curl --request POST \
  --url https://api.iotools.cloud/v1/tool/dca-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "contribution": "500",
  "frequency": "12",
  "years": "20",
  "returnRate": "8",
  "initial": "0"
}
'

import requests

url = "https://api.iotools.cloud/v1/tool/dca-calculator"

payload = {
    "contribution": "500",
    "frequency": "12",
    "years": "20",
    "returnRate": "8",
    "initial": "0"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    contribution: '500',
    frequency: '12',
    years: '20',
    returnRate: '8',
    initial: '0'
  })
};

fetch('https://api.iotools.cloud/v1/tool/dca-calculator', 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.iotools.cloud/v1/tool/dca-calculator",
  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([
    'contribution' => '500',
    'frequency' => '12',
    'years' => '20',
    'returnRate' => '8',
    'initial' => '0'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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.iotools.cloud/v1/tool/dca-calculator"

	payload := strings.NewReader("{\n  \"contribution\": \"500\",\n  \"frequency\": \"12\",\n  \"years\": \"20\",\n  \"returnRate\": \"8\",\n  \"initial\": \"0\"\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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.iotools.cloud/v1/tool/dca-calculator")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"contribution\": \"500\",\n  \"frequency\": \"12\",\n  \"years\": \"20\",\n  \"returnRate\": \"8\",\n  \"initial\": \"0\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.iotools.cloud/v1/tool/dca-calculator")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"contribution\": \"500\",\n  \"frequency\": \"12\",\n  \"years\": \"20\",\n  \"returnRate\": \"8\",\n  \"initial\": \"0\"\n}"

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

{
  "tool": "dca-calculator",
  "tool_version": "1.0.1",
  "outputs": {
    "summary": [
      {
        "metric": "Final DCA Value",
        "value": "$296,473.61"
      },
      {
        "metric": "Total Invested",
        "value": "$120,000.00"
      },
      {
        "metric": "Total Gain",
        "value": "$176,473.61"
      },
      {
        "metric": "Total Gain %",
        "value": "+147.06%"
      },
      {
        "metric": "Lump Sum Equivalent (same total, invested upfront)",
        "value": "$559,314.86"
      },
      {
        "metric": "Investment Frequency",
        "value": "Monthly"
      }
    ],
    "schedule": [
      {
        "year": "1",
        "total-invested": "$6,000.00",
        "dca-value": "$6,266.46",
        "lump-sum-equivalent": "$6,480.00",
        "dca-gain": "$266.46"
      },
      {
        "year": "2",
        "total-invested": "$12,000.00",
        "dca-value": "$13,053.04",
        "lump-sum-equivalent": "$13,996.80",
        "dca-gain": "$1,053.04"
      },
      {
        "year": "3",
        "total-invested": "$18,000.00",
        "dca-value": "$20,402.90",
        "lump-sum-equivalent": "$22,674.82",
        "dca-gain": "$2,402.90"
      },
      {
        "year": "4",
        "total-invested": "$24,000.00",
        "dca-value": "$28,362.79",
        "lump-sum-equivalent": "$32,651.74",
        "dca-gain": "$4,362.79"
      },
      {
        "year": "5",
        "total-invested": "$30,000.00",
        "dca-value": "$36,983.35",
        "lump-sum-equivalent": "$44,079.84",
        "dca-gain": "$6,983.35"
      },
      {
        "year": "6",
        "total-invested": "$36,000.00",
        "dca-value": "$46,319.41",
        "lump-sum-equivalent": "$57,127.48",
        "dca-gain": "$10,319.41"
      },
      {
        "year": "7",
        "total-invested": "$42,000.00",
        "dca-value": "$56,430.36",
        "lump-sum-equivalent": "$71,980.62",
        "dca-gain": "$14,430.36"
      },
      {
        "year": "8",
        "total-invested": "$48,000.00",
        "dca-value": "$67,380.52",
        "lump-sum-equivalent": "$88,844.65",
        "dca-gain": "$19,380.52"
      },
      {
        "year": "9",
        "total-invested": "$54,000.00",
        "dca-value": "$79,239.53",
        "lump-sum-equivalent": "$107,946.25",
        "dca-gain": "$25,239.53"
      },
      {
        "year": "10",
        "total-invested": "$60,000.00",
        "dca-value": "$92,082.84",
        "lump-sum-equivalent": "$129,535.50",
        "dca-gain": "$32,082.84"
      },
      {
        "year": "11",
        "total-invested": "$66,000.00",
        "dca-value": "$105,992.13",
        "lump-sum-equivalent": "$153,888.17",
        "dca-gain": "$39,992.13"
      },
      {
        "year": "12",
        "total-invested": "$72,000.00",
        "dca-value": "$121,055.89",
        "lump-sum-equivalent": "$181,308.25",
        "dca-gain": "$49,055.89"
      },
      {
        "year": "13",
        "total-invested": "$78,000.00",
        "dca-value": "$137,369.93",
        "lump-sum-equivalent": "$212,130.65",
        "dca-gain": "$59,369.93"
      },
      {
        "year": "14",
        "total-invested": "$84,000.00",
        "dca-value": "$155,038.03",
        "lump-sum-equivalent": "$246,724.26",
        "dca-gain": "$71,038.03"
      },
      {
        "year": "15",
        "total-invested": "$90,000.00",
        "dca-value": "$174,172.57",
        "lump-sum-equivalent": "$285,495.22",
        "dca-gain": "$84,172.57"
      },
      {
        "year": "16",
        "total-invested": "$96,000.00",
        "dca-value": "$194,895.27",
        "lump-sum-equivalent": "$328,890.49",
        "dca-gain": "$98,895.27"
      },
      {
        "year": "17",
        "total-invested": "$102,000.00",
        "dca-value": "$217,337.95",
        "lump-sum-equivalent": "$377,401.84",
        "dca-gain": "$115,337.95"
      },
      {
        "year": "18",
        "total-invested": "$108,000.00",
        "dca-value": "$241,643.35",
        "lump-sum-equivalent": "$431,570.11",
        "dca-gain": "$133,643.35"
      },
      {
        "year": "19",
        "total-invested": "$114,000.00",
        "dca-value": "$267,966.09",
        "lump-sum-equivalent": "$491,989.92",
        "dca-gain": "$153,966.09"
      },
      {
        "year": "20",
        "total-invested": "$120,000.00",
        "dca-value": "$296,473.61",
        "lump-sum-equivalent": "$559,314.86",
        "dca-gain": "$176,473.61"
      }
    ]
  },
  "credits_used": 3,
  "credits_remaining": null
}

