Blockstream Esplora

liveCryptoFinance

Bitcoin block explorer (mainnet + testnet) — blocks, transactions, addresses, mempool, fees. Keyless.

8tools
0msauth
free tier50 calls/day

Tools

tip_height

Current block height of the chain tip.

Parameters
NameTypeDescription
networkoptstring—
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blockrequired: hash_or_height

Block by 64-char hex hash or by height.

Parameters
NameTypeDescription
hash_or_heightreqstring—
networkoptstring—
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transactionrequired: txid

Transaction details by txid.

Parameters
NameTypeDescription
txidreqstring—
networkoptstring—
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tx_statusrequired: txid

Confirmation status for a txid (block_height, block_hash, confirmed).

Parameters
NameTypeDescription
txidreqstring—
networkoptstring—
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addressrequired: address

Address summary (chain + mempool stats).

Parameters
NameTypeDescription
addressreqstring—
networkoptstring—
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address_txsrequired: address

Blockstream.info Esplora API — the most recent Bitcoin transactions touching one address, covering both unconfirmed mempool entries and confirmed ones, on mainnet or testnet. Each transaction returns

Parameters
NameTypeDescription
addressreqstring—
networkoptstring—
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mempool

Mempool size + fee histogram.

Parameters
NameTypeDescription
networkoptstring—
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fee_estimates

Recommended sat/vB by confirmation target.

Parameters
NameTypeDescription
networkoptstring—
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Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash
curl -X POST https://gateway.pipeworx.io/blockstream-info/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash
curl -X POST https://gateway.pipeworx.io/blockstream-info/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"tip_height","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("tip_height", {});
ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("bitcoin block explorer (mainnet + testnet) — blocks, transactions, addresses, mempool, fees");