Model Probability Calibration
curl --request POST \
--url https://api.fincept.in/quantlib/ml/credit/calibration \
--header 'Content-Type: application/json' \
--header 'X-API-Key: <api-key>' \
--data '
{
"y_true": [
0,
0,
1,
1,
0,
1
],
"y_score": [
0.15,
0.25,
0.75,
0.85,
0.2,
0.8
],
"method": "platt"
}
'import requests
url = "https://api.fincept.in/quantlib/ml/credit/calibration"
payload = {
"y_true": [0, 0, 1, 1, 0, 1],
"y_score": [0.15, 0.25, 0.75, 0.85, 0.2, 0.8],
"method": "platt"
}
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({
y_true: [0, 0, 1, 1, 0, 1],
y_score: [0.15, 0.25, 0.75, 0.85, 0.2, 0.8],
method: 'platt'
})
};
fetch('https://api.fincept.in/quantlib/ml/credit/calibration', 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/ml/credit/calibration",
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([
'y_true' => [
0,
0,
1,
1,
0,
1
],
'y_score' => [
0.15,
0.25,
0.75,
0.85,
0.2,
0.8
],
'method' => 'platt'
]),
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/ml/credit/calibration"
payload := strings.NewReader("{\n \"y_true\": [\n 0,\n 0,\n 1,\n 1,\n 0,\n 1\n ],\n \"y_score\": [\n 0.15,\n 0.25,\n 0.75,\n 0.85,\n 0.2,\n 0.8\n ],\n \"method\": \"platt\"\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/ml/credit/calibration")
.header("X-API-Key", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"y_true\": [\n 0,\n 0,\n 1,\n 1,\n 0,\n 1\n ],\n \"y_score\": [\n 0.15,\n 0.25,\n 0.75,\n 0.85,\n 0.2,\n 0.8\n ],\n \"method\": \"platt\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.fincept.in/quantlib/ml/credit/calibration")
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 \"y_true\": [\n 0,\n 0,\n 1,\n 1,\n 0,\n 1\n ],\n \"y_score\": [\n 0.15,\n 0.25,\n 0.75,\n 0.85,\n 0.2,\n 0.8\n ],\n \"method\": \"platt\"\n}"
response = http.request(request)
puts response.read_body{
"success": true,
"data": {
"calibrated_probabilities": [
0.12,
0.21,
0.78,
0.89,
0.18,
0.82
],
"method": "platt"
}
}{
"detail": "Invalid API key"
}{
"detail": "Insufficient credits. This endpoint requires 5 credits."
}{
"detail": [
{
"loc": [
"<string>"
],
"msg": "<string>",
"type": "<string>"
}
]
}quantlib-ml
Model Probability Calibration
Calibrates model probabilities using Platt scaling or isotonic regression to ensure predicted probabilities match observed frequencies. Critical for regulatory models where accurate PD estimates are required. [Tier: ENTERPRISE, Credits: 10]
POST
/
quantlib
/
ml
/
credit
/
calibration
Model Probability Calibration
curl --request POST \
--url https://api.fincept.in/quantlib/ml/credit/calibration \
--header 'Content-Type: application/json' \
--header 'X-API-Key: <api-key>' \
--data '
{
"y_true": [
0,
0,
1,
1,
0,
1
],
"y_score": [
0.15,
0.25,
0.75,
0.85,
0.2,
0.8
],
"method": "platt"
}
'import requests
url = "https://api.fincept.in/quantlib/ml/credit/calibration"
payload = {
"y_true": [0, 0, 1, 1, 0, 1],
"y_score": [0.15, 0.25, 0.75, 0.85, 0.2, 0.8],
"method": "platt"
}
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({
y_true: [0, 0, 1, 1, 0, 1],
y_score: [0.15, 0.25, 0.75, 0.85, 0.2, 0.8],
method: 'platt'
})
};
fetch('https://api.fincept.in/quantlib/ml/credit/calibration', 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/ml/credit/calibration",
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([
'y_true' => [
0,
0,
1,
1,
0,
1
],
'y_score' => [
0.15,
0.25,
0.75,
0.85,
0.2,
0.8
],
'method' => 'platt'
]),
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/ml/credit/calibration"
payload := strings.NewReader("{\n \"y_true\": [\n 0,\n 0,\n 1,\n 1,\n 0,\n 1\n ],\n \"y_score\": [\n 0.15,\n 0.25,\n 0.75,\n 0.85,\n 0.2,\n 0.8\n ],\n \"method\": \"platt\"\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/ml/credit/calibration")
.header("X-API-Key", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"y_true\": [\n 0,\n 0,\n 1,\n 1,\n 0,\n 1\n ],\n \"y_score\": [\n 0.15,\n 0.25,\n 0.75,\n 0.85,\n 0.2,\n 0.8\n ],\n \"method\": \"platt\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.fincept.in/quantlib/ml/credit/calibration")
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 \"y_true\": [\n 0,\n 0,\n 1,\n 1,\n 0,\n 1\n ],\n \"y_score\": [\n 0.15,\n 0.25,\n 0.75,\n 0.85,\n 0.2,\n 0.8\n ],\n \"method\": \"platt\"\n}"
response = http.request(request)
puts response.read_body{
"success": true,
"data": {
"calibrated_probabilities": [
0.12,
0.21,
0.78,
0.89,
0.18,
0.82
],
"method": "platt"
}
}{
"detail": "Invalid API key"
}{
"detail": "Insufficient credits. This endpoint requires 5 credits."
}{
"detail": [
{
"loc": [
"<string>"
],
"msg": "<string>",
"type": "<string>"
}
]
}Authorizations
API key for authentication. Get your key at https://api.fincept.in/auth/register
Body
application/json
True binary labels
Available options:
0, 1 Example:
[0, 0, 1, 1, 0, 1]
Uncalibrated predicted probabilities
Example:
[0.15, 0.25, 0.75, 0.85, 0.2, 0.8]
Calibration method
Available options:
platt, isotonic Example:
"platt"
⌘I
