Bitcoin

Bitcoin Core JSON-RPC Interface

See RPC documentation here for details on specific methods: https://developer.bitcoin.org/reference/rpc/

Key Detail	Value
Endpoint URL	https://rpc.rebarlabs.io/bitcoin
Protocol	JSON‑RPC 2.0 over HTTPS
Auth	X-Api-Key: <API‑KEY> header

Supported Methods

Method	Purpose (one‑liner)
getbestblockhash	Return the hash of the chain tip.
getblockcount	Current height of the best blockchain.
getblockhash	Block hash for a specified height.
getblockheader	Retrieve a block header in hex or JSON.
getdifficulty	Current network difficulty target.
getchaintips	List all known chain tips (main & forks).
getchaintxstats	Aggregate transaction statistics over recent blocks.
getmempoolinfo	Overview of mempool size, bytes, and usage limits.
getmempoolentry	Detailed stats for a specific mempool transaction.
gettxout	Info about an unspent output (txid, vout).
gettxoutsetinfo	Global statistics for the current UTXO set.
verifytxoutproof	Validate a Merkle proof produced by gettxoutproof.
gettxoutproof	Create a Merkle proof for one or more txids.
estimatesmartfee	Fee‐rate estimate needed for confirmation in N blocks.
getindexinfo	Status of optional indexes (txindex, addrindex, etc.).
getnetworkinfo	Version, peers, services, and relay fee details.
getblock	Full block data by hash or height (raw or decoded).
getblockstats	Per‑block statistics (fees, size, inputs/outputs, etc.).
getrawtransaction	Raw or decoded transaction by txid.
sendrawtransaction	Broadcast a raw transaction to the network.
testmempoolaccept	Check if a transaction would be accepted (dry‑run).