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How to Register for A2P 10DLC?

How to Register for A2P 10DLC?

Profile Headshot of Amit Gairola
Amit Gairola

3
mins read

June 7, 2024

How to Register for A2P 10DLC?

Key Takeways

How to Register for A2P 10DLC?

SMS forms a major part of messaging and communication by businesses. A2P messaging has multiple use cases like OTP SMS, discounts, offers etc. Even with the advent of OTT channels like WhatsApp, A2P messaging still has a very strong hold on promotional messaging by businesses.

A2P 10DLC is the mandate for sending SMS in the US. You can read our detailed explainer on A2P 10DLC for more context. Explained here is the process to register for A2P 10DLC.  

Steps in A2P 10DLC Registration

  1. Brand Registration
    As per the entity guide for A2P 10DLC, you’d need to register a brand for your business based on your tax ID status, volume and use case. You’d need to register the same with TCR (The Campaign Registry). You’d need to specify the legal structure of your organization i.e. if you are a partnership, LLC, corporation etc.
    You’d need documentation of your business for registration. This would include business entity information, contact information, EIN/ TIN number, proof of identity etc.  
  2. Campaign Registration: This states the registration of your campaigns by selecting the appropriate campaign types. SMS campaigns can either be standard or special based upon their use case. Special campaigns are the ones which are sensitive or critical in nature. There is a possibility that these would require vetting and approval from MNOs (Mobile Network Operators).
    For example: A2P 10DLC for political campaigns. With campaign registration, you’d also need to highlight the opt in mechanism for sending SMS messages.  
  3. Payment: To complete the registration process, you’d need to make certain payments. This would include: - Bullet points

    Brand registration fee
    : This can range from $300 to $4500 depending upon the nature of business and complexity of registration. This would include initial setup and registration for authentication as per the TCR system.
    Campaign setup fee
    : Each initiated campaign would have a setup fee for 10DLC messaging. This would range from $50 to $500 per campaign. This includes categorizing campaign use case, ensuring compliance and activating the campaign.
    Messaging throughput fee
    : TCR also levy a fee basis the volume of SMS messages going out. This can range from $0.0025 to $0.005 per message. This would depend on contractual agreements with TCR.
    Other fee
    : There could be other charges like compliance audits, ongoing support or premium features offered by TCR or authorized SMS messaging service providers. The range of this can vary based on scope of specific requirements.

A2P 10DLC with Message Central

Message Now is an SMS API provider by Message Central. The platform also enables sending SMS without A2P 10DLC especially for use cases like SMS verification.  

You can get in touch with the team to get started.  

Frequently Asked Questions

How do I choose the right OTP service provider?

When selecting an OTP SMS service provider, focus on:

  • Delivery reliability and speed
  • Global coverage and local compliance
  • Multi-channel support and fallback
  • Ease of integration
  • Pricing transparency

The right provider should not just send OTPs but ensure they are delivered consistently across regions and networks.

Not all OTP SMS service providers are built the same.

Some optimize for cost, others for flexibility but very few balance delivery reliability, global coverage and ease of use. And that balance is what actually impacts whether your users receive OTPs on time.

If OTP is critical to your product, focus on:

  • reliable delivery (not just sending)
  • multi-channel fallback
  • scalability across regions

Try It for Yourself

Why is multi-channel OTP important?

Relying only on SMS can lead to failed verifications due to:

  • network issues
  • telecom filtering
  • device limitations

Multi-channel OTP systems (SMS + WhatsApp + voice) improve success rates by automatically retrying through alternative channels if one fails.

What is the best OTP SMS service provider in India?

Some of the commonly used OTP SMS service providers in India include MSG91, Exotel and 2Factor.

That said, India has additional challenges like DLT compliance and operator filtering. Platforms that handle these internally while also offering fallback options tend to provide more consistent OTP delivery.

Which is the cheapest OTP service provider?

Providers like Fast2SMS and 2Factor are often considered among the cheapest OTP service providers, especially in India.

However, lower pricing can come with trade-offs such as:

  • lower route quality
  • higher delivery delays
  • limited fallback options

For mission-critical OTP flows, reliability often matters more than just cost.

Which is the best OTP service provider in 2026?

The best OTP service provider depends on your use case.

  • For global scale and flexibility: Twilio, Infobip
  • For cost-effective APIs: Plivo
  • For India-focused SMS OTP: MSG91, Exotel

However, platforms like Message Central stand out by balancing global coverage, multi-channel fallback and ease of deployment, making them suitable for businesses that prioritize delivery reliability.

What is an OTP service provider?

An OTP service provider enables businesses to send temporary verification codes to users via channels like SMS, WhatsApp or voice to authenticate logins, transactions or sign-ups.

Modern OTP SMS service providers go beyond just sending messages, they ensure reliable delivery using optimized routing, retries and sometimes multi-channel fallback.

Ready to Get Started?

Build an effective communication funnel with Message Central.

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