Recommended price api for BTC,LTC,ETH & BCH

[leftover_potato]

Hi guys,

As per above, would like to know what are the best api's in town that you can recommend? I'm open to pay for such services provided that they are stable and able to support the above 4 currencies.

Would prefer price change around 30 sec instead of like coindesk's 5 minutes.

Thank you!

[loicuagio1979]

I think your offer lacks of too much information
1. What kind of API do you really wanna? you just required stable and 30s updating
2. You buy API to use yourself or for a group of traders? As for me, if you just wanna use API yourself, you can't afford it
3. Which package would you prefer? A month, a quarter, 6 months, 1 year or more?

If you trade in Coindesk Exchange, why don't you guy ask them directly for soft instead of API, lol