Due Date Calculator API

const response = await fetch('https://api.apiverve.com/v1/duedatecalculator?last_period=2025-06-01', {
  method: 'GET',
  headers: {
    'X-API-Key': 'your_api_key_here',
    'Content-Type': 'application/json'
  }
});

const data = await response.json();
console.log(data);

import requests

headers = {
    'X-API-Key': 'your_api_key_here',
    'Content-Type': 'application/json'
}

response = requests.get('https://api.apiverve.com/v1/duedatecalculator?last_period=2025-06-01', headers=headers)

data = response.json()
print(data)

const https = require('https');
const url = require('url');

const options = {
  method: 'GET',
  headers: {
    'X-API-Key': 'your_api_key_here',
    'Content-Type': 'application/json'
  }
};

const req = https.request('https://api.apiverve.com/v1/duedatecalculator?last_period=2025-06-01', options, (res) => {
  let data = '';
  res.on('data', (chunk) => data += chunk);
  res.on('end', () => console.log(JSON.parse(data)));
});

req.end();

<?php

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, 'https://api.apiverve.com/v1/duedatecalculator?last_period=2025-06-01');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'GET');
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    'X-API-Key: your_api_key_here',
    'Content-Type: application/json'
]);

$response = curl_exec($ch);
curl_close($ch);

$data = json_decode($response, true);
print_r($data);

?>

package main

import (
    "fmt"
    "io"
    "net/http"

)

func main() {
    req, _ := http.NewRequest("GET", "https://api.apiverve.com/v1/duedatecalculator?last_period=2025-06-01", nil)

    req.Header.Set("X-API-Key", "your_api_key_here")
    req.Header.Set("Content-Type", "application/json")

    client := &http.Client{}
    resp, err := client.Do(req)
    if err != nil {
        panic(err)
    }
    defer resp.Body.Close()

    body, _ := io.ReadAll(resp.Body)
    fmt.Println(string(body))
}

require 'net/http'
require 'json'

uri = URI('https://api.apiverve.com/v1/duedatecalculator?last_period=2025-06-01')
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true

request = Net::HTTP::Get.new(uri)
request['X-API-Key'] = 'your_api_key_here'
request['Content-Type'] = 'application/json'

response = http.request(request)
puts JSON.pretty_generate(JSON.parse(response.body))

using System;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;

class Program
{
    static async Task Main(string[] args)
    {
        using var client = new HttpClient();
        client.DefaultRequestHeaders.Add("X-API-Key", "your_api_key_here");

        var response = await client.GetAsync("https://api.apiverve.com/v1/duedatecalculator?last_period=2025-06-01");
        response.EnsureSuccessStatusCode();

        var responseBody = await response.Content.ReadAsStringAsync();
        Console.WriteLine(responseBody);
    }
}

<?xml version="1.0" encoding="UTF-8"?>
<response>
  <status>ok</status>
  <error xsi:nil="true" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"/>
  <data>
    <calculation_method>last_period</calculation_method>
    <last_period_date>2024-01-01</last_period_date>
    <estimated_conception_date>2024-01-15</estimated_conception_date>
    <due_date>2024-10-07</due_date>
    <current_progress>
      <days_pregnant>715</days_pregnant>
      <weeks_pregnant>102</weeks_pregnant>
      <days_into_week>1</days_into_week>
      <formatted>102 weeks, 1 days</formatted>
      <trimester>3</trimester>
      <percentage_complete>255.36</percentage_complete>
    </current_progress>
    <time_until_due>
      <days>0</days>
      <weeks>0</weeks>
      <days_extra>0</days_extra>
      <formatted>Past due date</formatted>
      <is_overdue>true</is_overdue>
    </time_until_due>
    <upcoming_milestones>
    </upcoming_milestones>
    <important_dates>
      <end_first_trimester>2024-04-01</end_first_trimester>
      <end_second_trimester>2024-07-08</end_second_trimester>
      <full_term_begins>2024-09-16</full_term_begins>
    </important_dates>
    <disclaimer>This is an estimate only. Due dates can vary. Consult your healthcare provider for medical advice.</disclaimer>
  </data>
</response>

status: ok
error: null
data:
  calculation_method: last_period
  last_period_date: '2024-01-01'
  estimated_conception_date: '2024-01-15'
  due_date: '2024-10-07'
  current_progress:
    days_pregnant: 715
    weeks_pregnant: 102
    days_into_week: 1
    formatted: 102 weeks, 1 days
    trimester: 3
    percentage_complete: 255.36
  time_until_due:
    days: 0
    weeks: 0
    days_extra: 0
    formatted: Past due date
    is_overdue: true
  upcoming_milestones: []
  important_dates:
    end_first_trimester: '2024-04-01'
    end_second_trimester: '2024-07-08'
    full_term_begins: '2024-09-16'
  disclaimer: >-
    This is an estimate only. Due dates can vary. Consult your healthcare
    provider for medical advice.