Credit sync delays caused false credit-insufficient errors post-purchase — caught devs mid-payment flow
Credit purchase delays resolved
Original: Delays in credit purchases
Importance: 本番環境での請求・認証システムの障害で、複数ユーザーの API 呼び出しが失敗していた即時影響案件
Summary
Anthropic resolved a billing issue where users with zero-balance credits experienced delays in newly purchased credits becoming available on the Claude API. This caused some requests to erroneously receive 'credit balance is too low' errors. The problem affected credits purchased between 05:10am-2:35pm PT (12:10-21:35 UTC) on Sep 1. Newly purchased credits should now be available as expected, with the company working to resolve any remaining impact.
Key Points
- Credit purchases showed delayed availability for zero-balance users
- Affected credits purchased between UTC 12:10-21:35 on Sep 1
- Erroneous 'credit balance too low' errors were returned
- Service restored; legacy error responses being remediated
View developer notes (APIs, breaking changes, migration)
The Claude API's credit management system experienced delayed availability of newly purchased credits for zero-balance users. Affected period: UTC 12:10-21:35 on Sep 1. The delay caused requests to incorrectly receive 'credit balance is too low' errors despite valid purchases. This suggests a transaction synchronization issue between purchase processing and the credit pool update mechanism. Cache invalidation or pool sync cycles have been restored, enabling immediate API usage post-purchase. The company is actively remediating erroneous prior error responses.
Source: https://status.claude.com/incidents/620swtqyn24k
Outlet: Anthropic Status
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