Billing & Plans
6 articles
Understand plan tiers, usage limits, the quality gate, overage billing, and how to manage your subscription.
Plan Comparison Guide
Compare every way to buy Koji credits: pay as you go, one-time packs, Starter, Pro and Scale plans, and Enterprise. Find the right fit for your research needs.
Upgrading Your Plan
Learn how to upgrade, downgrade, or switch billing frequency between Koji's Free, Starter, Pro, Scale, and Enterprise plans.
Understanding Usage & Credits
Learn how Koji's credit system works — what actions cost credits, how limits are tracked, and how to manage your research budget effectively.
How the Quality Gate Works
Understand Koji's quality gate — conversations scoring below 3/5 are completely free and don't consume credits, protecting your research budget.
Running Out of Credits, Explained
Koji has no overage billing. Learn what happens when your credits run out, how to top up with pay as you go or packs, and how the quality gate protects your budget.
Managing Payment Methods
Learn how to update your credit card, view invoices, access the Stripe billing portal, and manage VAT/tax settings on Koji.