xai-console-vs-x-developer-portal-are-separate-platforms

console.x.ai (xAI Console) and developer.x.com (X Developer Portal) are completely different platforms with separate credentials. The xAI API key from the console enables Grok/xAI endpoints only. X API v2 Bearer Token and OAuth 2.0 Client ID must be obtained from the X Developer Portal. Using the xAI key for X API v2 calls will fail.

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