The best alternatives to Matrix are iotlist, Netbeast API, and Sens'it. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Matrix?
Snowflake Startup Challenge— Win investment & global exposure with Snowflake and NYSE
Discover and order the newest wearable IoT products here. All products are tested and approved by our team. - Fast deliveries - 100% secured payments - 14-day returns, no questions-asked Earn 10% commission on every sale you drive. Signup here. - 100% free - Get paid every month via PayPal