AI Chatbot Development
AI chatbots that answer from your data and hand over when unsure.
We build chatbots and agents for WhatsApp and web that cite sources, work in Hindi and English, and route sensitive actions to people.
- WhatsApp and web
- Hindi and English
- Human handover
Free 30-minute call with a senior specialist. Reply within one business day. Based in Jaipur, working with businesses across India.
- Discovery callFree 30 minutes with a senior specialist
- Scoped first phaseWritten scope, timeline and fixed price
- Build with weekly demosWorking software you can see every week
- Launch and supportGo-live with your team ready, then ongoing support
What is AI chatbot development?
AI chatbot development builds conversational assistants that answer questions and complete simple tasks using your own knowledge and systems. Stack18 builds bilingual chatbots for WhatsApp and web with source-cited answers, human handover, PII redaction and a full audit trail.
You need this when…
Tap the ones that apply to you.
AI Chatbot Development, end to end.
Each capability is delivered by the same team on the Agentic SDLC, with your approval at every critical step.
Knowledge chatbot
Answers from your documents.
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Support chatbot
Orders and tickets.
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Sales chatbot
Qualify and route leads.
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Internal assistant
Staff-facing knowledge.
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Guardrails
Safe by design.
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Evaluation
Measure quality.
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A typical engagement, step by step.
Senior people lead every phase. Specialised AI agents on the Agentic SDLC handle the repetitive work, and nothing ships without your approval.
Discover
Map the current process, data and priorities.
Design
Agree modules, integrations and rules.
Build
Configure and extend in weekly demos.
Launch
Data migration, training and go-live support.
Start small. Scale when it works.
Every engagement begins with a short, fixed-price step so you can judge the fit before committing further. See pricing.
Chatbot Discovery
Teams deciding what to build first.
- Duration
- 1–4 weeks
- Pricing
- Fixed price
- Scoped plan and timeline
- Team and fixed price
- Process map or prototype
AI Enterprise OS Launch
Teams that want to go live fast.
- Duration
- 4–5 weeks
- Pricing
- From ₹3.2L, one-time
- 5 modules
- Private AI foundation
- Governance
Custom chatbot build
Needs that a ready-made system does not cover.
- Duration
- 4–16 weeks
- Pricing
- Fixed price per phase
- Weekly working demos
- Senior team accountable
- 30 days hypercare
What we have shipped, and what a typical engagement looks like.
Delivered projects link to the full case study. Illustrative scenarios describe typical engagements and are not named client results.
Education provider
- Challenge
- After-hours admissions queries.
- What we do
- Bilingual bot with counsellor handover.
4 weeks
D2C brand
- Challenge
- Where-is-my-order queries.
- What we do
- Bot answers from order data.
4–5 weeks
VC-backed wellness startup
- Challenge
- A venture-backed clock: Android and iOS had to launch together, with an admin console for the team.
- What we do
- Scoped the MVP, reviewed clickable prototypes, then built both platforms in two-week sprints.
3 months
Read the case study →Free chatbot scoping call
Share your top 20 customer questions. We estimate how many a bot can answer safely.
- Intent analysis
- Containment estimate
- Timeline
We agree targets before we start.
Every engagement has a baseline and a target on the measures that matter to you, reported at every read-out.
AI Chatbot Development questions.
Chatbot or agent?
A chatbot answers; an agent also takes actions through tools. We build both.
Where does data stay?
In your cloud under your permissions.
Hindi?
Yes.
Which channels?
WhatsApp and web.
How is quality tested?
On real past conversations with scorecards.
Cost?
AI Enterprise OS from ₹3.2L one-time excluding GST.
Let's scope your AI Chatbot Development project.
Tell us where you are and where you want to be. A senior specialist will reply within one business day with next steps.
- Free 30-minute consultation
- Indicative estimate after the call
- NDA available on request