The best alternatives to Maki are Tech.eu Radar, GetBlock, and Toshi. If these 3 options don't work for you, we've listed a few more alternatives below.
GetBlock is a service that provides users with instant API access to RPC nodes of 50+ leading blockchain protocols, including BNB Smart Chain, Ethereum, MATIC and Solana, among others.
Since 2019, the mission of GetBlock is to ensure cost-effective tools and infrastructure that will help enterprises and individual developers to build high-quality blockchain applications faster. The service allows you to request on-chain information from a node without the need to set up one manually.
RPC Fast is a geo-distributed high-available endpoint for blockchain that works as a node-as-a-service providing your project with the fastest access and the best network characteristics.