LEGAL · SUB-PROCESSORS

Sub-processors

The providers that help operate Keisan, secure the service, host infrastructure, bill customers, and generate estimates.

LAST UPDATED · JUNE 23, 2026

01

Overview

This page lists the third-party providers that process customer data to help Jishu Labs operate Keisan. For each provider we describe the purpose of processing and the region where processing primarily takes place.

02

Current Sub-processors

SupabaseAuthentication, PostgreSQL database, and application storage for briefs and estimates.United States
StripeSubscription billing and payment processing for Pro plans.United States
AnthropicAI model processing to generate estimates from your briefs.United States
OpenAIAI model processing to generate estimates from your briefs.United States
NetlifyHosting, deployment, edge delivery, and production web infrastructure.United States
ResendTransactional email such as account and security notices.United States
03

Data Categories

Depending on which features you use, sub-processors may process account identifiers, email addresses, submitted briefs, generated estimates, billing metadata, usage data, logs, and support context needed to provide the Service.

04

No Model Training

Briefs and generated estimates sent to our AI sub-processors are used only to produce your results. They are not retained for, or used to train, the providers' foundation models.

05

Changes to Sub-processors

We may update this list as the Service evolves. Material changes will be reflected on this page and, where required by an applicable customer agreement, communicated through the agreed notice process.

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