Did you know that Meraki WiFi has a built in coupon system? https://documentation.meraki.com/MR/MR_Splash_Page/Configuring_a_Prepaid_Card_Billing_SSID The most common deployment I do is the "fast pre-paid", because it doesn't require the billing engine. You can use coupon codes without needing anything else. https://documentation.meraki.com/MR/MR_Splash_Page/Customizing_Splash_Pages_for_Fast_Prepaid_Card_Billing_SSIDs
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