
Tutorials and Guides2026-10-242245
OpenCode API Key Expired? Fix It in 3 Steps
Fix OpenCode's expired API key in 3 steps. Check auth.json, proxy errors, and region restrictions.
OpenCodeAPI KeyAuthenticationauth.jsonAPI Troubleshooting
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Fix OpenCode's expired API key in 3 steps. Check auth.json, proxy errors, and region restrictions.

Troubleshoot Codex 403 errors by checking authentication, sandbox networking and web_search settings.

Fix Cursor and Codex API errors with clear checks for Base URLs, API keys, model IDs, and multi-model gateways.
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