{
  "type": "https://iotools.cloud/docs/errors/validation_error",
  "title": "Invalid request",
  "status": 400,
  "code": "validation_error",
  "detail": "One or more inputs are invalid — see `fields`.",
  "request_id": "e4042b29-8f1e-4c7a-9b52-6f0d1a3c7e11",
  "fields": {
    "inputString": "Required"
  }
}

{
  "type": "https://iotools.cloud/docs/errors/invalid_api_key",
  "title": "Invalid API key",
  "status": 401,
  "code": "invalid_api_key",
  "detail": "Provide 'Authorization: Bearer <key>'.",
  "request_id": "e4042b29-8f1e-4c7a-9b52-6f0d1a3c7e11"
}

{
  "type": "https://iotools.cloud/docs/errors/insufficient_credits",
  "title": "Insufficient credits",
  "status": 402,
  "code": "insufficient_credits",
  "detail": "This call costs 1 credit and 0 remain in this month's allowance.",
  "request_id": "e4042b29-8f1e-4c7a-9b52-6f0d1a3c7e11",
  "credits_used": 0,
  "credits_remaining": 0
}

{
  "type": "https://iotools.cloud/docs/errors/tool_not_allowed",
  "title": "Tool not available over the API",
  "status": 403,
  "code": "tool_not_allowed",
  "detail": "\"Background Remover\" is available on iotools.cloud but has no API endpoint.",
  "request_id": "e4042b29-8f1e-4c7a-9b52-6f0d1a3c7e11"
}

{
  "type": "https://iotools.cloud/docs/errors/tool_not_found",
  "title": "Tool not found",
  "status": 404,
  "code": "tool_not_found",
  "detail": "No tool with that slug. See GET /v1/tools/list.",
  "request_id": "e4042b29-8f1e-4c7a-9b52-6f0d1a3c7e11"
}

{
  "type": "https://iotools.cloud/docs/errors/payload_too_large",
  "title": "Payload too large",
  "status": 413,
  "code": "payload_too_large",
  "detail": "Request body exceeds this tool's size limit.",
  "request_id": "e4042b29-8f1e-4c7a-9b52-6f0d1a3c7e11"
}

{
  "type": "https://iotools.cloud/docs/errors/rate_limited",
  "title": "Rate limit exceeded",
  "status": 429,
  "code": "rate_limited",
  "detail": "Too many requests. Retry in 30s.",
  "request_id": "e4042b29-8f1e-4c7a-9b52-6f0d1a3c7e11",
  "retry_after": 30
}

{
  "type": "https://iotools.cloud/docs/errors/processing_error",
  "title": "Tool failed to run",
  "status": 500,
  "code": "processing_error",
  "detail": "The tool failed to run. Please try again.",
  "request_id": "e4042b29-8f1e-4c7a-9b52-6f0d1a3c7e11",
  "credits_used": 0
}

{
  "type": "https://iotools.cloud/docs/errors/tool_disabled",
  "title": "Tool temporarily disabled",
  "status": 503,
  "code": "tool_disabled",
  "detail": "This tool is temporarily unavailable. Try again shortly.",
  "request_id": "e4042b29-8f1e-4c7a-9b52-6f0d1a3c7e11"
}