Is your Messaging Provider Throttling you? 🤔
Understanding 10DLC A2P throughput limitations, and asking the right questions to your provider

Is Your SMS Provider Sabotaging YOUR 🫵 Throughput?!
In the fast-paced world of digital marketing, speed and efficiency are paramount 💨. When it comes to A2P (Application-to-Person) messaging via 10DLC, are you truly maximizing your investment 🤷? Many businesses unknowingly suffer from throttled throughput, leading to delayed message delivery and frustrated customers 🤬. Let’s dive into the critical aspects of 10DLC throughput and uncover how to ensure you’re getting the performance you deserve 😎🙌
Want to check out the video that inspired this post? You can watch it Here!
Understanding 10DLC and Throughput 🌊
10DLC (10-Digit Long Code) A2P messaging utilizes standard 10-digit phone numbers for business-to-consumer communication. Carriers like AT&T and T-Mobile impose throughput limits to prevent spam and ensure network integrity (Verizon does too, but it’s not public info). However, these limits vary significantly.
- AT&T: Measures throughput in segments per minute (SPM), where a segment is 160 characters. Standard campaigns allow 240 SMS SPM and 120 MMS SPM.
- T-Mobile: Measures throughput in messages per day. Standard campaigns start at 2,000 messages per day, but can be significantly increased through standard vetting.
The Hidden Throttling Issue 🫣
Here’s the critical point: some messaging providers impose their own arbitrary throughput limits, often well below carrier-set thresholds. This can result in significant message delays, impacting time-sensitive campaigns and customer experience.
- A provider limiting you to 1-3 messages per second, even with high carrier allowances, can severely bottleneck your operations, especially for high-volume campaigns or resellers handling multiple accounts.
- These delays can translate to poor response times, making your system appear slow and unreliable.
Actionable Insights 💡
- Ask the Right Questions:
- “What are your API throughput limits?”
- “Will my throughput ever be limited below carrier limits?”
- “How can I increase throughput, and what are the associated costs?” (note, there shouldn’t EVER be costs for getting the throughput you paid for!)
- Understand Carrier Limits: Familiarize yourself with AT&T’s SPM and T-Mobile’s daily message limits
- Vet Your Provider: Ensure your messaging provider aligns with carrier limits and offers transparent throughput management
- Consider Standard Vetting: Standard vetting can dramatically increase your daily and per-minute message allowance, reaching up to 200,000 messages for T-Mobile and 4,500 SMS/min with AT&T
- Monitor Performance: Track message delivery times and identify any potential bottlenecks
- Demand Transparency: Your messaging provider should be upfront about their throughput policies and avoid hidden fees for increasing limits
- Segment Knowledge: Understand that a segment is 160 characters, and longer messages will use more segments, which is important for AT&T
Don’t let hidden throughput limitations sabotage your messaging campaigns ✋🏼. By asking the right questions and understanding carrier guidelines, you can ensure you’re getting the performance you paid for 👍. Choose a provider that prioritizes transparency and empowers you to maximize your messaging potential 🙌