Troubleshooting of Google Gemini: Difference between revisions

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Resolving "Model not found for API version v1beta" Error with Gemini API
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(Resolving "Model not found for API version v1beta" Error with Gemini API)
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Solution
Solution
* The parameter "responseSchema" could not be an empty array
* The parameter "responseSchema" could not be an empty array
=== Resolving "Model not found for API version v1beta" Error with Gemini API ===
Error Details
<pre>
{
  "error" : {
    "code" : 404,
    "message" : "models/gemini-2.0-flash-exp-image is not found for API version v1beta, or is not supported for generateContent. Call ListModels to see the list of available models and their supported methods.",
    "status" : "NOT_FOUND"
  }
}
</pre>
Problematic Command
<pre>
curl "https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash-exp-image:generateContent" \
  -H 'Content-Type: application/json' \
  -H 'X-goog-api-key: GEMINI_API_KEY' \
  -X POST \
  -d '{
    "contents": [
      {
        "parts": [
          {
            "text": "Generate an image of a cute baby turtle in a 3d digital art style"
          }
        ]
      }
    ]
  }'
</pre>
Affected Model: gemini-2.0-flash-exp-image-generation
Troubleshooting Steps:
<pre>
# Set your API key
API_KEY="YOUR_API_KEY_HERE"
echo "Retrieving available Gemini models..."
curl -s "https://generativelanguage.googleapis.com/v1beta/models" \
  -H "X-goog-api-key: $API_KEY" | jq -r '.models[] | select(.name | contains("gemini")) | {name: .name, supportedGenerationMethods: .supportedGenerationMethods}'
</pre>
Expected Output
<pre>
{
  "name": "models/gemini-2.0-flash-exp-image-generation",
  "supportedGenerationMethods": [
    "generateContent",
    "countTokens",
    "bidiGenerateContent"
  ]
}
</pre>
Issue Identified: Incorrect model name used. The valid model name is "models/gemini-2.0-flash-exp-image-generation", not "models/gemini-2.0-flash-exp-image"
Fixed Command
<pre>
curl "https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash-exp-image-generation:generateContent" \
  -H 'Content-Type: application/json' \
  -H 'X-goog-api-key: GEMINI_API_KEY' \
  -X POST \
  -d '{
    "contents": [
      {
        "parts": [
          {
            "text": "Generate an image of a cute baby turtle in a 3d digital art style"
          }
        ]
      }
    ]
  }'
</pre>


== Further reading ==
== Further reading ==

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