AI Chatbot Development Company

AI Chatbot Development Services That Actually Convert

Your one-stop AI chatbot partner. We build smart assistants that answer from your own data, handle support and sales 24/7, and plug into WhatsApp, your website and your CRM.

Trusted by teams worldwide

Connexate Meshmedia Oaky Setia Haruman Wave Sugar

Custom AI Assistants for Support and Sales

From a simple FAQ bot to a multi-channel AI agent. Six service lines cover every part of building a chatbot that ships and performs.

01

Custom AI Chatbots

  • Built on GPT-4o, Claude or Gemini
  • Tuned to your brand voice
  • Handles support and sales 24/7
  • Human handoff when needed
  • Multilingual out of the box
Explore Chatbots
02

RAG on Your Data

  • Answers grounded in your content
  • Docs, PDFs, sites and databases
  • Always up to date, no hallucination
  • Source citations
  • Private and secure
Explore RAG
03

Omnichannel Bots

  • Website and in-app widgets
  • WhatsApp and Messenger
  • Slack and Microsoft Teams
  • SMS and email
  • One brain, every channel
Explore Channels
04

Voice Bots

  • Real-time voice agents
  • Sub-second responses
  • Multilingual ASR and TTS
  • Call deflection and IVR replacement
  • Sentiment-aware escalation
Explore Voice
05

Integrations

  • CRM, helpdesk and ERP
  • Bookings and payments
  • Order status and lookups
  • Secure APIs and webhooks
  • Workflow automation
Explore Integrations
06

Analytics & Guardrails

  • Conversation analytics
  • Evaluation and quality checks
  • Safety and content guardrails
  • Continuous improvement
  • Full audit trail
Explore Analytics
Deep Capabilities

Production Chatbots, Not Demo Code

Six engineering disciplines behind every AI assistant we ship, and the tools we use for each.

LLM Chatbots

LLM Chatbots

Assistants built on GPT-4o, Claude and Gemini, tuned to your voice and use case.

GPT-4oClaudeGeminiPrompting
RAG Pipelines

RAG Pipelines

Retrieval on your private data so answers are accurate, current and cited.

RAGVector DBEmbeddingsLangChain
Omnichannel

Omnichannel

One assistant across web, WhatsApp, Slack, SMS and your app.

WhatsAppWebSlackSMS
Voice AI

Voice AI

Real-time voice agents with sub-second latency and multilingual speech.

ASRTTSVAPIWhisper
Integrations

Integrations

Secure connections to your CRM, helpdesk, bookings and payment systems.

CRMWebhooksAPIsAutomation
Guardrails

Guardrails

Evaluation, safety guardrails and analytics that keep the bot on-brand and safe.

EvalsGuardrailsAnalyticsAudit
Free Chatbot Blueprint

Thinking About a Chatbot? Get a Free Blueprint.

A short call turns your goals into a clear plan: use cases, channels, the right model and a fixed budget. So your first dollar goes toward something that ships and performs.

Get Your Free Blueprint

Free · No obligation · Delivered within 48 hours

Planning your project with Appther
Our Process

From Idea to Live Bot in Five Phases

A proven process that removes the science-project risk from AI adoption.

1
Week 1

Discovery

We map use cases, channels and success metrics, and agree a fixed quote.

2
Week 1–2

Data & Knowledge

We connect and prepare your content so the bot answers accurately.

3
Week 2–5

Build & Tune

We build the assistant, integrations and guardrails, then tune on real questions.

4
Week 4–6

Test & Evaluate

We run evaluation sets and red-teaming to make sure answers are safe and correct.

5
Ongoing

Launch & Improve

We go live, monitor conversations and keep improving from real usage.

Measurable Impact

Numbers From Shipped Bots

62%

Tickets deflected

Typical share of support questions our bots resolve with no human.

24/7

Always on

Instant answers for customers, in every time zone.

3x

Faster responses

Versus a human queue, for common questions.

200+

AI projects

Delivered across support, sales and operations worldwide.

