Title: Why Am I Ineligible to Participate in the Twitter Ads Program?
Headings: Why Am I Ineligible to Participate in the Twitter Ads Program?
Why Am I Ineligible to Participate in the Twitter Ads Program?
Twitter’s Official Eligibility Restrictions
Fixing the Problem

Content: Your account cannot be caught in a malicious activity. Any of the numerous activities Twitter deems inappropriate can flag your account for removal from the ads program eligibility list, or suspend your account entirely. These include but are not limited to follower churn, spam, DM abuse, and hate speech. Your account payment information and contact information needs to be in good standing. If there’s an issue with your address, like using a PO box instead of a real address, you may not be eligible for ads. They will also prevent you from using ads if there’s an issue with your payment method, like a dispute over your credit card. Some people also report that they have needed a minimum number of followers before they are able to use Twitter ads. I haven’t confirmed this myself, but it’s entirely possible that there’s a small minimum threshold. It’s also possible that it was an artifact of time passing, and the users reporting growth as the trigger were simply coincidental about it. This user specifically says reaching 100+ followers was his trigger, but I have a test account with only 36 followers that has access to ads.