We accept all major credit cards (Visa, MasterCard, American Express), PayPal, and bank transfers for annual plans. All payments are processed securely through our payment processor.

Yes, you can upgrade or downgrade your plan at any time. When you upgrade, you'll get immediate access to the new features, and we'll prorate the difference in cost. Downgrades will take effect at your next billing cycle.

Yes! We offer a 14-day free trial for all our paid plans. No credit card is required to start your trial. You'll have full access to all features during the trial period.

Our API allows you to integrate AskCalio directly into your applications. Professional plan includes limited API access (10,000 requests/month), while Business plan offers unlimited API access. We provide comprehensive documentation and SDKs for popular programming languages.

If you exceed your monthly question limit, you'll have the option to purchase additional question packs or upgrade your plan. We'll notify you when you're approaching your limit so you can take action.