Tech Stack

The Stack Behind Our Chatbots

GPT-4o Claude Gemini Llama 3 LangChain LlamaIndex Pinecone RAG Python Node.js WhatsApp API Twilio VAPI AWS Pinecone
Industries

Built for Your Vertical

Every bullet is something we've actually shipped, not a sales pitch.

Healthcare solutions
01

Healthcare & Fitness

HIPAA-ready products for patients, providers and wellness.

  • Booking and telehealth
  • Wearable integration
  • Secure patient records
Fintech solutions
02

Fintech & Banking

Secure, compliant products for payments and money movement.

  • Wallets and KYC flows
  • Biometric auth
  • Real-time transactions
Retail and eCommerce solutions
03

Retail & eCommerce

Commerce that converts and keeps customers coming back.

  • Catalog and checkout
  • Recommendations
  • Loyalty and campaigns
On-demand and logistics solutions
04

On-Demand & Logistics

Real-time products for delivery, dispatch and field teams.

  • Live tracking and routing
  • Driver and customer apps
  • In-app payments
EdTech solutions
05

EdTech & Learning

Engaging learning products for students and coaches.

  • Courses and quizzes
  • Live classes
  • Gamification
Real estate and PropTech solutions
06

Real Estate & PropTech

Property products for search, tours and lead capture.

  • Map search
  • Virtual tours
  • In-app enquiries
Client Voices

Trusted By Teams Who Ship

“Appther built our student competition app exactly the way we envisioned it: easy registration, smooth judging, and real-time results that keep participants engaged.”
Dionna Milem
Dionna MilemOwner · My BOB Team LLC
“Building a mental health app means every detail has to be handled with care, and Appther got that from day one. The product feels warm, simple, and genuinely helpful.”
Bob Singhal
Bob SinghalProfessor of Joy · Joyscore Inc
“Appther exceeded every expectation, on time and on budget, and the final product has been instrumental in scaling our business. A rare engineering partner.”
Johnathan Peffer
Johnathan PefferCEO · Bull's Eye Technologies Inc
“Implementing an ERP across our operations felt daunting at first, but Appther made the transition seamless. Every department now works off a single source of truth.”
Pushpender Kumar
Pushpender KumarGeneral Manager · AB Sugar Ltd
Latest Insights

Notes on Building Great Chatbots

Field notes from real builds. No hype, just what worked and what didn't.

All Articles
Free 30-Minute AI Strategy Call

The Best Chatbots Start With One Conversation. Yours Starts Here.

Walk away from one call with a shortlist of use cases, the right model and channels, a realistic budget range and a 2 to 4 week pilot plan. No pitch deck, no obligation.

Scope shortlist Budget range Delivery timeline
Book My Free Call
200+Projects delivered
4.8★Client rating
15+Countries served
99.9%Production uptime
FAQ

Questions We Hear Every Week

A focused bot starts in the low five figures, while multi-channel assistants with deep integrations run higher. You get a clear, fixed-price quote after a free scoping call, with no open-ended billing.
We use retrieval augmented generation. Your documents, site and databases are indexed, and the bot retrieves the right facts before answering, with citations and no made-up content.
Web and in-app widgets, WhatsApp, Messenger, Slack, Microsoft Teams, SMS and email. One assistant, many channels, all sharing the same knowledge.
Yes. We integrate with CRMs, helpdesks, ERPs, bookings and payments through secure APIs and webhooks, so the bot can look things up and take action.
We add evaluation sets, safety guardrails and analytics, and tune the bot on real questions. You get an audit trail and a process for continuous improvement.
Private model deployments, encryption in transit and at rest, and role-based access. NDAs are available before any discovery conversation.
An Engineer Replies Within One Business Day

Let's Build Your AI Chatbot

Tell us what you want your chatbot to do. No sales pitch, just a straight answer on scope, timeline and cost.

Free 30-min strategy callScoping and honest, practical advice.
Fixed-price quoteDetailed scope and price after discovery, no surprises.
NDA on requestYour idea and code always stay yours.
Prefer to talk now?+91 99114 32288 · sales@appther.com

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🔒 Your details are never shared. NDA available on request.