claude-code - 💡(How to fix) Fix [Bug] Anthropic API Error: Third-party app usage billing despite remaining plan quota [3 comments, 3 participants]

[{"error":"Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"Third-party apps now draw from your extra usage, not your plan limits. We've added a $100 credit to get you started. Claim it at claude.ai/settings/usage and keep going."},"request_id":"req_011CZqjHV8VqcCnagjBsZSu6"}\n at F9.generate (file:///Users/iyeongseol/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:510:11051)\n at OT.makeStatusError (file:///Users/iyeongseol/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:857:2195)\n at OT.makeRequest (file:///Users/iyeongseol/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:857:5420)\n at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n at async SW9.d71.model (file:///Users/iyeongseol/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:4593:6345)\n at async d71 (file:///Users/iyeongseol/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:1346:19540)\n at async SW9 (file:///Users/iyeongseol/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:4593:6499)\n at async file:///Users/iyeongseol/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:4591:3799\n at async d00 (file:///Users/iyeongseol/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:1007:2037)\n at async zHA (file:///Users/iyeongseol/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:4591:3769)","timestamp":"2026-04-08T05:11:41.119Z"}]

TL;DR

The error message suggests claiming the $100 credit at claude.ai/settings/usage to resolve the third-party usage error, despite no third-party apps being used.

Guidance

• Review the account settings at claude.ai/settings/usage to ensure the $100 credit has been properly claimed and applied.
• Verify that there are no hidden or unknown third-party apps connected to the account that could be drawing from the extra usage.
• Check the usage percentage (currently at 7%) to see if it changes after claiming the credit or disconnecting any potential third-party apps.
• Consider reaching out to support for further clarification on what triggered the error, as the user claims no third-party apps have been used.

Notes

The error message implies that the issue is related to the new policy of third-party apps drawing from extra usage, but the user's claim of never using third-party apps contradicts this. Further investigation is needed to resolve the discrepancy.

Recommendation

Apply the workaround by claiming the $100 credit and reviewing account settings, as this is the explicit suggestion provided in the error message, despite the user's confusion about the cause.