Api Function Calling Chatbot

you.bot is a multi-model API platform offering unified access to image, video, audio, music, and text generation via a single REST endpoint. It enables developers to switch models seamlessly, manage asynchronous tasks, and integrate with webhooks and polling, all with a consistent schema.

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.

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.

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.

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.

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.

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.

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.

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).

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.

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.

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.

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.

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.

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.

Voice‑enabled AI chatbot works via phone, Zoom, Teams, and web, offering real‑time 24/7 conversations, scheduled calls, memory retention, and actions like emails, calendar events, and Notion notes. It supports business workflows, transcript recording, and custom personas via a developer API.

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.

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.

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.

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.

Athena AI is an AI‑powered chatbot that automates customer communication across web widgets, WhatsApp, Telegram, social networks, and marketplace platforms. It handles inquiries, qualifies leads, screens candidates, and offers 24/7 support with CRM integration, no‑code flow design, and real‑time ana

AIChatOne is a browser extension and web app that lets users chat with 30+ AI models (GPT‑5, Claude, Gemini, etc.), with real‑time browsing, document upload, voice interaction, encrypted local keys, and searchable chat history.

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.

Napi Bot offers a single‑command API that links Google Assistant to smart‑home devices and GPT services. With clear docs and API‑key authentication, developers can trigger device actions or generate responses, enabling automated home control and conversational flows.

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.

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

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.

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.

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.

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

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.

FanChat is an AI-powered chatbot that allows users to engage in virtual conversations with various celebrities, famous and virtual characters

Create a custom AI chatbot without coding. Upload documents or site content to train it, then deploy via a single code snippet on WordPress, Shopify, or any site. Manage chats, export logs, and view engagement analytics.

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.

Talkiemate AI Companion offers personalized virtual personas for engaging conversations. Users can explore varied narratives, adapt interactions to preferences, and enjoy secure, private chats thanks to end-to-end encryption and an intuitive interface. Multiple language support enhances accessibilit

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.

Webbotify trains a chatbot directly from your site’s content, delivering instant multilingual responses in 95 languages. One‑line code deployment, email capture for lead generation, analytics, brand‑customizable UI, and automatic updates from new documents keep support current and secure.

BotPress is a platform for building and managing AI agents that power contextual, stateful conversations. It features an Agent Studio for rapid creation and supports extensive integrations, knowledge bases, and custom code for automation across various industries.

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.

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.

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.

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.

mybot.chat allows users to create customizable AI chatbots for customer support and lead generation without coding. It offers 24/7 assistance, lead qualification, data encryption, and memory features for continuous learning and improved response relevance.

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.

ChatNode transforms website and knowledge‑base content into autonomous support agents that learn continuously, handle tasks like bookings and invoicing, integrate with WordPress, Slack, Notion, Zapier, and provide analytics for satisfaction and flow refinement, all via no‑code setup.

Chat Thing lets organizations build custom ChatGPT bots trained on internal content from Notion, websites, YouTube, and more. Deploy across web, Slack, Discord, WhatsApp, Telegram, and email with automated syncing, multilingual support, response guards, and analytics.

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.

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.