CHARTS API

Retrieve historical OHLCV price bars for supported symbols. This endpoint costs 0.0004 USD per settled request.

GET /bars

Attribute	Value
Method	GET
Description	Returns price bars between two timestamps at a specified resolution.
Settlements	/, /solana, /base
Price	0.0004 USD

Query parameters

Name	Type	Required	Notes
symbol	string	yes	Symbol code (for example BTC, ETH).
from	integer	yes	Unix timestamp (seconds) marking the inclusive start of the window.
to	integer	yes	Unix timestamp (seconds) marking the exclusive end of the window. Must be greater than from.
resolution	string	yes	Resolution such as 1, 5, 15, 60, 240, 1D, 1W, 1M.
removeLeadingNullValues	boolean (string)	no	true to strip leading null entries. Defaults to false.

Example request

curl -G "$NEURA_BASE_URL/bars" \
  --data-urlencode "symbol=BTC" \
  --data-urlencode "from=1705200000" \
  --data-urlencode "to=1705286400" \
  --data-urlencode "resolution=1D" \
  -H "Accept: application/json" \
  -H "X-402-Invoice: $INVOICE" \
  -H "X-402-Payment-Proof: $PROOF"

Response snapshot

{
  "success": true,
  "data": {
    "bars": [
      { "t": 1705200000, "o": 45780.1, "h": 46200.4, "l": 45210.6, "c": 45950.2, "volume": 12876.44 },
      { "t": 1705286400, "o": 45950.2, "h": 46500.1, "l": 45580.3, "c": 46210.6, "volume": 14210.12 }
    ],
    "symbol": "BTC",
    "resolution": "1D",
    "from": 1705200000,
    "to": 1705286400,
    "lastUpdated": "2025-01-15T13:00:00.000Z"
  },
  "timestamp": "2025-01-15T13:00:00.250Z"
}

Validation tips

• from and to must parse as integers; fractional or non-numeric values return 400.

• Neura enforces from < to. Reversed timestamps trigger a validation error.

• Avoid large window sizes at fine resolutions to reduce payload size; fetch multiple windows if needed.

See the Data Schemas section for field descriptions.