curl --request POST \
  --url https://api.fintoc.com/v1/charges \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "amount": 5000,
  "currency": "CLP",
  "subscription_id": "sub_m7N9rAWJS9dWDKEe",
  "metadata": {
    "order_id": "0001"
  }
}
'

import requests

url = "https://api.fintoc.com/v1/charges"

payload = {
    "amount": 5000,
    "currency": "CLP",
    "subscription_id": "sub_m7N9rAWJS9dWDKEe",
    "metadata": { "order_id": "0001" }
}
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    amount: 5000,
    currency: 'CLP',
    subscription_id: 'sub_m7N9rAWJS9dWDKEe',
    metadata: {order_id: '0001'}
  })
};

fetch('https://api.fintoc.com/v1/charges', 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.fintoc.com/v1/charges",
  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([
    'amount' => 5000,
    'currency' => 'CLP',
    'subscription_id' => 'sub_m7N9rAWJS9dWDKEe',
    'metadata' => [
        'order_id' => '0001'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($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.fintoc.com/v1/charges"

	payload := strings.NewReader("{\n  \"amount\": 5000,\n  \"currency\": \"CLP\",\n  \"subscription_id\": \"sub_m7N9rAWJS9dWDKEe\",\n  \"metadata\": {\n    \"order_id\": \"0001\"\n  }\n}")

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

	req.Header.Add("Authorization", "<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.fintoc.com/v1/charges")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"amount\": 5000,\n  \"currency\": \"CLP\",\n  \"subscription_id\": \"sub_m7N9rAWJS9dWDKEe\",\n  \"metadata\": {\n    \"order_id\": \"0001\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.fintoc.com/v1/charges")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"amount\": 5000,\n  \"currency\": \"CLP\",\n  \"subscription_id\": \"sub_m7N9rAWJS9dWDKEe\",\n  \"metadata\": {\n    \"order_id\": \"0001\"\n  }\n}"

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

{
  "id": "ch_o9YDuRzUez2GqV4x",
  "object": "charge",
  "amount": 5000,
  "created_at": "2021-05-17T17:04:10.284Z",
  "currency": "CLP",
  "failure_code": null,
  "metadata": {
    "order_id": "0001"
  },
  "mode": "live",
  "status": "pending",
  "subscription_id": "sub_m7N9rAWJS9dWDKEe"
}

{
  "error": {
    "type": "invalid_request_error",
    "code": "missing_parameter",
    "param": "subscription_id",
    "message": "Missing required param: subscription_id",
    "doc_url": "https://docs.fintoc.com/reference/errors"
  }
}

{
  "error": {
    "type": "authentication_error",
    "code": "invalid_api_key",
    "message": "Invalid API Key: invalid-*oken"
  }
}

{
  "error": {
    "type": "invalid_request_error",
    "code": "forbidden_request",
    "param": null,
    "message": "Can not create charge if subscription is not active",
    "doc_url": "https://docs.fintoc.com/reference/errors"
  }
}

{
  "error": {
    "type": "invalid_request_error",
    "code": "missing_resource",
    "param": "id",
    "message": "No such subscription: sub_LDcjBFqGpKuj8FPV",
    "doc_url": "https://docs.fintoc.com/reference/errors"
  }
}