apiverve/imagecaption

Image Caption is an AI-powered tool that generates descriptive captions for images. Simply upload an image and receive a natural language description of its contents.

dev-main 2026-07-16 20:33 UTC

Requires

• php: >=7.4
• guzzlehttp/guzzle: ^7.0

Requires (Dev)

• phpunit/phpunit: ^9.0

MIT

• APIVerve

• api
• image to text
• apiverve
• imagecaption
• image caption
• image description
• ai image caption
• describe image

Published on Packagist.org on 2026-07-16 20:44 UTC

README

Image Caption is an AI-powered tool that generates descriptive captions for images. Simply upload an image and receive a natural language description of its contents.

The Image Caption API provides a simple, reliable way to integrate image caption functionality into your applications. Built for developers who need production-ready image caption capabilities without the complexity of building from scratch.

View API Details →

Available on:

Quick Start

Using JavaScript

async function callImageCaptionAPI() {
    try {
        const requestBody = {
    "image": "https://upload.wikimedia.org/wikipedia/commons/thumb/3/3a/Cat03.jpg/640px-Cat03.jpg"
};

        const response = await fetch('https://api.apiverve.com/v1/imagecaption', {
            method: 'POST',
            headers: {
                'x-api-key': 'YOUR_API_KEY_HERE',
                'Content-Type': 'application/json'
            },
            body: JSON.stringify(requestBody)
        });

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

callImageCaptionAPI();

Using cURL

curl -X POST "https://api.apiverve.com/v1/imagecaption" \
  -H "x-api-key: YOUR_API_KEY_HERE" \
  -F "image=@/path/to/your-file"
# Accepted formats: .jpg, .jpeg, .png, .gif (max 5MB)

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/imagecaption

View NPM Package → | Package Code →

🔷 NuGet (.NET/C#)

dotnet add package APIVerve.API.ImageCaption

View NuGet Package → | Package Code →

🐍 Python (PyPI)

pip install apiverve-imagecaption

View PyPI Package → | Package Code →

💎 Ruby (RubyGems)

gem install apiverve_imagecaption

View RubyGems Package → | Package Code →

🐘 PHP (Packagist)

composer require apiverve/imagecaption

View Packagist Package → | Package Code →

🎯 Dart (pub.dev)

dart pub add apiverve_imagecaption

View pub.dev Package → | Package Code →

🤖 Android (JitPack)

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

Package Code →

🐹 Go

go get github.com/apiverve/imagecaption-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: Image Caption API
• 📚 API Reference: docs.apiverve.com/ref/imagecaption
• 📖 OpenAPI Spec: openapi.yaml
• 💡 Examples: examples/

What Can You Build?

The Image Caption API is commonly used for:

• Web Applications - Add image caption 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 image caption 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 Image Caption API:

{
  "status": "ok",
  "error": null,
  "data": {
    "caption": "A golden retriever running through a grassy field on a sunny day"
  }
}

Support & Community

• 🏠 API Home: Image Caption 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

Copyright © 2026 APIVerve. All rights reserved.