How to Subscribe Profiles with Klaviyo’s API (Email & SMS Consent)

Subscribe profiles to email and SMS marketing using Klaviyo’s APIs to manage consent, subscriptions, and communication preferences at scale. Learn how to programmatically subscribe users to email, SMS, and transactional messaging while avoiding common consent and suppression pitfalls. In this video, you’ll learn how to manage consent and subscription status in Klaviyo using API endpoints, including how to build requests in Postman, subscribe single or multiple profiles, handle different consent channels, and understand the difference between consent and suppression. This tutorial is ideal for developers and technical marketers automating email and SMS subscriptions. Key Takeaways 1. How to subscribe profiles to email marketing using Klaviyo’s API 2. How to add SMS and transactional consent programmatically 3. How to structure profile objects and bulk requests 4. The difference between consent status and suppression status 5. When to use bulk vs client-side subscription endpoints ⏱ Timestamps 0:00 – Introduction to consent and subscription management with Klaviyo APIs 0:16 – Subscribing profiles to email marketing 2:06 – Setting up the profiles object 3:56 – Subscribing profiles to SMS and transactional messages 5:37 – Consent vs suppression explained 6:12 – Conclusion and next steps 📘 Resources Mentioned - Set up Klaviyo’s Postman collections https://klaviyogrowth.com/3ZnoU10 - Bulk Subscribe Profiles endpoint https://klaviyogrowth.com/44KDVgV - Create Client Subscription endpoint https://klaviyogrowth.com/4jXaOvy - Add Profiles to List endpoint https://klaviyogrowth.com/43p3rWO - Klaviyo developer documentation https://developers.klaviyo.com/en/ - API reference overview https://developers.klaviyo.com/en/reference/api_overview - Get certified as a Klaviyo developer https://bit.ly/4msFVkf Drop a comment if you have questions or want to see more Klaviyo API tutorials. And don’t forget to subscribe for more developer tips and best practices. Create your free Klaviyo account: https://www.klaviyo.com FOLLOW KLAVIYO Twitter: https://twitter.com/klaviyo LinkedIn: https://www.linkedin.com/company/klaviyo/ Facebook: https://www.facebook.com/Klaviyo/ Instagram: https://www.instagram.com/klaviyo/ #KlaviyoAPI, #EmailMarketingAPI, #SMSMarketingAPI, #APITutorial, #MarketingAutomation, #Developers, #ConsentManagement, #EcommerceMarketing