Zed Claude Errors — 401, 429, 529, Custom api_url
Zed's assistant passes Anthropic responses through nearly verbatim, so the error text you see is the API's own. What is specific to Zed is where the key and the custom api_url live in settings.json — most persistent failures trace back to those two fields.
| Error | Meaning |
|---|---|
{"type":"error","error":{"type":"authentication_error","message"… | Zed's assistant passes the Anthropic 401 invalid x-api-key through verbatim. Where the key and api_url live in Zed settings and why they must come from the same issuer. |
{"type":"error","error":{"type":"rate_limit_error","message":"Th… | A 429 in Zed's assistant is the per-minute ceiling of the API organization behind your key. Why long threads and shared keys trigger it and what clears it. |
{"type":"error","error":{"type":"overloaded_error","message":"Ov… | Zed shows the Anthropic 529 Overloaded verbatim when upstream capacity is saturated. Why your settings are not the cause and what to do while it lasts. |
zed custom anthropic api url | How to point Zed's Anthropic provider at a custom endpoint with language_models.anthropic.api_url, and why appending /v1 produces 404s from a doubled path. |
Zed Claude 401 invalid x-api-key — Anthropic Settings Fix
Zed's assistant passes the Anthropic 401 invalid x-api-key through verbatim. Where the key and api_url live in Zed settings and why they must come from the same issuer.
Zed Assistant 429 rate_limit_error — Fix
A 429 in Zed's assistant is the per-minute ceiling of the API organization behind your key. Why long threads and shared keys trigger it and what clears it.
Zed: 529 Overloaded From Claude — What To Do
Zed shows the Anthropic 529 Overloaded verbatim when upstream capacity is saturated. Why your settings are not the cause and what to do while it lasts.
Zed api_url for Anthropic — Custom Base URL Setup and the /v1/v1 404
How to point Zed's Anthropic provider at a custom endpoint with language_models.anthropic.api_url, and why appending /v1 produces 404s from a doubled path.