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Google

invalidAltValue — Invalid alt Value

The 'alt' parameter value specifies an unknown or unsupported output format.

Riposte solution

The alt parameter (response format) in your Google API request is set to an unsupported value. Google APIs typically support alt=json or alt=media for downloads. If you're specifying alt via Riposte (uncommon), use a valid value like json. Adjust the parameter and try again.

Quick facts

Provider
Google
Endpoint / surface
Google API (global)
Status code
400

Why it happens

Unsupported value provided for 'alt' (response format)

How to fix it

Use a valid 'alt' parameter value (e.g. json)