Knock

Code & Developer Tools19 vendorsUpdated Nov 10, 20261 added knock.app Subprocessor list

Knock uses 19 subprocessors and infrastructure vendors, including AWS, OpenAI and Stripe, based on its public subprocessor list. Last checked Nov 10, 2026.

AI Stack · 2

Infrastructure · 17

AI Stack

Foundation Models

Artificial intelligence provider

Artificial intelligence provider

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Infrastructure

Cloud & Networking

Cloud hosting and infrastructure provider

Web Application Firewall

Auth & Identity

Enterprise authentication

Databases

Analytics database

Data Pipeline

Data sharing platform

Observability

Infrastructure Monitoring

Software error tracking

Billing & Payments

Usage-based billing

Payment processing

Analytics & BI

Business intelligence platform

Product analytics platform

Customer data platform

CRM & Support

Support services for Sales

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Customer support

Communications

Application Email Service

Support services (messaging)

Developer Platform

Feature flags used for software rollout

Model labs reached through vendors 1

Knock does not list these model providers. Vendors on its list name them on their own subprocessor lists.

SpaceXAIthroughCloudflare

Named on vendor websites 1

These vendors name Knock as a customer on their own website. They are not on Knock’s subprocessor list.

GitHub

Changes

Mar 5, 2026 to Nov 10, 2026Source

Added 1

PostHog

Earlier lists

Mar 5, 202618 vendors

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