Fix v3 endpoints

[nkl-kst]

Added

• Trigger a notice if free API key is used

Fixed

• Updated free API key to "3"

[coveralls]

Pull Request Test Coverage Report for Build 3993947437

• 2 of 2 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 3993524278:	0%
Covered Lines:	387
Relevant Lines:	387

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💛 - Coveralls