RPC nodes connect to networks like Interlay and Kintsugi. Providers like OnFinality and Dwellir offer these services. It's good to have two providers for backup. 
Kintsugi/Interlay Labs are not invoiced against the treasury. 
OnFinality charges the Kintsugi treasury for RPC node provision. 
Dwellir has set up nodes but is not charging the treasury yet. 
OnFinality and Dwellir have shared their proposals for future pricing. 
You can share your opinion in the poll and leave comments.

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