mempool.space
live CryptoBitcoinBitcoin block explorer + mempool / fee stats. Mainnet, testnet, signet, Liquid sidechain. Keyless.
10 tools
0ms auth
free tier 50 calls/day
Tools
recommended_fees Current sat/vB fee recommendations.
Parameters
Name Type Description
network opt string — Try it
Response
mempool_stats Current mempool size / count / total fees.
Parameters
Name Type Description
network opt string — Try it
Response
block_height Current chain tip height.
Parameters
Name Type Description
network opt string — Try it
Response
get_block
required: hash_or_height Block detail by hash or height.
Parameters
Name Type Description
hash_or_height req string — network opt string — Try it
Response
get_transaction
required: txid Transaction detail.
Parameters
Name Type Description
txid req string — network opt string — Try it
Response
get_tx_status
required: txid Confirmation state.
Parameters
Name Type Description
txid req string — network opt string — Try it
Response
get_address
required: address Address summary.
Parameters
Name Type Description
address req string — network opt string — Try it
Response
get_address_transactions
required: address Recent transactions for an address.
Parameters
Name Type Description
address req string — limit opt number — network opt string — Try it
Response
hashrate Hashrate + difficulty history.
Parameters
Name Type Description
period opt string — network opt string — Try it
Response
mining_pools Block share by mining pool.
Parameters
Name Type Description
period opt string — network opt string — Try it
Response
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/mempool-space/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/mempool-space/mcp \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"recommended_fees","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("recommended_fees", {}); ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("bitcoin block explorer + mempool / fee stats");