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Objet : Private API Call returns "Unauthorized" despite valid key, correct headers, and successful deployment

calendar_today July 25, 2026 person Hakim Boubeker domain flutterflow

i have a Private API Call (“Claudechat”) configured to call the Anthropic API (Claude), POST to https://api.anthropic.com/v1/messages [https://api.anthropic.com/v1/messages]. Headers configured: x-api-key, anthropic-version: 2023-06-01, …

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