README

Ovulation Calculator estimates ovulation dates, fertile windows, and provides detailed cycle phase information based on menstrual cycle data.

The Ovulation Calculator API provides a simple, reliable way to integrate ovulation calculator functionality into your applications. Built for developers who need production-ready ovulation calculator capabilities without the complexity of building from scratch.

View API Details →

Available on:

Quick Start

Using JavaScript

async function callOvulationCalculatorAPI() {
    try {
        const params = new URLSearchParams({
            last_period: '2024-01-01',
            cycle_length: 28
        });

        const response = await fetch(`https://api.apiverve.com/v1/ovulationcalculator?${params}`, {
            method: 'GET',
            headers: {
                'x-api-key': 'YOUR_API_KEY_HERE'
            }
        });

        const data = await response.json();
        console.log(data);
    } catch (error) {
        console.error('Error:', error);
    }
}

callOvulationCalculatorAPI();

Using cURL

curl -X GET "https://api.apiverve.com/v1/ovulationcalculator?last_period=2024-01-01&cycle_length=28" \
  -H "x-api-key: YOUR_API_KEY_HERE"

Get your API key: https://apiverve.com

📁 For more examples, see the examples folder

Installation

Choose your preferred programming language:

📦 NPM (JavaScript/Node.js)

npm install @apiverve/ovulationcalculator

View NPM Package → | Package Code →

🔷 NuGet (.NET/C#)

dotnet add package APIVerve.API.OvulationCalculator

View NuGet Package → | Package Code →

🐍 Python (PyPI)

pip install apiverve-ovulationcalculator

View PyPI Package → | Package Code →

💎 Ruby (RubyGems)

gem install apiverve_ovulationcalculator

View RubyGems Package → | Package Code →

🐘 PHP (Packagist)

composer require apiverve/ovulationcalculator

View Packagist Package → | Package Code →

🎯 Dart (pub.dev)

dart pub add apiverve_ovulationcalculator

View pub.dev Package → | Package Code →

🤖 Android (JitPack)

implementation 'com.github.apiverve:ovulationcalculator-api:1.0.0'

Package Code →

🐹 Go

go get github.com/apiverve/ovulationcalculator-api/go

Package Code →

Why Use This API?

Feature	Benefit
Multi-language SDKs	Native packages for JavaScript, Python, C#, Go, and Android
Simple Integration	Single API key authentication, consistent response format
Production Ready	99.9% uptime SLA, served from 24 global regions
Comprehensive Docs	Full examples, OpenAPI spec, and dedicated support

Documentation

🏠 API Home: Ovulation Calculator API
📚 API Reference: docs.apiverve.com/ref/ovulationcalculator
📖 OpenAPI Spec: openapi.yaml
💡 Examples: examples/

What Can You Build?

The Ovulation Calculator API is commonly used for:

Web Applications - Add ovulation calculator features to your frontend or backend
Mobile Apps - Native SDKs for Android development
Automation - Integrate with n8n, Zapier, or custom workflows
SaaS Products - Enhance your product with ovulation calculator capabilities
Data Pipelines - Process and analyze data at scale

API Reference

Authentication

All requests require an API key in the header:

x-api-key: YOUR_API_KEY_HERE

Get your API key: https://apiverve.com

Response Format

Every APIVerve endpoint returns the same envelope — check status, then read data:

{
  "status": "ok",
  "error": null,
  "data": { ... }
}

Example Response

A real response from the Ovulation Calculator API:

{
  "status": "ok",
  "error": null,
  "data": {
    "last_period": "2024-01-01",
    "cycle_length": 28,
    "ovulation": {
      "date": "2024-01-15",
      "days_from_last_period": 14
    },
    "fertile_window": {
      "start": "2024-01-10",
      "end": "2024-01-15",
      "duration_days": 6
    },
    "most_fertile_days": {
      "start": "2024-01-13",
      "end": "2024-01-15",
      "duration_days": 3
    },
    "fertile_days": [
      {
        "date": "2024-01-10",
        "day_relative_to_ovulation": -5,
        "fertility_level": "medium",
        "description": "Fertile"
      },
      {
        "date": "2024-01-11",
        "day_relative_to_ovulation": -4,
        "fertility_level": "medium",
        "description": "Fertile"
      },
      {
        "date": "2024-01-12",
        "day_relative_to_ovulation": -3,
        "fertility_level": "medium",
        "description": "Fertile"
      },
      {
        "date": "2024-01-13",
        "day_relative_to_ovulation": -2,
        "fertility_level": "high",
        "description": "Most fertile"
      },
      {
        "date": "2024-01-14",
        "day_relative_to_ovulation": -1,
        "fertility_level": "high",
        "description": "Most fertile"
      },
      {
        "date": "2024-01-15",
        "day_relative_to_ovulation": 0,
        "fertility_level": "high",
        "description": "Most fertile"
      }
    ],
    "next_period": {
      "date": "2024-01-29",
      "days_from_last_period": 28
    },
    "cycle_phases": {
      "follicular_phase": {
        "duration_days": 14,
        "description": "From first day of period to ovulation"
      },
      "ovulation": {
        "duration_days": 1,
        "description": "Egg is released from ovary"
      },
      "luteal_phase": {
        "duration_days": 14,
        "description": "From ovulation to next period"
      }
    },
    "current_status": {
      "current_phase": "Menstruation",
      "is_fertile": false,
      "days_until_ovulation": -701,
      "days_until_next_period": -687
    },
    "disclaimer": "This calculator provides estimates only. Actual ovulation may vary. Consult a healthcare provider for medical advice."
  }
}

Support & Community

🏠 API Home: Ovulation Calculator API
💬 Support: https://apiverve.com/contact
🐛 Issues: GitHub Issues
📖 Documentation: https://docs.apiverve.com
🌐 Website: https://apiverve.com

Contributing

We welcome contributions! Please see CONTRIBUTING.md for guidelines.

Security

For security concerns, please review our Security Policy.

License

This project is licensed under the MIT License - see the LICENSE file for details.

Acknowledgments

Built with ❤️ by APIVerve

apiverve / ovulationcalculator

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README

Quick Start

Using JavaScript

Using cURL

Installation

📦 NPM (JavaScript/Node.js)

🔷 NuGet (.NET/C#)

🐍 Python (PyPI)

💎 Ruby (RubyGems)

🐘 PHP (Packagist)

🎯 Dart (pub.dev)

🤖 Android (JitPack)

🐹 Go

Why Use This API?

Documentation

What Can You Build?

API Reference

Authentication

Response Format

Example Response

Support & Community

Contributing

Security

License

Acknowledgments