Reminds me of BlockCypher- they pitch themselves as the "AWS" of blockchains [0], and released an Ethereum API not too long ago [1].

This looks interesting, but we're talking about money here. If you're looking for something similar to this consider a solid infrastructure provider first. We built an app on Coinbase's shoddy early API, only to have it go down in the middle of a YC interview -_-

[0] https://www.blockcypher.com [1] https://www.blockcypher.com/dev/ethereum/#contract-api