Close tech stack
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close.com ↗Checked Sep 2026
The stack
In a job posting: “Our backend tech stack consists primarily of Python Flask web apps with our TaskTiger https://github.com/closeio/tasktiger scheduler handling many of the backen…” source · Sep 2026 ↗
In a job posting: “We use Pydantic, Temporal, LangFuse, and other modern AI infrastructure tooling to power our agent platform.” source · Jan 2025 ↗
In a job posting: “Our infrastructure is heavily automated using Terraform, Ansible and other AWS tools.” source · Sep 2026 ↗
On its website: Homepage loads cdn.amplitude.com source · Oct 2026 ↗
Other
On its website: HTTP: close.com responds with x-vercel-id; HTTP: www.close.com responds with x-vercel-id source · Oct 2026 ↗
Built on a similar stack
Products that share the most distinctive building blocks with Close.
Ramp