curl --request POST \
  --url https://api.fincept.in/quantlib/risk/evt/gev \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "data": [
    -0.08,
    -0.12,
    -0.05,
    -0.15,
    -0.09,
    -0.18,
    -0.11
  ],
  "fit_method": "mle",
  "return_periods": [
    10,
    50,
    100,
    250
  ]
}
'

import requests

url = "https://api.fincept.in/quantlib/risk/evt/gev"

payload = {
    "data": [-0.08, -0.12, -0.05, -0.15, -0.09, -0.18, -0.11],
    "fit_method": "mle",
    "return_periods": [10, 50, 100, 250]
}
headers = {
    "X-API-Key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'X-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    data: [-0.08, -0.12, -0.05, -0.15, -0.09, -0.18, -0.11],
    fit_method: 'mle',
    return_periods: [10, 50, 100, 250]
  })
};

fetch('https://api.fincept.in/quantlib/risk/evt/gev', 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.fincept.in/quantlib/risk/evt/gev",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'data' => [
        -0.08,
        -0.12,
        -0.05,
        -0.15,
        -0.09,
        -0.18,
        -0.11
    ],
    'fit_method' => 'mle',
    'return_periods' => [
        10,
        50,
        100,
        250
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "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"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.fincept.in/quantlib/risk/evt/gev"

	payload := strings.NewReader("{\n  \"data\": [\n    -0.08,\n    -0.12,\n    -0.05,\n    -0.15,\n    -0.09,\n    -0.18,\n    -0.11\n  ],\n  \"fit_method\": \"mle\",\n  \"return_periods\": [\n    10,\n    50,\n    100,\n    250\n  ]\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("X-API-Key", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.fincept.in/quantlib/risk/evt/gev")
  .header("X-API-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"data\": [\n    -0.08,\n    -0.12,\n    -0.05,\n    -0.15,\n    -0.09,\n    -0.18,\n    -0.11\n  ],\n  \"fit_method\": \"mle\",\n  \"return_periods\": [\n    10,\n    50,\n    100,\n    250\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.fincept.in/quantlib/risk/evt/gev")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["X-API-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"data\": [\n    -0.08,\n    -0.12,\n    -0.05,\n    -0.15,\n    -0.09,\n    -0.18,\n    -0.11\n  ],\n  \"fit_method\": \"mle\",\n  \"return_periods\": [\n    10,\n    50,\n    100,\n    250\n  ]\n}"

response = http.request(request)
puts response.read_body

{
  "success": true,
  "data": {
    "mu": -0.105,
    "sigma": 0.035,
    "xi": 0.18,
    "return_levels": {
      "10": -0.185,
      "50": -0.245,
      "100": -0.278,
      "250": -0.325
    }
  }
}

{
  "detail": "Invalid API key"
}

{
  "detail": "Insufficient credits. This endpoint requires 5 credits."
}

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}