Documentation

Get up and running fast.

Everything you need to set up Custos AI for your team. From connecting your first API key to managing budgets and team access.

Getting started

Create your account, set up your workspace, and send your first message in under 5 minutes.

Connecting API keys (BYOK)

Add your own API keys from OpenAI, Anthropic, Google and Mistral. Custos never charges margin.

Budget limits & cost protection

Set monthly spending limits per user. Automatic alerts at 50%, 80% and 100%. Access blocked at limit.

Team management

Invite members, assign roles, control which LLM providers each team member can access.

Billing & plans

Manage your subscription, upgrade or downgrade your plan, and understand your invoice.

GDPR & security

Everything about data processing, your DPA, sub-processors, and security measures.

Cannot find what you are looking for?

Our support team responds within one business day.