Transparent data provenance
Where CoinWharf gets its numbers
Six upstream API providers with 25 configured request URLs. These are integration counts, not a guarantee that every live feed is healthy.
API inventory
| Provider | URLs | Role | Reference |
|---|---|---|---|
| CoinGecko | 1 | AUD market prices | Source |
| BTC Markets | 8 | AUD order books + withdrawal fees and asset settings | Source |
| Independent Reserve | 7 | AUD order books + BTC withdrawal fees | Source |
| CoinJar Exchange | 6 | AUD order books | Source |
| mempool.space | 2 | Bitcoin transaction fee estimates and mempool demand | Source |
| Alternative.me | 1 | Crypto Fear & Greed Index (context only) | Source |
Data refresh: exchange books and CoinGecko market snapshot approximately every five minutes; Bitcoin mempool and fee data every 30 minutes; sentiment at most every 12 hours; withdrawal fees checked hourly. Site views normally use cached data. Source permissions, API availability and deployment credentials require independent verification.
Source freshness
CoinGecko top-100 snapshot: Unavailable or older than 15 minutes · 31 Oct 2026, 1:10 am.
AUD exchange books: 0 fresh / 18 configured; 18 missing or stale. Data freshness measures cached snapshots, not whether a trade can fill.
Bitcoin network feed: Stale or missing. Sentiment feed: Stale or missing.
Bitcoin network fee estimator
Unlike an exchange withdrawal fee, these are approximate fees for broadcasting your own native-Bitcoin transaction. Your transaction size is not necessarily 140 virtual bytes. Exchange withdrawal fees are set by the exchange and can differ.
Fresh network-fee estimates are unavailable. We will not guess a fee.
Source: mempool.space. Fee rates are estimates, not guaranteed confirmation times or exchange charges.
Crypto market sentiment
No recent sentiment value is available.
Source: Alternative.me Fear & Greed Index. This is market-wide sentiment, not a recommendation or trading signal. Data provided with source attribution.