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How to configure a Reference Rate stream.

What is this endpoint for?

Reference Rates that average the prices over a period of time to determine an average value and daily “close” prices (as crypto is 24/7, "close" prices are always synthetic). They can be used for several use cases, from settlement of derivatives contracts to asset pricing and valuation. More information on the specific rates can be found here.

Endpoints

gRPC

gateway-v0-grpc.kaiko.ovh

http

API (testing)

Request parameters

Parameter	Description	Examples
index_code	The Kaiko Benchmark Reference Rate ticker. You can find a full list of our tickers here or by API here.	KK_BRR_BTCUSD

Requesting multiple tickers at the same time To configure multiple tickers in the same stream, provide the indexCode as a comma-separated list, e.g. KK_PR_BTCUSD,KK_AAVE_USD

Alternatively, use a wildcard by entering a * ,and you'll receive all tickers you have as part of you Kaiko subscription.

Response fields

Field	Description
indexCode	The ticker identifying the rate.
commodity	The type of publication. Either real-time or fixings
interval	The time period in which transaction data are considered for the calculation of the rate. If a rate's calculation methodology has an interval of 15 seconds, startTime and endTime will be separated by 15s.
quote	The quote asset used for the rate denomination.
bases	The list of base assets included in the rate and their weight. For reference rates, this will always be a single asset.
exchanges	The exchanges involved in the computation. This list may change every quarter during the rebalancing period and depending on the new results of the Kaiko Exchange Ranking.
percentages	The different distribution levels included in the price computation.
price	The value of the rate in the quote denomination.
pairs	The list of pairs combined with additional details included in the computation.
tsEvent	The exact time of price publication.
sequenceId	A unique identifier for the publication.
lastIngestTime	The timestamp of the last trade ingested and used in the rate computation.
lastAnomalyIngestTime	The timestamp of the last anomaly detected during ingestion.
fallbackInfo	An object containing fallback information

Request examples

Python

# This is a code example. Configure your parameters below #

from __future__ import print_function
from datetime import datetime, timedelta
import logging
import os
from google.protobuf.timestamp_pb2 import Timestamp
import grpc
from google.protobuf.json_format import MessageToJson
from kaikosdk import sdk_pb2_grpc
from kaikosdk.stream.index_v1 import request_pb2 as pb_index

def index_rate_request(channel: grpc.Channel):
    try:
        with channel:
            stub = sdk_pb2_grpc.StreamIndexServiceV1Stub(channel)
            responses = stub.Subscribe(pb_index.StreamIndexServiceRequestV1(
                index_code = "KK_BRR_BTCUSD"
            ))
            for response in responses:
                # for debug purpose only, don't use MessageToJson in the reading loop in production
                print("Received message %s" % (MessageToJson(response, including_default_value_fields = True)))
    except grpc.RpcError as e:
        print(e.details(), e.code())

def run():
    credentials = grpc.ssl_channel_credentials(root_certificates=None)
    call_credentials = grpc.access_token_call_credentials(os.environ['KAIKO_API_KEY'])
    composite_credentials = grpc.composite_channel_credentials(credentials, call_credentials)
    channel = grpc.secure_channel('gateway-v0-grpc.kaiko.ovh', composite_credentials)
    index_rate_request(channel)

if __name__ == '__main__':
    logging.basicConfig()
    run()

Python (Replay)

cURL

Other examples

Response Example

{
  "result": {
    "indexCode": "KK_BRR_BTCUSD_LDNLF",
    "commodity": "SIC_DAILY_FIXING",
    "interval": {
      "startTime": "2026-03-15T15:55:00Z",
      "endTime": "2026-03-15T16:00:00Z"
    },
    "quote": "usd",
    "bases": [
      {
        "asset": "btc",
        "weight": 1
      }
    ],
    "exchanges": [
      "crco",
      "gmni",
      "krkn",
      "lmax",
      "stmp"
    ],
    "percentages": [
      {
        "percentage": 1,
        "price": 71504.35309090909,
        "pairs": [
          {
            "pair": "btc-usd",
            "weight": 1,
            "instruments": [
              {
                "partition": "0",
                "price": 71494,
                "volume": 0.19981715,
                "count": "12",
                "underlyingTrade": {
                  "volume": 0.04441,
                  "exchange": "crco",
                  "id": "1773590109095301942",
                  "datetime": "2026-03-15T15:55:09.095Z"
                }
              },
              {
                "partition": "1",
                "price": 71499.01,
                "volume": 0.9988525499999997,
                "count": "59",
                "underlyingTrade": {
                  "volume": 0.03,
                  "exchange": "crco",
                  "id": "1773590139013290780",
                  "datetime": "2026-03-15T15:55:39.013Z"
                }
              },
              {
                "partition": "2",
                "price": 71521.99,
                "volume": 7.455164940000001,
                "count": "85",
                "underlyingTrade": {
                  "volume": 0.06718,
                  "exchange": "crco",
                  "id": "1773590166944032527",
                  "datetime": "2026-03-15T15:56:06.944Z"
                }
              },
              {
                "partition": "3",
                "price": 71520.55,
                "volume": 0.65069622,
                "count": "38",
                "underlyingTrade": {
                  "volume": 0.07051,
                  "exchange": "crco",
                  "id": "1773590209541279735",
                  "datetime": "2026-03-15T15:56:49.541Z"
                }
              },
              {
                "partition": "6",
                "price": 71499,
                "volume": 0.33936496,
                "count": "51",
                "underlyingTrade": {
                  "volume": 0.03062718,
                  "exchange": "krkn",
                  "id": "97190194",
                  "datetime": "2026-03-15T15:58:23.269434Z"
                }
              },
              {
                "partition": "7",
                "price": 71485.44,
                "volume": 0.96415299,
                "count": "85",
                "underlyingTrade": {
                  "volume": 0.05482,
                  "exchange": "crco",
                  "id": "1773590318011259597",
                  "datetime": "2026-03-15T15:58:38.011Z"
                }
              },
              {
                "partition": "4",
                "price": 71520,
                "volume": 2.8886697400000005,
                "count": "85",
                "underlyingTrade": {
                  "volume": 0.1,
                  "exchange": "stmp",
                  "id": "547083599",
                  "datetime": "2026-03-15T15:57:29Z"
                }
              },
              {
                "partition": "8",
                "price": 71500.79,
                "volume": 0.88407981,
                "count": "50",
                "underlyingTrade": {
                  "volume": 0.03509,
                  "exchange": "crco",
                  "id": "1773590342864005707",
                  "datetime": "2026-03-15T15:59:02.864Z"
                }
              },
              {
                "partition": "9",
                "price": 71499.56,
                "volume": 0.57279782,
                "count": "43",
                "underlyingTrade": {
                  "volume": 0.06,
                  "exchange": "crco",
                  "id": "1773590373299603299",
                  "datetime": "2026-03-15T15:59:33.299Z"
                }
              },
              {
                "partition": "5",
                "price": 71520,
                "volume": 2.172445329999999,
                "count": "97",
                "underlyingTrade": {
                  "volume": 0.06991051,
                  "exchange": "stmp",
                  "id": "547083602",
                  "datetime": "2026-03-15T15:57:30.071Z"
                }
              }
            ]
          }
        ]
      }
    ],
    "tsEvent": "2026-03-15T16:00:00.806764411Z",
    "sequenceId": "d6rdf01r6s9c72s1gun0",
    "lastIngestTime": "2026-03-15T15:59:59.822071833Z",
    "lastAnomalyIngestTime": null,
    "fallbackInfo": {
      "fallbackUsed": false
    }
  }
}