Fetching artifact comments now distinguishes retryable failures, such as network errors, HTTP 429/5xx, or relay-unavailable responses with certain statuses, from other failures via an explicit retryable flag, and honors a Retry-After header when present, instead of returning a generic failure uniformly.
Names in the bundleRetry-After
The entry above is what we published on the day. These lines were added later, as Anthropic's own pages caught up, and they sit beside the original rather than replacing it.
Confirmed since
Anthropic's documentation has since written up Retry-After, on routines-fire.
| 429 | `rate_limit_error` | An hourly fire limit for the routine or the account has been reached. The response includes a `Retry-After` header indicating when the window resets. |api/claude-code/routines-fire see the edit
One source agreesOne thing we can check says the same as this entry.
Anthropic's documentation agrees
Anthropic's documentation has since written up Retry-After, on routines-fire.