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GET
/
analytics
/
futures-perpetuals
/
apr-basis
/
constant-days-to-expiration
Apr-Basis Constant Maturity Decorated
curl --request GET \
  --url https://api.amberdata.com/markets/derivatives/analytics/futures-perpetuals/apr-basis/constant-days-to-expiration \
  --header 'x-api-key: <api-key>'
{
  "status": 200,
  "title": "OK",
  "description": "Successful request",
  "payload": {
    "data": [
      {
        "apr": 5.140000000000001,
        "basis": 462.6,
        "daysToExpiration": 30,
        "symbol": "bybit_BTC-USDT-linear",
        "timestamp": "2025-11-01 00:00:00 000"
      }
    ]
  }
}

Authorizations

​
x-api-key
string
header
required

Query Parameters

​
asset
string
default:BTC
required

[Required] The underlying currency for which there are futures contracts/instruments. [Examples] BTC | ETH

​
startDate
string
default:2025-11-01

Payload only includes data after this date (inclusive). [Formats] seconds | milliseconds | iso8601 [Examples] 1578531600 | 1578531600000 | 2020-09-01T01:00:00

​
endDate
string
default:2025-11-10

Payload only includes data before this date (exclusive). [Formats] seconds | milliseconds | iso8601 [Examples] 1578531600 | 1578531600000 | 2020-09-01T01:00:00

​
interval
string
default:30D
required

[Required] This interval parameter filters for the selected constant maturity DTE (Days To Expiration). [Examples] 7D | 30D | 90D |180D

​
timeFormat
string
default:hr

[Optional] Time format of the timestamps in the return payload. [Defaults] milliseconds | ms* | iso | iso8601 | hr | human_readable

Response

200

​
status
integer
Example:

200

​
title
string
Example:

"OK"

​
description
string
Example:

"Successful request"

​
payload
object