--- title: What Are the TCPA, CAN-SPAM, and CTIA Guidelines for SMS Compliance? description: SMS marketing is governed by TCPA, CAN-SPAM, and CTIA guidelines. Understand consent, opt-out, and frequency requirements before launching campaigns. --- [![Integrate IQ™️ Logo](https://integrateiq.com/wp-content/uploads/2025/08/integrateiq-header-white.webp) ![Integrate IQ™️ Logo](https://integrateiq.com/wp-content/uploads/2025/08/integrateiq-header-white.webp)](https://integrateiq.com/) - [Solutions](https://integrateiq.com/services/) - [AI Accelerator](https://integrateiq.com/services/ai-accelerator/) - [HubSpot Integrations](https://integrateiq.com/services/hubspot-integrations/) - [HubSpot NetSuite Integration](https://integrateiq.com/services/hubspot-netsuite-integration/) - [HubSpot Onboarding](https://integrateiq.com/services/hubspot-onboarding/) - [CRM Migrations](https://integrateiq.com/services/crm-migrations/) - [Full Stack Development](https://integrateiq.com/services/full-stack-development/) - [HubSpot Training](https://integrateiq.com/services/hubspot-training/) - [Integrations](https://integrateiq.com/integrations/) - [Industries](https://integrateiq.com/industries/) - 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Contact us Contact us How can we help you? - There are no suggestions because the search field is empty. 1. [Knowledge Base](https://help.integrateiq.com/knowledgebase?hsLang=en) 2. [Message IQ](https://help.integrateiq.com/knowledgebase/message-iq?hsLang=en) 3. [Compliance & Consent](https://help.integrateiq.com/knowledgebase/message-iq?hsLang=en#compliance-consent) # What Are the TCPA, CAN-SPAM, and CTIA Guidelines for SMS Compliance? ## Understand TCPA, CAN-SPAM, and CTIA rules before launching SMS campaigns. SMS marketing in the US is governed by several regulations and industry guidelines. Understanding them reduces your risk of fines, carrier blocks, and lost deliverability. ### TCPA (Telephone Consumer Protection Act) Requires express written consent before sending marketing texts. Violations carry significant per-message fines. Always obtain and document opt-in consent before messaging contacts. ### CAN-SPAM Primarily governs commercial email, but its principles, including clear sender identification and a working opt-out mechanism, are applicable to commercial messaging broadly. ### CTIA Messaging Principles Industry guidelines from the Cellular Telecommunications and Internet Association. Carriers use CTIA principles when evaluating whether to approve and deliver campaigns. Key requirements include clear consent, easy opt-outs, honest sender identification, and appropriate message frequency. ### Best practices: - Get express consent and document it, including timestamp and IP address where possible - Include clear opt-out instructions in your first message to a contact - Keep message frequency consistent with what you communicated at opt-in - Reconfirm consent if you have not messaged a contact in approximately 18 months See our [TCPA and CAN-SPAM guide](https://messageiq.io/avoid-costly-fines-a-guide-to-tcpa-and-can-spam-for-sms-marketing/) and [CTIA overview](https://messageiq.io/ctia-messaging-principles-and-best-practices/) on the blog. - [Message IQ](https://help.integrateiq.com/knowledgebase/message-iq?hsLang=en#main-content) - [Getting started](https://help.integrateiq.com/knowledgebase/message-iq?hsLang=en#getting-started) - [HubSpot Integration](https://help.integrateiq.com/knowledgebase/message-iq?hsLang=en#hubspot-integration) - [Security & Privacy](https://help.integrateiq.com/knowledgebase/message-iq?hsLang=en#security-privacy) - [Automation & Workflows](https://help.integrateiq.com/knowledgebase/message-iq?hsLang=en#automation-workflows) - [Phone Numbers & Calling](https://help.integrateiq.com/knowledgebase/message-iq?hsLang=en#phone-numbers-calling) - [Contacts & Data](https://help.integrateiq.com/knowledgebase/message-iq?hsLang=en#contacts-data) - [Compliance & Consent](https://help.integrateiq.com/knowledgebase/message-iq?hsLang=en#compliance-consent) - [Plans & Pricing](https://help.integrateiq.com/knowledgebase/message-iq?hsLang=en#plans-pricing) - [Reporting & Analytics](https://help.integrateiq.com/knowledgebase/message-iq?hsLang=en#reporting-analytics) - [Messaging](https://help.integrateiq.com/knowledgebase/message-iq?hsLang=en#messaging) - [Integrate IQ](https://help.integrateiq.com/knowledgebase/integrate-iq?hsLang=en#main-content) - [Troubleshooting](https://help.integrateiq.com/knowledgebase/integrate-iq?hsLang=en#troubleshooting) - [Maintenance & Support](https://help.integrateiq.com/knowledgebase/integrate-iq?hsLang=en#maintenance-support) - [Pricing & Contracts](https://help.integrateiq.com/knowledgebase/integrate-iq?hsLang=en#pricing-contracts) - [HubSpot & NetSuite](https://help.integrateiq.com/knowledgebase/integrate-iq?hsLang=en#hubspot-netsuite) - [Project Management](https://help.integrateiq.com/knowledgebase/integrate-iq?hsLang=en#project-management) - [Data & Workflows](https://help.integrateiq.com/knowledgebase/integrate-iq?hsLang=en#data-workflows) - [Integration Capabilities](https://help.integrateiq.com/knowledgebase/integrate-iq?hsLang=en#integration-capabilities) - [About Integrate IQ](https://help.integrateiq.com/knowledgebase/integrate-iq?hsLang=en#about-integrate-iq) - [Onboarding](https://help.integrateiq.com/knowledgebase/integrate-iq?hsLang=en#onboarding) - [Strategy](https://help.integrateiq.com/knowledgebase/integrate-iq?hsLang=en#strategy) - [Technical & Implementation](https://help.integrateiq.com/knowledgebase/integrate-iq?hsLang=en#technical-implementation) [![Integrate IQ](https://help.integrateiq.com/hs-fs/hubfs/IQ%20horiz.png?width=620&height=104&name=IQ%20horiz.png "Integrate IQ")](https://integrateiq.com) Copyright © 2026, Integrate IQ [![](https://integrateiq.com/wp-content/uploads/2025/08/integrateiq-logo-white-1.webp)](https://integrateiq.com/) Established in 2013, Integrate IQ provides customers worldwide custom development and consulting, system integration, and a variety of HubSpot-enabling SaaS. 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