# Get an instance of GithubAPI based on the next available token.
	#
	# If no token is found, return an api based on the last exhausted token.
	fun api: GithubAPI do
		var token
		if tokens.is_empty then
			logger.warn "No tokens, using `get_github_oauth`"
			token = get_github_oauth
		else
			token = get_next_token
			var tried = 0
			while not check_token(token) do
				if tried >= tokens.length - 1 then
					logger.warn "Exhausted all tokens, using {token}"
					break
				end
				tried += 1
				token = get_next_token
			end
		end
		var api = new GithubAPI(token)
		api.enable_cache = true
		return api
	end