Basis history
curl --request GET \
--url https://api.polynode.dev/v3/perps/basis/{instrument} \
--header 'x-api-key: <api-key>'import requests
url = "https://api.polynode.dev/v3/perps/basis/{instrument}"
headers = {"x-api-key": "<api-key>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {'x-api-key': '<api-key>'}};
fetch('https://api.polynode.dev/v3/perps/basis/{instrument}', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.polynode.dev/v3/perps/basis/{instrument}",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"x-api-key: <api-key>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://api.polynode.dev/v3/perps/basis/{instrument}"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("x-api-key", "<api-key>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://api.polynode.dev/v3/perps/basis/{instrument}")
.header("x-api-key", "<api-key>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.polynode.dev/v3/perps/basis/{instrument}")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["x-api-key"] = '<api-key>'
response = http.request(request)
puts response.read_body{
"data": [
{
"basis": "-21",
"basis_bps": "-3.27",
"index_price": "64146",
"mark_price": "64125",
"timestamp": 1783739407813
},
{
"basis": "-17",
"basis_bps": "-2.65",
"index_price": "64139",
"mark_price": "64122",
"timestamp": 1783739347801
}
],
"instrument_id": 6,
"symbol": "BTC-USD"
}Perps Market Data
Basis History
The perp’s premium/discount to spot over time: mark - index (absolute and in bps), from the ticker snapshots.
GET
/
v3
/
perps
/
basis
/
{instrument}
Basis history
curl --request GET \
--url https://api.polynode.dev/v3/perps/basis/{instrument} \
--header 'x-api-key: <api-key>'import requests
url = "https://api.polynode.dev/v3/perps/basis/{instrument}"
headers = {"x-api-key": "<api-key>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {'x-api-key': '<api-key>'}};
fetch('https://api.polynode.dev/v3/perps/basis/{instrument}', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.polynode.dev/v3/perps/basis/{instrument}",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"x-api-key: <api-key>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://api.polynode.dev/v3/perps/basis/{instrument}"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("x-api-key", "<api-key>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://api.polynode.dev/v3/perps/basis/{instrument}")
.header("x-api-key", "<api-key>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.polynode.dev/v3/perps/basis/{instrument}")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["x-api-key"] = '<api-key>'
response = http.request(request)
puts response.read_body{
"data": [
{
"basis": "-21",
"basis_bps": "-3.27",
"index_price": "64146",
"mark_price": "64125",
"timestamp": 1783739407813
},
{
"basis": "-17",
"basis_bps": "-2.65",
"index_price": "64139",
"mark_price": "64122",
"timestamp": 1783739347801
}
],
"instrument_id": 6,
"symbol": "BTC-USD"
}The perp’s premium or discount to spot over time — mark minus index, as an absolute number and in basis points — from the ticker snapshots (minute resolution, newest first). Complements the live screener. Bound with
after / before, cap with limit.Authorizations
Path Parameters
Instrument id (6), symbol (BTC-USD), or bare asset (btc).
Query Parameters
Only rows after this time (Unix s or ms).
Only rows before this time (Unix s or ms).
Max rows.
Response
200 - application/json
Success
⌘I