I thought I saw one of the many
blockchain browsers that allowed some of the bitcoind RPC commands like "getinfo" or "getmempoolinfo" through. Basically a public facing bitcoind server. I'm sure that under the covers the RPC calls are proxied and throttled, but I could have sworn one of the big providers was offering this. Don't think it was blockchain.info, but someone.
Any thoughts?
My goal, if you ask, is to work a python script using "estimatefee" and "estimatepriority" to provide some feedback to current mempool transactions.
I doubt you will be lucky with this, since calling bitcoind via rpc kinda locks down the daemon for a short time, if a public service allowed this, well, they'd be unusable due to the sheer amount of calls. Most blockchain browsers probably use a modified bitcoind version that pushes relevant information directly out of bitcoind, rather than having to rely on polling bitcoind. what you can do however is create a slimmed down bitcoind yourself, that just keeps mempool. should require fairly less resources than a full bitcoind but still do the job