Resources
Explore detailed guides, documention, and platform walkthroughs to help you get the most of SMSBlast, along with an FAQ section that addressess common questions
1024: Toll Free verification rejection – Disallowed: Alcohol promotions without age verification
Description Your Toll-Free number verification was rejected because the messaging program involves alcohol-related content but does not include a compliant 21+ age…
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1023: Toll Free verification rejection – Disallowed: Non-federally compliant use case
Description Your Toll-Free number verification was rejected because the messaging use case does not comply with federal regulations…
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1022: Toll Free verification rejection – Business Registration Number is Missing or Invalid
Description Your Toll-Free number verification was rejected because the business name or brand listed in the submission does…
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1021: Toll Free verification rejection – High-risk domain issues
Description Your Toll-Free number verification was rejected because the website domain provided failed domain inspection checks and was…
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1020: Toll Free verification rejection – Public URL shorteners not allowed
Description Your Toll-Free number verification was rejected because the sample message content includes links from public URL shortening…
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1019: Toll Free verification rejection – Potential fraud risk
Description Your Toll-Free number verification was rejected because the submission was flagged as a potential fraud risk. Messaging…
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1018: Toll Free verification rejection – High-risk domain reputation
Description Your Toll-Free number verification was rejected because the website domain included in the submission has been flagged…
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1017: Toll Free verification rejection – SMS terms must be accessible and compliant
Description Your Toll-Free number verification was rejected because the SMS Terms and Conditions required for the messaging program…
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1016: Toll Free verification rejection – Opt-in data cannot be shared with third parties
Description Your Toll-Free number verification was rejected because the submission suggests that SMS opt-in data or consent may…
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1015: Toll Free verification rejection – Privacy policy mentions sharing opt-in data
Description Your Toll-Free number verification was rejected because the privacy policy indicates that SMS opt-in or personal data…
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1014: Toll Free verification rejection – Privacy policy required for personal data collection
Description Your Toll-Free number verification was rejected because the submission does not include a valid or sufficient privacy…
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1013: Toll Free verification rejection – Call-to-action missing required disclosures
Description Your Toll-Free number verification was rejected because the call-to-action (CTA) used to collect phone numbers does not…
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1012: Toll Free verification rejection – Shopping cart reminders must follow specific guidelines
Description Your Toll-Free number verification was rejected because the submission includes shopping cart reminder messages but does not…
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1011: Toll Free verification rejection – Double opt-in required for this use case
Description Your Toll-Free number verification was rejected because the messaging use case requires a double opt-in, but the…
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1010: Toll Free verification rejection – Valid opt-in required for all submissions
Description Your Toll-Free number verification was rejected because the submission relies on an organizational or government consent exemption,…
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1009: Toll Free verification rejection – Opt-in not sufficient: Language Unclear
Description Your Toll-Free number verification was rejected because the opt-in language does not clearly request or explain consent…
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1008: Toll Free verification rejection – Age gate required for age-restricted content
Description Your Toll-Free number verification was rejected because the messaging use case involves age-restricted products or services, but…
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1007: Toll Free verification rejection – Verbal consent script must be provided
Description Your Toll-Free number verification was rejected because the submission relies on verbal consent, but the required supporting…
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1006: Toll Free verification rejection – Opt-in example must be complete and branded
Description Your Toll-Free number verification was rejected because the opt-in example provided did not contain enough clear or…
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1005: Toll Free verification rejection – Opt-in URL not accessible
Description Your Toll-Free number verification was rejected because the opt-in example could not be accessed by reviewers. Messaging…
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1004: Toll Free verification rejection – Pre-selected opt-in checkbox is not allowed
Description Your Toll-Free number verification was rejected because the opt-in process does not require users to actively provide…
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1003: Toll Free verification rejection – Opt-in does not match use case
Description Your Toll-Free number verification was rejected because the opt-in language or consent method does not align with…
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1002: Toll Free verification rejection – Opt-ins must clearly reflect end business
Description Your Toll-Free number verification was rejected because the opt-in experience does not clearly show the relationship between…
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1001: Toll Free verification rejection – Opt-in must be optional, not required
Description Your Toll-Free number verification was reviewed and rejected, and messaging from this Toll-Free number is blocked until…
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1000: Toll Free verification rejection – Single opt-in cannot cover multiple use cases
Description Your Toll-Free number verification was reviewed and rejected. Messaging from this Toll-Free number is blocked until the…
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Forbidden SMS Message Categories in the US & Canada
When sending business SMS in the United States and Canada, compliance is critical. Mobile carriers enforce strict rules…
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How to Monitor SMS Performance: Key Metrics Every Business Should Track
Monitoring SMS performance is essential for understanding how well your messaging campaigns are working—and where you can optimize…
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How to Write a High-Quality SMS Campaign Description That Gets Approved
A campaign description is one of the most important parts of your SMS registration. Carriers rely heavily on…
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Common Mistakes That Get Your SMS Registration Rejected
Submitting your SMS registration form is one of the most important steps in getting approved for A2P messaging.…
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How to Properly Fill Out Your SMS Registration Form for Fast 10DLC Approval
A smooth 10DLC approval process starts with one thing: a correctly completed registration form. Carriers review every detail you…
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How API-Based SMS Integration Can Streamline Your Operations
API-based SMS integration gives businesses a powerful way to automate communication, improve workflows, and deliver messages directly from…
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Top SMS Marketing Mistakes Businesses Should Avoid
Introduction to Common SMS Marketing Mistakes SMS remains one of the most powerful communication channels for businesses —…
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The SMB Guide to SMS Automation
Introduction to SMS Automation SMS automation helps small and medium businesses save time, improve communication, and deliver consistent…
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Personalization in SMS Marketing: Strategies That Actually Work
Personalization has become one of the most powerful drivers of effective communication — and SMS is one of…
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Introduction to A2P SMS
In an era where customers expect instant, clear, and reliable communication, businesses need messaging tools that deliver resulWhat…
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SMS Appointment Reminders
Introduction to SMS Appointment Reminders Learn how businesses use SMS to reduce no-shows, streamline scheduling, and keep customers…
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SMS vs. Email
Which Channel Delivers Better Results in 2025? Learn how SMS and email compare in performance, engagement, and business…
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Why SMS Remains a Top Communication Channel
Why SMS Is Still So Effective SMS remains one of the most effective communication channels because of its…
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Introduction to SMS for Support & Retention
Learn how businesses use SMS to improve customer support, increase satisfaction, and boost retention with fast, convenient, and…
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