Fix a problem

Find your symptom and the fix, from "my Chirp doesn't answer" to "my embed is blank".

• Fix a problemFind what you're seeing and the guide that fixes it: a Chirp that doesn't answer, a key or model problem, a blank embed, a domain that won't connect, a paused account and more.
• My Chirp says my AI key isn't working or has no creditFix an OpenRouter key that shows Invalid key, Insufficient credits or Connection error, or isn't connected, so your Chirps answer again.
• My Chirp's model isn't offered anymoreWhen OpenRouter stops offering the AI model a Chirp uses, choose another model, save and publish, so the Chirp answers again.
• My AI app can't connect or can't make changesFix Claude, ChatGPT or another AI app when it can't connect to Chirp Builder, asks you to sign in again, or can't build, publish or delete Chirps.
• Visitors see "temporarily unavailable" or a busy messageEvery reason a Chirp shows visitors a message instead of an answer, how to find out which one it is, and how to fix it.
• My website embed is blank or doesn't appearWhy your Chirp's chat doesn't show on your website, stays empty or shows a message instead of chatting, and how to fix each cause.
• Visitors can't get past the access code or sign-inWhat each message on the access code, password and email sign-in cards means, why a visitor is stuck, and what you can check and change.
• My custom domain isn't connectingWhat each status and message on the Custom domains card means, what to fix at your domain provider, and why a connected domain can still show no Chirps.
• A knowledge file won't upload or the Chirp ignores itFix a knowledge file that shows a red message instead of being added, and a Chirp whose answers miss what's in its files.
• An Action fails or the Chirp doesn't use itFind out why an Action fails its tests, why its calls fail in chats, or why the Chirp doesn't use it at all, and fix it.
• I can't publish, or visitors still see the old versionWhy Publish changes, Unlisted or Public is greyed out or refused, what reaches visitors when, and why someone still sees the old version.
• My access is pausedWhat the "Your access is paused" page means, what still works while your account is paused, what others see, and how to reach us.
• A student can't sign in, open a lesson, take a quiz or get a certificateFor students: what the messages on an Academy's pages mean when you can't sign in, get into a course, open a lesson, take a quiz or get your certificate, and what to do.
• My students can't get into a course, or a quiz or certificate isn't workingFor teachers: what your students' messages mean and how to fix each one, from places, requests and course codes to publishing, quiz attempts, certificates and the tutor.