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/api/explorer/address/:addr
GETDown

Bitcoin address summary

Bitcoin address summary (balance, tx count)

GET/api/explorer/address/:addr
Partial coverage. The upstream chain-data source is not reachable from our servers at the moment, so this endpoint returns 503. It stays listed so integrations do not break silently; the probe on the status page shows when it recovers.
Down. The last probe failed (HTTP 503)

Request

Query parameters

NameTypeRequiredDefaultAllowed valuesDescription
addr pathstringRequired——Bitcoin address; 400 on bad format. Example: 34xp4vRoCGJym3xR7yCVPFHoCNxv4Twseo

Parameters marked “path” are part of the URL.

Example request

curl -s "https://www.coinboss.com/api/explorer/address/34xp4vRoCGJym3xR7yCVPFHoCNxv4Twseo"

Response fields

The field table is generated from real responses, so it lists exactly what the endpoint returns. Paths use a[] for array items and {*} for objects keyed by a dynamic name such as a coin or an exchange.

FieldTypeUnitDescription
successboolean—true when the request succeeded. On failure the body is `{ success: false, code, error, request_id }`.
cachedboolean—`true` when the response came from cache.
dataobject—Payload.
data.addressstring—On-chain address.
data.balance_satnumbersatConfirmed balance = received − spent.
data.funded_satnumbersatTotal value received in confirmed transactions.
data.spent_satnumbersatTotal value spent in confirmed transactions.
data.tx_countnumbercountNumber of confirmed transactions.
data.chain_statsobject—Totals for confirmed transactions of this address.
data.chain_stats.funded_txo_countnumbercountNumber of outputs received.
data.chain_stats.funded_txo_sumnumbersatTotal value received.
data.chain_stats.spent_txo_countnumbercountNumber of outputs spent.
data.chain_stats.spent_txo_sumnumbersatTotal value spent.
data.chain_stats.tx_countnumbercountNumber of transactions.
data.mempool_statsobject—Totals for unconfirmed (mempool) transactions of this address.
data.mempool_stats.funded_txo_countnumbercountNumber of outputs received.
data.mempool_stats.funded_txo_sumnumbersatTotal value received.
data.mempool_stats.spent_txo_countnumbercountNumber of outputs spent.
data.mempool_stats.spent_txo_sumnumbersatTotal value spent.
data.mempool_stats.tx_countnumbercountNumber of transactions.

Generated 2026-11-11 23:01 UTC from 1 real responses.

Example response

/api/explorer/address/34xp4vRoCGJym3xR7yCVPFHoCNxv4Twseo · Real response captured 2026-11-13 02:29:08 UTC.

  • {
    • "success": true,
    • "cached": false,
    • "data": {
      • "address": "34xp4vRoCGJym3xR7yCVPFHoCNxv4Twseo",
      • "balance_sat": 24859759296803,
      • "funded_sat": 119037530223411,
      • "spent_sat": 94177770926608,
      • "tx_count": 5598,
      • "chain_stats": { … 5 },
      • "mempool_stats": { … 5 }
      }
    }

Details

Authentication
None. Public endpoint.
Rate limit
1200 requests per minute per IP
Server cache
60s
Edge micro-cache
10s
Update frequency
real time (180 s in-memory cache)
Window
latest snapshot
Data sources
Live Bitcoin chain data proxied at request time from public Esplora-compatible block explorer APIs.
Exchange coverage
Bitcoin mainnet only.
Units
satoshis (balance, funded, spent); transaction count
Method
balance = funded outputs - spent outputs (confirmed chain stats).
Timestamps
Unix epoch milliseconds (UTC) unless the field description says otherwise
Response format
json
Stability
Stable

Live status

DownChecked 2026-11-13 03:29:06 UTCHTTP 5031 msSchema not checked

The last probe failed (HTTP 503)

Availability, last 30 days

41.67% of 132 checks passed

Errors

Failed calls share one shape on every endpoint. The full list is on the errors page. Errors and rate limits →

CodeHTTPMeaningWhat to do
INVALID_PARAM400A required parameter is missing or a value is not accepted. `param` names the parameter when it is known.Do not retry unchanged; fix the request.
UNAUTHORIZED401The `CB-API-KEY` header was sent but the key is unknown or revoked. Public data needs no key — drop the header or use a valid key.Do not retry unchanged.
FORBIDDEN403The route is not part of the public API (internal or account-only).Do not retry.
NOT_FOUND404Unknown route, or the requested coin / exchange / fund does not exist.Do not retry; check the path and identifiers against the catalog.
RATE_LIMITED429More requests than the per-minute limit. `Retry-After` gives the seconds to wait.Wait for `Retry-After`, then retry with backoff.
INTERNAL500Unexpected server error. The message is generic by design; quote `request_id` when reporting it.Retry once after a few seconds; report it with the request id if it persists.
UPSTREAM_FAILED503The data source behind this endpoint did not answer in time. No stale or substitute numbers are returned in its place.Retry with backoff; check the status page.
UNAVAILABLE501 / 503The dataset is temporarily not ready (cache warming) or the endpoint has no lawful public source yet.Retry later; the catalog marks endpoints that are unavailable by design.
REQUEST_FAILED200Some older endpoints answer HTTP 200 with `success: false`. Always check `success`, not only the HTTP status.Depends on the message; treat as a failed request.

Try it

GET/api/explorer/address/:addrDown
Parameters

string — Bitcoin address; 400 on bad format.

Request URLhttps://www.coinboss.com/api/explorer/address/34xp4vRoCGJym3xR7yCVPFHoCNxv4Twseo
Choose an endpoint and press “Send request”. The response, headers and timing will appear here.