API explorer

Pick an endpoint, fill in parameters, send. Requests run on our server through the real API, with your own key when you are logged in or without a key on the free tier. No key ever reaches the page.

Request

curl -s -H "X-Blockmetric-Access: public" \
  "https://api.blockmetric.io/v1/candles/BTC?tf=1h"

Try it

EndpointPrice candles (OHLC) of a Hyperliquid coin, oldest first. Live buckets come from 30-second Hyperliquid mark samples (price: "mark", no volume); history before that from trade candles (Binance perpetual for coins listed there, else Hyperliquid) with volume (volumeUsd = quote volume where the venue reports it, volumeBase in Hyperliquid units, volumeVenue). Gaps stay gaps; complete: false marks a bucket with missing samples or the one still forming. from is clamped to the plan history, to to now minus the feed delay. Licence review: candles made only of Binance trades are left out (gaps) and mixed ones lose the Binance volume; coins without a Hyperliquid market answer 403 source_restricted (meta.restricted).

coin * string

tf string

from string

to string

limit integer

fields string

format string

Keyless free tier: 24 h of history, a few requests a minute per address.

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Choose an endpoint, fill in parameters and send. The response appears here with its status, headers and timing.

Parameters, response fields and a real example of every endpoint: API reference.