Anthropic API Overloaded Error (529)

Resolved 💬 19 comments Opened Jul 15, 2025 by ideook Closed Jul 16, 2025

Bug Description
API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}})

Environment Info

  • Platform: darwin
  • Terminal: cursor
  • Version: 1.0.51
  • Feedback ID: 65c8cf65-f891-40d9-8024-7d59c501689d

Errors

[{"error":"Error: Command failed: security find-generic-password -a $USER -w -s \"Claude Code\"\nsecurity: SecKeychainSearchCopyNext: The specified item could not be found in the keychain.\n\n    at genericNodeError (node:internal/errors:983:15)\n    at wrappedFn (node:internal/errors:537:14)\n    at checkExecSyncError (node:child_process:892:11)\n    at execSync (node:child_process:964:15)\n    at eD (file:///Users/dukhyunlee/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:712:4489)\n    at file:///Users/dukhyunlee/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:624:13989\n    at Q (file:///Users/dukhyunlee/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:526:14406)\n    at QF (file:///Users/dukhyunlee/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:624:13129)\n    at cC (file:///Users/dukhyunlee/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:624:11995)\n    at qB (file:///Users/dukhyunlee/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:624:16609)","timestamp":"2025-07-15T14:08:11.923Z"},{"error":"Error: Command failed: security delete-generic-password -a $USER -s \"Claude Code\"\nsecurity: SecKeychainSearchCopyNext: The specified item could not be found in the keychain.\n\n    at genericNodeError (node:internal/errors:983:15)\n    at wrappedFn (node:internal/errors:537:14)\n    at checkExecSyncError (node:child_process:892:11)\n    at execSync (node:child_process:964:15)\n    at eD (file:///Users/dukhyunlee/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:712:4489)\n    at RlA (file:///Users/dukhyunlee/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:624:15101)\n    at MlA (file:///Users/dukhyunlee/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:624:14975)\n    at WQA (file:///Users/dukhyunlee/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2134:2567)\n    at w21.startOAuthFlow (file:///Users/dukhyunlee/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2134:3733)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)","timestamp":"2025-07-15T14:08:33.141Z"},{"error":"Error: Command failed: security find-generic-password -a $USER -w -s \"Claude Code\"\nsecurity: SecKeychainSearchCopyNext: The specified item could not be found in the keychain.\n\n    at genericNodeError (node:internal/errors:983:15)\n    at wrappedFn (node:internal/errors:537:14)\n    at checkExecSyncError (node:child_process:892:11)\n    at execSync (node:child_process:964:15)\n    at eD (file:///Users/dukhyunlee/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:712:4489)\n    at file:///Users/dukhyunlee/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:624:13989\n    at Q (file:///Users/dukhyunlee/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:526:14406)\n    at QF (file:///Users/dukhyunlee/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:624:13129)\n    at cC (file:///Users/dukhyunlee/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:624:11995)\n    at qB (file:///Users/dukhyunlee/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:624:16609)","timestamp":"2025-07-15T14:08:33.388Z"}]

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19 Comments

abaterab2b · 1 year ago

Same issue here, getting repeated API Error (529 "type":"overloaded_error") responses while using Claude Code from the terminal on Ubuntu 24.04.

The retries escalate but eventually all fail due to overload. This started happening about 30 minutes ago and is blocking my work.

Would be great to know if there’s an ETA for resolution or any recommended workaround in the meantime.

TanmayKumar-EngStud · 1 year ago

duplicate of https://github.com/anthropics/claude-code/issues/3551, please subscribe to #3551 issue and close this issue if possible.

aviral-odido · 1 year ago

same issue API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 19 seconds… (attempt 6/10)

omayhemo · 1 year ago

same, right now it's persistently down and barely working at all.

RonanZimmermann · 1 year ago

I get this in code claude. Support did not solve the issue for me. They recommended logout and login.

ghost · 1 year ago

thank you for the reports - this should be resolved now

Friedjof · 1 year ago

I’m still getting this 529 error. Is there a new version available? Is this issue on the client side?

jeffcovey · 1 year ago
thank you for the reports - this should be resolved now

It’s not resolved at all. Still timing out this morning.

sammiykay · 1 year ago

⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 1 seconds… (attempt 1/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 1 seconds… (attempt 2/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 2 seconds… (attempt 3/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 4 seconds… (attempt 4/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 8 seconds… (attempt 5/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 19 seconds… (attempt 6/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 39 seconds… (attempt 7/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 37 seconds… (attempt 8/10)

mareks76 · 1 year ago

Getting this on and off. Anyone found a solution?

RyanMurphy3 · 1 year ago

Issue persists for me too

jamviking · 1 year ago

⎿ API Error (Request timed out.) · Retrying in 1 seconds… (attempt 1/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 1 seconds… (attempt 2/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 2 seconds… (attempt 3/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 4 seconds… (attempt 4/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 8 seconds… (attempt 5/10)
⎿ API Error (Request timed out.) · Retrying in 16 seconds… (attempt 6/10)
⎿ API Error (Request timed out.) · Retrying in 35 seconds… (attempt 7/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 40 seconds… (attempt 8/10)
⎿ API Error (Request timed out.) · Retrying in 38 seconds… (attempt 9/10)
⎿ API Error (Request timed out.) · Retrying in 32 seconds… (attempt 10/10)
⎿  API Error: 529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}

ckix · 1 year ago

⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 1 seconds… (attempt 1/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 1 seconds… (attempt 2/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 2 seconds… (attempt 3/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 5 seconds… (attempt 4/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 10 seconds… (attempt 5/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 19 seconds… (attempt 6/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 39 seconds… (attempt 7/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 34 seconds… (attempt 8/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 39 seconds… (attempt 9/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 38 seconds… (attempt 10/10)

Yup, Claude MAX subscription and no difference.

sammiykay · 1 year ago

i think the reason why we're getting this message is becuase the files in the current path the claude ai is, is too much so it can't handle it

jontolof · 12 months ago

Yes, this is still a super annoying problem. For me it started after I upgraded to the Max plan as well. I haven't had the issue prior. I get it while using Claude Code.

API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 1 seconds… (attempt 1/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 1 seconds… (attempt 2/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 2 seconds… (attempt 3/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 4 seconds… (attempt 4/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 8 seconds… (attempt 5/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 17 seconds… (attempt 6/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 38 seconds… (attempt 7/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 39 seconds… (attempt 8/10)
⎿ API Error (529 {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"}}) · Retrying in 32 seconds… (attempt 9/10)

hexiaoou · 12 months ago

Same here. Starting about 30min before.

Friedjof · 12 months ago

It appears that the API is occasionally overloaded and therefore unable to process requests. As a result, one simply needs to exercise some patience.

omayhemo · 11 months ago
It appears that the API is occasionally overloaded and therefore unable to process requests. As a result, one simply needs to exercise some patience.

"It appears" that this is a daily transgression, Anthropic is in over their heads and my team and I are fed up with it.

github-actions[bot] · 11 months ago

This issue has been automatically locked since it was closed and has not had any activity for 7 days. If you're experiencing a similar issue, please file a new issue and reference this one if it's relevant.