Readwise tech stack
Easily revisit and learn from your highlights and annotations.
readwise.io ↗Checked Sep 2026
The stack
On its website: DNS: pm-bounces.readwise.io CNAME pm.mtasv.net source · Oct 2026 ↗
On its website: DNS: s1._domainkey.readwise.io CNAME s1.domainkey.u6252958.wl209.sendgrid.net; DNS: s2._domainkey.readwise.io CNAME s2.domainkey.u6252958.wl209.sendgrid.net source · Oct 2026 ↗
“This was what inspired Simon was to build turbopuffer in 2023. turbopuffer in Readwise turbopuffer powers Readwise's new AI feature: Chat with Highlights.” — customer story, Sep 2026 ↗
On its website: HTTP: readwise.io responds with x-render-origin-server; HTTP: www.readwise.io responds with x-render-origin-server source · Oct 2026 ↗
Built on a similar stack
Products that share the most distinctive building blocks with Readwise.