Developer: OpenAI platform keeps rejecting API credit purchases with valid cards

speedywilfork · reddit · 2026-09-15

A developer reports that across six recent client project accounts, OpenAI's platform consistently refuses API credit purchases: signup and ChatGPT credit purchases with the same card work fine, but adding API credits fails with "Cannot add credits with this card at this time." Multiple cards were tried, all denied, and repeated error reports went nowhere — a recurring billing/fraud-control pain point for developer workflows.

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