Robuta

https://getblock.io/nodes/btc/
Connect to Bitcoin blockchain via reliable RPC endpoints. Build and scale your crypto apps with GetBlock
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https://www.gomaestro.org/
Maestro offers fast, reliable Bitcoin RPC, UTXO indexing, mempool monitoring, and event APIs built for scaling DeFi apps and Bitcoin-native protocols.
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https://github.com/priiduneemre/btcd-cli4j/
A simple Java wrapper around Bitcoin Core's JSON-RPC (via HTTP) interface - priiduneemre/btcd-cli4j
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https://getblock.io/nodes/bch/
Instant access to Bitcoin Cash (BCH) RPC node. Connect to Web3 Bitcoin Cash nodes to retrieve blocks, transactions and other blockchain data using GetBlock API
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https://getblock.io/blog/bitcoin-rpc-api-methods-guide-how-to-find-deposit-in-blockchain/
Jan 16, 2024 - GetBlock demonstrates the process of finding the data about Bitcoin transactions via RPC API in this step-by-step guide on RPC node basics
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https://getblock.io/nodes/btg/
Instant access to Bitcoin Gold (BTG) RPC node. Connect to Web3 Bitcoin Gold nodes to retrieve blocks, transactions and other blockchain data using GetBlock API
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