2025년 사용자 참여 강화를 위한 10대 챗봇 API

Updated:

June 23, 2025

사용자 참여도를 높일 수 있는 2025년 최고의 챗봇 API를 살펴보세요.Zendesk, Twilio 등과 같은 주요 플랫폼의 기능, 이점, 통합 옵션을 비교해 보세요.

As user expectations continue to evolve in 2025, businesses are turning to chatbot APIs to deliver faster, smarter, and more personalized interactions.

A chatbot API is a technology interface that enables developers to add chatbot features,like automated messaging and conversational interactions, into websites, mobile apps, or other digital platforms.

Instead of building a chatbot from scratch, developers can use these ready-made tools and frameworks to create virtual assistants that can understand questions, provide answers, and even complete tasks.

Chatbot APIs streamline the process of developing and deploying chatbots that can handle common functions such as customer service, sales inquiries, appointment booking, or order tracking.

For businesses, this means faster response times, reduced support costs, and a more consistent user experience across different channels, all of which contribute to stronger customer engagement and satisfaction.

In this article, we’ll explore the top 10 chatbot APIs that stand out in 2025 for their performance, versatility, and ease of integration.

Top Chatbot APIs for User Engagement

1. Zendesk

Zendesk Answer Bot is designed for seamless integration within the Zendesk support ecosystem. It’s best suited for companies already using Zendesk as their customer service platform. It automatically responds to support queries by pulling relevant help articles and FAQs, making it ideal for reducing ticket volumes and improving first-response times.

While its AI capabilities are more limited compared to others on this list, it's extremely efficient at handling repetitive questions in support environments. Best for customer service teams looking for a plug-and-play solution with minimal setup.

Features:

Seamless Zendesk integration
Auto-responses with help center articles
Contextual follow-ups
Supports multiple languages

Pricing: Included in Zendesk Suite plans, starting at approximately $49/user/month.

Note: For the most up-to-date pricing information visit the official website.

2. Twilio Studio

Twilio Studio is a visual development platform for creating communication workflows, particularly over SMS, voice, and messaging apps. While it doesn't offer advanced AI or NLP capabilities out of the box, it excels in flexibility and custom workflow creation.

Businesses that need transactional bots (e.g., appointment reminders, delivery updates) over phone or SMS will find Twilio especially valuable. It integrates well with other Twilio services and external APIs, making it a strong choice for developers needing full control over their customer communication flows.

Features:

Drag-and-drop visual editor
Multi-channel support (SMS, Voice, WhatsApp)
API integration and logic branching
Event-triggered messaging

Pricing: Pay-as-you-go pricing based on channel usage (e.g., SMS starts at $0.0075/message).

Note: For the most up-to-date pricing information visit the official website.

3. Meta Messenger Platform

Meta's Messenger Platform is geared toward businesses wanting to engage with users directly on Facebook Messenger and Instagram DMs. It supports automation through structured messages, quick replies, and integration with Meta's AI.

Ideal for retail, hospitality, and service industries, it allows for customer interactions, promotional campaigns, and booking workflows. Given its access to billions of active users across Meta platforms, it's a top pick for social-driven brands.

Features:

Integration with Facebook and Instagram DMs
Quick replies and persistent menus
Built-in AI for intent detection
Click-to-Messenger ad support

Pricing: Free to use with Meta APIs, subject to rate limits and messaging rules.

Note: For the most up-to-date pricing information visit the official website.

4. Google Chat API

The Google Chat API is primarily intended for internal team communication bots within Google Workspace.

It allows developers to build custom chat apps and workflows that live inside Google Chat. While it lacks robust native AI, it can be paired with Dialogflow for intelligent features. It's best suited for teams already using Google Workspace and looking to automate processes like notifications, approvals, or internal ticketing.

Features:

Integration with Google Workspace tools
Cards and dialogs for rich UIs
Real-time message delivery
Extensible with Google Cloud functions

Pricing: Included with Google Workspace plans; no separate cost for API usage.

Note: For the most up-to-date pricing information visit the official website.

5. Slack API

Slack's API supports building bots and integrations that enhance team collaboration. While it doesn’t come with built-in NLP, it pairs well with external AI services like OpenAI or Dialogflow.

Slack bots can automate workflows, provide updates, or even serve as internal helpdesks. It’s a great option for tech-savvy teams and startups already embedded in the Slack ecosystem, offering a high degree of customization and productivity enhancement.

Features:

Interactive messages and modals
Real-time messaging and event subscriptions
Workflow builder integration
External API/webhook support

Pricing: Free for basic bots; advanced API access included in paid Slack plans starting at $7.25/user/month.

Note: For the most up-to-date pricing information visit the official website.

6. Microsoft Azure Bot Service

Azure Bot Service is a comprehensive platform that allows the creation and deployment of enterprise-grade bots across multiple channels, including Microsoft Teams, Skype, and custom web apps.

It integrates tightly with Azure Cognitive Services, particularly LUIS (Language Understanding), enabling sophisticated conversational AI. This makes it suitable for large organizations needing scalable, secure, and intelligent bots with multilingual support. Ideal for IT departments and enterprise developers.

Features:

Multi-channel support (Teams, Skype, Web)
Integrated with LUIS for NLP
Bot Framework Composer tool
Scalable Azure infrastructure

Pricing: Consumption-based model; starts at $0.50 per 1,000 messages.

Note: For the most up-to-date pricing information visit the official website.

7. IBM Watson Assistant

IBM Watson Assistant is a robust AI chatbot platform that offers advanced natural language processing, strong intent recognition, and context management. It supports voice and text interactions and integrates with multiple messaging platforms and IVR systems.

Watson Assistant is well-suited for businesses with complex support needs or those in regulated industries (like healthcare and finance) that require security, scalability, and accuracy. It also supports low-code options for easier deployment.

Features: