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I've been looking to run lightning node myself in a RaspberryPI, but most of them require the user to run a full bitcoin node.
Is there a way to avoid that, and if possible use mempool.space API's as a replacement for Bitcoin node
You are still talking about many different things without understanding how these things works.
most of them require the user to run a full bitcoin node.
A desktop LN node cannot run without a full bitcoin node! Yes, nevertheless there are LN nodes that can run with a remote full bitcoin node, as I just mention to you (but seems you do not pay attention): Blixt, Breez, Electrum, SBW. But those are mobile LN nodes, except Electrum and Blixt (Mac) that are also desktop light LN nodes.
use mempool.space API's as a replacement for Bitcoin node
mempool have nothing to dowith replacement of a bitcoin node. mempool READS the data from a bitcoin node. And is not really necessary to run it.
Man, you really have to read more about how nodes and LN nodes works. Start here, read every day something new: bitcoin.page lightning.how darthcoin.substack.com
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Sorry, I was confused with a few stuff in LN.
Thanks for your patience
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Patience is key. I don't mind answering your questions, but is good when you have a good base of knowledge (no need for advanced one), from where you can ask specific questions. Otherwise we have to start from the beginning explaining and that will be quite wasting time, when there's so much documentation out there to read.
Read, learn the base and start slowly advancing.
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