhance the efficiency and reliability of SMS operations, ultimately allowing for sustained growth and improved customer satisfaction.

Real-world success with Telnyx

OneText, a messaging platform, successfully scaled its operations by partnering with Telnyx. By integrating Telnyx’s SMS API, OneText expanded its messaging capabilities 200x, enabling them to handle increased traffic efficiently. This partnership allowed OneText to enhance its service offerings and cater to a growing user base without compromising on message delivery quality.

Planning for sustainable growth

Scaling SMS traffic doesn’t have to mean compromising on quality or overspending. Text messaging apps that invest in dynamic routing, automation, and efficient management practices can meet growing demand while staying within budget. With the right tools and strategies—and a reliable partner like Telnyx—apps can achieve sustainable growth while maintaining excellent service.


Ready to take your text messaging app to the next level? Contact us today to learn how Telnyx can help you scale SMS traffic affordably and effectively.
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