Sponsor comparison
Newsletter sponsorship activity, audience reach, and ad formats — side by side.
Sponsorship breakdown
Developer Tools
Technology
Software Testing Weekly
3K subscribers
The Flow by Flocus
108K subscribers
3K subs
108K subs
Email testing API that gives every test its own inbox and returns sign-up codes …
Find out why 100K+ engineers read The Code twice a week. No fluff, just signal –…
November 2026
December 2025
Ad copy examples
Mails.ai
Email testing API that gives every test its own inbox and returns sign-up codes or magic links as JSON.
The Code
Find out why 100K+ engineers read The Code twice a week. No fluff, just signal – Learn the most important tech news delivered in just two short emails. Supercharge your skills – Get access to top research papers and resources that give you an edge in the industry. See the future first – Discover what’s next before it hits the mainstream, so you can lead, not follow. Join 100,000+ engineers who read The Code to stay ahead of the curve. Checking out The Code not only expands your knowledge, but also supports our tiny team at The Flow, allowing us to continue delivering value to your inbox.
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