Expired50% confidenceCautionExact time
Claude Code needs to connect to a specific model service via an API Key, and failure to configure ANTHROPIC_API_KEY and related settings will cause the first conversation to fail.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/14/2026
First Seen
Valid until: 10/12/2026(expired)
Sources
Claude Code国内安装完整指南：从零配置到上手使用
Related Claims
UnverifiedAfter installing Claude Code by default, directly chatting may produce an error, typically because the ANTHROPIC_API_KEY environment variable has not been configured or no available model endpoint has been specified.80% similarUnverifiedClaude Code requires an Anthropic API key configuration on first run to complete authentication76% similarUnverifiedAPI Key可直接配置在Claude Code、Cursor等第三方客户端中使用72% similarUnverifiedOnce the free quota for Claude Code is exhausted, users need to configure their own API Key to continue using it.72% similarUnverifiedClaude Code's API key is typically passed via an environment variable, for example by running `export ANTHROPIC_API_KEY=xxx`.71% similar
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