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All chapters Chapter 10

Design A Notification System

7 references

Reference 1 in Chapter 10: Twilio SMS

twilio.com
Reference 2 in Chapter 10: Nexmo SMS

nexmo.com
Reference 3 in Chapter 10: Sendgrid

sendgrid.com
Reference 4 in Chapter 10: Mailchimp

mailchimp.com
Reference 5 in Chapter 10: You Cannot Have Exactly-Once Delivery

bravenewgeek.com
Reference 6 in Chapter 10: App Keys & Secrets: Security

bit.ly
Reference 7 in Chapter 10: RadditMQ

bit.ly

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The reference lists are by Alex Xu and Sahn Lam, from System Design Interview: An Insider’s Guide, and are published at github.com/alex-xu-system/bytebytego. This site is not affiliated with them or with ByteByteGo.

Made by Laith Shadeed. Links last checked Aug 30, 2026. Chapters · Search · Changes · About.