I have having trouble getting my map to work. It keeps saying for development purposes only. How can I fix this? or do I have to create billing account, which I prefer not to.
A darkened map, or ‘negative’ Street View image, watermarked with “for development purposes only” is returned when any of the following is true:
The request is missing an API key.
Billing has not been enabled on your account.
The provided billing method is invalid (for example an expired credit card).
A self-imposed daily limit has been exceeded.
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