OpenAI announced on October 28 that eligible ChatGPT Pro and Business subscribers can claim up to $500 per month in API credits to build apps and agents. The offer came from the company's @OpenAIDevs account, with the eligibility rules set out in an updated Help Center page.

To qualify, a subscriber needs a Pro subscription, or a Business workspace with paid seats, that has been active for at least seven days, and must own the API organization that receives the credits. Availability also depends on the country.

The credits are a subscription perk, not extra ChatGPT capacity. They fund a single linked API organization and do not extend ChatGPT usage or Codex usage on account sign-in, and API billing stays separate from the ChatGPT bill.