A widespread billing glitch affected numerous OpenAI API developers in July 2025, causing accounts to suddenly show large negative balances despite minimal or no increased usage. If you’ve been hit by this issue, showing charges “dozens of dollars” more than your actual usage, you’re not alone. Community reports indicate some users saw unexpected charges of $165 or more with no corresponding API activity. This comprehensive guide covers everything you need to know about the OpenAI API billing glitch, immediate protective measures, and steps to resolve the issue with OpenAI support.