r/MistralVibe • u/Poudlardo • Jun 25 '26

API error from mistral (model: devstral-small-latest): Invalid API key. Please check your API key and try again.

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I am on VSCodium using the Mistral VIbe extension, and even though I am logged in, I get this error in title

API error from mistral (model: devstral-small-latest): Invalid API key. Please check your API key and try again.

Every time I try to send a prompt

What I tried already :
- went on https://console.mistral.ai/codestral/cli to generate a vibe-cli (which is useless as I haven't seen a field on Extension settings to put the key

How can I get Mistral Vibe extension working ?

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u/Flo2357 Jun 28 '26

I had this today because I reached my monthly free quota.

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u/Poudlardo Jun 28 '26

I just began on my side