{address}: Get address information

API: mempool.space:mempool
Endpoint: /address/{address}
Response format: application/json
Auth: none
Method: GET
Last Status: 200
Latency: 144ms

Description

Returns balance and transaction statistics for a Bitcoin address. Includes both confirmed (chain_stats) and unconfirmed/mempool (mempool_stats) data with funded/spent UTXO counts and sums.

From spec: Returns summary statistics for a Bitcoin address.

Usage Tips

- Supports all address types: legacy (1...), P2SH (3...), bech32 (bc1...) - Values are in satoshis (1 BTC = 100,000,000 satoshis) - tx_count includes both incoming and outgoing transactions

Parameters (1)

address (string, path, required)

Bitcoin address

Examples (1)

Get address information for Satoshi's genesis address probe-gate

Demonstrates fetching balance and transaction statistics for a well-known Bitcoin address

curl 'https://mempool.space/api/address/1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa'
import requests

resp = requests.get("https://mempool.space/api/address/1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa")
data = resp.json()
import zingu_apis

api = zingu_apis.api("mempool")
result = api.fetch("address/{address}")

for item in result:
    print(item)
const resp = await fetch("https://mempool.space/api/address/1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa");
const data = await resp.json();

Probe History

Latency

Status Codes

TimeStatusLatencySize
2026-04-16 00:50:14.379789 200 144ms
2026-04-15 00:40:20.165292 200 274ms
2026-04-14 02:54:09.633566 200 143ms
2026-04-12 12:29:04.221980 200 125ms
2026-04-10 04:28:23.741265 200 170ms
2026-04-09 03:09:34.170621 200 156ms
2026-04-08 00:08:44.186030 200 137ms
2026-04-07 00:57:26.776663 200 121ms
2026-04-06 04:59:40.436469 200 403ms
2026-04-05 02:26:39.887216 200 266ms