FAQCommon questions about pricing, limits, WebSocket, OTP, and the API vs Pro plan.Do credits expire?What happens when I hit my monthly limit?Can I use my own domain?Is there a free trial?How does WebSocket billing work?Can I switch plans mid-cycle?What is the difference between API plan and Pro plan?How do I rotate my API key?Are requests over HTTPS only?What are the per-second limits?What if no OTP is found?Does the Free plan show OTP values?Can I get a custom Enterprise arrangement?Where is the OpenAPI spec?How do I store my API key securely?Changelog