The error type is rate_limit_error, the same as for a rate limit, but the response has no retry-after header.
Anthropic Rate Limits → · 2026-09-30T14:49:46.729Z
- * The error type is `rate_limit_error`, the same as for a rate limit, but the response has no `retry-after` header. Retrying, including the SDKs' automatic retries, fails until access resumes. + * The error type is `rate_limit_error`, the same as for a rate limit, but the response has no `retry-after` header. Retrying, including the SDK's automatic retries, fails until access resumes.