The Tokengateway API ...
[API to send and receive Ethereum ERC20 tokens and ethereum. Also there are functions to get balances and information on tokens. The API works with all ERC20 tokens by default, there is no need to request new tokens.
Tokengateway is an API for sending and receiving ALL ERC20 tokens and ethereum. This is giving a lot of opportunities to developers in the blockchain business. Some examples: Distributing airdrop tokens of an ICO, let users withdraw and deposit an own token, convert a virtual currency to a tradeable token.