Api Function Calling Chatbot

UChat AI Agent creates no‑code chatbots for Web, WhatsApp, Messenger, Instagram, Telegram, and SMS via a drag‑and‑drop builder. It supports GPT, Claude, Gemini, and real‑time function calls, plus a unified CRM, analytics, and integrations with Shopify, HubSpot, Zapier, Stripe, and Calendly.

Character AI is an advanced AI chatbot web application that offers human-like text responses, allows for user-developed characters with NSFW filters, and enables conversations with fictional, historical, and celebrity figures.

Vapi is an AI tool that facilitates rapid voicebot development for various applications like customer support, sales, telehealth, etc. It provides features such as low-latency streaming, multilingual support, and customizable models to efficiently create sophisticated voice solutions.

CallHippo is a cloud business phone system with AI voice agents, parallel/predictive dialers, omnichannel inbox, CRM integrations, global virtual numbers and APIs to centralize customer conversations, automate dialing, route calls intelligently, and provide real-time analytics.

Chatwith is a no‑code platform that embeds AI chatbots on websites, intranets, and messaging apps. It trains on internal content, connects to 5,000+ apps for real‑time data, supports 95+ languages, offers custom branding, analytics, and API integration.

APIMart provides a unified OpenAI-compatible API exposing 500+ models (GPT-5, Claude, Sora, Flux) for chat, streaming, function calling, vision, image/video generation and editing, enabling drop-in integration with Python/JS SDKs and model switching.

Chatbase builds and deploys AI customer support agents trained on business data, integrates with CRMs, Zendesk, Slack and WhatsApp, enables automated workflows, human escalation, analytics, multilingual support, and security controls (SOC 2, encryption).

Chat & Ask AI combines web search, image generation, link analysis, document chat, and YouTube summarization in one interface. It offers up‑to‑date answers, multilingual support, file uploads, and a prompt library, powered by GPT‑5.2, Gemini, Claude, and Stable Diffusion XL.

ChatBotKit is an AI agent platform enabling developers to create, test, and deploy autonomous agents for apps, websites, and messaging services. It supports multiple AI providers, offers memory, custom tools, and enterprise compliance features.

Zipchat AI automates pre‑ and post‑sales chat for eCommerce, recommending products, generating discount codes, recovering abandoned carts, and providing instant order status from Shopify, WooCommerce, Magento, and other platforms. Multilingual, plug‑and‑play integration, no coding required.

Wasapi consolidates WhatsApp customer interactions into a single interface, automatically assigning chats to agents and tracking them in real‑time. It integrates with CRMs, e‑commerce, and payment systems, supports AI assistants and mass messaging, and offers a mobile app for remote agents.

Z.ai chat is an AI-driven conversational tool that utilizes advanced natural language processing to facilitate interactive dialogue and deep search for applications in tech blogs, coding, and research, with API support for developers and content organization features.

AIMLAPI.com offers a unified API endpoint for over 400 AI models spanning chat, image, video, audio, voice, text, 3D, and OCR. It supports sandbox testing, granular access control, batch requests, and an OpenClaw runtime for secure, human‑in‑the‑loop workflows.

ChatKit is a cross‑platform AI chat app for macOS, Windows, and Linux that connects to OpenAI, Gemini, Azure, and custom models via API keys. It offers prompt templates, chat bookmarks, voice input, text‑to‑speech, file drop, web search, and URL fetching.

Bible Chat is an AI‑driven app delivering instant scripture answers with verse references. Search by topic or keyword, use verse finders, quizzes, character profiles, 2,000 lessons, multi‑translation support, and journaling on iOS and Android.

Webapi.ai delivers AI‑powered virtual agents that handle multi‑step conversations, API calls, and notifications. It integrates with SaaS, websites, PDFs and supports channels like website widgets, WhatsApp, Facebook, SMS, providing analytics and human handoff.

Voiceflow enables teams to create, test, and deploy AI‑powered conversational agents across chat, voice, phone, and web without coding. Its visual editor, real‑time collaboration, and secure deployment pipelines streamline design, evaluation, and omnichannel rollout.

BotPenguin lets users build code‑free chatbots for websites, WhatsApp, Facebook, Instagram, Telegram, and Microsoft Teams. A drag‑and‑drop editor, unified inbox, analytics, multilingual support, custom AI personas, automation, and 80+ integrations streamline marketing, sales, and support.

Chat Summary is an AI tool that integrates with LiveChat, automatically generating concise summaries of chat transcripts. It extracts key points, keywords, and sentiment, providing centralized reports and actionable feedback to improve agent performance.

CloseBot automates creation and deployment of conversational AI agents across web, SMS, Facebook, Instagram, WhatsApp, and more. It handles appointment booking, lead qualification, and multilingual support with LLMs, enabling 24/7 real‑time engagement, faster responses, and higher conversions.

Instabot lets businesses build, deploy, and manage AI chatbots on websites, Messenger, SMS, and other channels. With a visual builder and templates, users capture leads, schedule appointments, route to humans, and track performance via analytics.

The AI tool offers advanced features such as voice recognition, image albums, and chat rooms to create AI chat characters for companionship, gaming, roleplay, and knowledge sharing, with developer support and Discord integration.

WiiChat automates real‑time conversations on websites, WhatsApp, Instagram, and Messenger, delivering tone‑matched responses and voice support. It imports documents for expert replies, qualifies leads, tracks interactions, and integrates via API/webhooks with Facebook, Shopify, HubSpot, and more.

