What is the best time to send marketing SMS messages in Brazil?

The best time to send marketing SMS messages in Brazil is between 9:00 AM and 10:00 PM local time. Sending marketing messages outside of these hours or on Sundays is prohibited.

What are the key regulations governing SMS communication in Brazil?

SMS communications in Brazil are primarily governed by the Brazilian General Data Protection Law (LGPD) and overseen by the National Telecommunications Agency (ANATEL). These regulations focus on data privacy, consumer rights, and transparent communication practices.

What opt-out keywords must I support for SMS campaigns in Brazil?

All SMS campaigns in Brazil must support the following Portuguese opt-out keywords: PARE (Stop), SAIR (Exit), and AJUDA (Help). Responses to these commands must be immediate and free of charge.

Which SMS sender types are supported in Brazil?

Brazil supports alphanumeric sender IDs, domestic long codes (for P2P), and short codes. International long codes are not directly supported.

What type of content is prohibited in SMS messages in Brazil?

Prohibited content in Brazilian SMS messages includes adult content, gambling services, political messages, religious content, controlled substances, cannabis-related content, contest promotions and telecommunication services.

How can I ensure my SMS messages are delivered successfully in Brazil?

To ensure successful SMS delivery in Brazil, use plain text, avoid URL shorteners, keep messages within carrier limits, use registered sender IDs, maintain consistent sending patterns, and test across major carriers like Vivo, TIM, Claro, and Oi.

Is it possible to send SMS messages to landlines in Brazil?

No, sending SMS messages to landline numbers is not supported in Brazil. Attempts to do so will result in an error.

What should I consider when using Alphanumeric Sender IDs in Brazil?

Alphanumeric Sender IDs are supported in Brazil, but pre-registration is available for TIM, CLARO, and VIVO networks and can take up to 10 weeks. Using uppercase Sender IDs is recommended, and required for VIVO.

Does Brazil require explicit consent for sending marketing SMS messages?

Yes, Brazil requires explicit consent (written or digital confirmation) before sending marketing SMS messages. You need to maintain consent records, clearly state the purpose of communication, and obtain separate consent for different communication types.

What is the character limit for concatenated SMS messages in Brazil?

The character limit for concatenated SMS messages in Brazil is generally 160 characters per segment, except for NEXTEL, which has a limit of 140 characters per segment.

Brazil SMS Guide

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