Some of these routes in WIP (work in progress) and will be mainnet ready very soon :)
Carbon also supports an on-chain coinswap feature!
You will be able to provide the following use-cases for your users:
1: Get real exchange rates for exchanging any arbitrary cryptocurrency for another
2: Create personal deposit addresses for funding per contact
3: Execute an exchange trade
4: Withdrawing to any cryptocurrency address
These four features are combined into a simple end API that you can call.
Weekly limit in swaps per contact - $250 USD unverified contacts, $2500 verified (shared with fiat > crypto and crypto > fiat transactions)
Minimum quote value - $5 USD
Quote token expiration - 60 seconds