Chatclient lets businesses build ChatGPT‑based chatbots trained on uploaded content. It supports 95+ languages, auto‑retraining, custom personas, and white‑label deployment, and integrates with Slack, WhatsApp, Zapier, APIs, and web/mobile apps.

Quickchat AI lets teams create and deploy chatbots for support, sales, lead qualification, and internal assistance. It combines Retrieval‑Augmented Generation with reranking to keep answers current, offers modular knowledge building, workflow design, analytics, GDPR‑compliant data control, and API i

Build Chatbot lets users create, train, and deploy no‑code AI chatbots for websites and messaging channels. It imports PDFs, DOCX, URLs, videos, Excel, and more, auto‑generating content‑aware responses for instant support and lead capture.

Emma lets teams build custom GPT‑4 chatbots that pull data from documents, spreadsheets, databases, or APIs. Each assistant can be deployed to Slack, Zapier, email, or via API, with fine‑tuned permissions per bot.

Quickchat AI is a tool that enables businesses to build chatbots for various purposes using GPT-3 and without coding knowledge. It integrates with messaging apps and live chat software.

AI Chatbot is a GPT‑powered platform that delivers 24/7, error‑free support with global personalization and multilingual capability. It customizes responses using company FAQs, auto‑escalates to humans, and offers easy integration for any business size.

Jio Haptik lets enterprises build AI agents that manage chat, voice, and messaging across multiple channels, using multi‑language NLP, RAG‑enabled knowledge integration, dynamic routing, human handoffs, and secure analytics dashboards.

ChatBotBuilderAI lets users design and deploy custom chatbots and GPTs across websites, social media, email, and voice. It integrates with thousands of apps, supports personalization, multi‑channel delivery, and provides analytics for engagement and conversion insights.

ChatShape builds AI chatbots from a site URL or PDF, auto‑crawls content, trains a model, and embeds it with custom branding. It logs conversations, exports data, and allows updates without rebuilding, boosting support and conversions.

Open source chatbot UI for cloning OpenAI's GPT chat UI

Voice AI platform that builds conversational agents in five clicks, automating support, sales, and billing calls. It integrates natively with CRMs and databases for real‑time actions, supports multi‑OS softphones, and records transcriptions for audits.

HotBot is a web‑based AI hub that aggregates models such as Claude 3, GPT‑4, and Gemini, offering specialized bots for business, education, and creative tasks. It supports natural language, multimodal input, and retains conversation context for relevance.

Agent One is a no‑code platform that lets businesses build white‑labeled AI assistants on custom domains. It supports OpenAI, Claude, and Gemini, offers one‑click deployment, real‑time data fetching, API integration, and multilingual analytics.

YourChat.ai is a free AI messenger fueled by ChatGPT, providing unregistered instant access to information and guidance. Ask about diverse topics and receive prompt responses for versatile queries and engagements.

ChatBetter is a unified AI platform that automatically selects and chains the best language models for any query or complex task. It enables side-by-side response comparison and supports team collaboration with enterprise-grade security and project management.

LiveChatAI uses GPT‑4o to transform a knowledge base into a chatbot that auto‑resolves ~70 % of tickets. It imports content from sites, PDFs, Notion, YouTube, Q&A, supports 95 languages, automates booking, payments, CRM updates, and integrates with WhatsApp, Shopify, WordPress, Slack.

YesChat.ai unifies chat, music, video, and image generation in a browser platform, offering DeepSeek‑R1, GPT‑4o, and Claude 3.5 Sonnet for conversation, royalty‑free music from text, text‑to‑video, and image creation. It supports languages and customizable bots for research and marketing.

Chatbot AI provides access to various AI models for text conversations and image generation. It features an advanced search function, supports idea brainstorming, and allows for both casual and in-depth discussions with fast response times and chat history.

Chat University aids students in the university application process by offering personalized feedback on personal statements, grade comparisons against a program database, and insights on degree options, career paths, and financing to inform decision-making.

ZenCall.ai automates inbound voice routing by intent, sentiment, or CRM value, handling calls 24/7, booking appointments, and syncing with HubSpot, Zendesk, and Salesforce. Global Tier‑1 carrier connectivity and predictive dialing boost connection rates, reduce missed inquiries, and support sales te

ChatFAI lets users converse with characters from movies, books, anime, history, and more. Each chat is private and securely stored. The AI generates natural dialogue, and users can add custom characters, aiding educators, learners, and entertainment seekers.

Chat01.ai is an AI conversational tool leveraging OpenAI's models, enabling users to tackle complex problems across science, coding, and mathematics. It supports image analysis, formula generation, and multi-step workflows, benefiting professionals in various fields.

OneContact unifies voice, chat, WhatsApp, and social media into a single contact‑center interface, offering real‑time agent assistance, bot automation, sentiment analysis, quality monitoring, workforce optimization, and CRM integration for global scalability.

t3 chat is an AI assistant that facilitates efficient communication and information exchange through enhanced search capabilities and mobile access. Its user-friendly interface supports multiple conversation threads, catering to students, professionals, and casual users for diverse inquiries.

Dante AI automates customer support across chat, voice, and phone, pulling real‑time answers from websites or documents. It escalates to humans, logs conversation history, integrates with web, WhatsApp, Instagram, Slack, Teams, Zapier, and manages leads, appointments, and bookings.

OneAI’s AI Phone Call Agent automates phone, SMS, and WhatsApp campaigns with an AI‑native dialer, real‑time lead qualification, CRM integration, 5‑second callbacks, and detailed analytics for scalable, compliant sales outreach.

AI-powered chat tool that allows users to interact with a virtual girlfriend or boyfriend. Choose from over 5000 characters.