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$
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I will build a custom rag ai chatbot
Lahiru W.
About this gig
I will build a custom AI chatbot trained on your business documents, FAQs, website content, or internal knowledge base.
The chatbot will use RAG/vector search to retrieve relevant information from your content and generate more accurate, source-aware answers. This is ideal for customer support, internal documentation search, SaaS help centres, onboarding, and FAQ automation.
This package includes AI LLM integration, RAG setup, a basic chat interface, source-aware responses, a pre-set conversational journey, demo deployment, and source code.
Please message me before ordering so I can review your documents, website, chatbot goal, and deployment requirements.
Get to know Lahiru W.
Lahiru W.
AI Engineer
- FromSri Lanka
- Member sinceDec 2020
- Avg. response time1 hour
- Last delivery3 days
Languages
Sinhala, English
Hi, I’m Lahiru, an AI Engineer and full-stack software engineer with 8+ years of technical experience. I build practical AI systems that help businesses automate workflows, analyse data, answer customer questions, and turn manual processes into reliable applications.
My work includes RAG knowledge-base assistants, AI reporting dashboards, multi-agent workflows, API integrations, and full-stack AI SaaS MVPs. My stack includes Claude code, Codex, Gemini, Next.js, TypeScript, PostgreSQL, Zapier MCP, and APIs.
I focus on systems that are grounded, testable, and useful in real business workflows.
My Portfolio
FAQ
Should I message you before ordering?
Yes. Please message me before ordering so I can review your content, confirm the scope, and recommend the best setup for your chatbot.
Is this just a basic ChatGPT wrapper?
No. This is a knowledge-base chatbot that uses Retrieval-Augmented Generation (RAG), so it can answer based on your provided content instead of relying only on general AI knowledge.
Will the chatbot provide source citations?
Yes. The chatbot can include source-aware responses or basic citations so users can understand where the answer came from.
What do you need from me to start?
I need your documents, website URLs, FAQs, or knowledge-base content, along with a short explanation of what the chatbot should help users with.
Can you add user login or authentication?
Yes. User authentication can be added as an extra service if the chatbot needs to be private or limited to approved users.
Can the chatbot support multiple languages?
Yes. Multi-language support can be added as an extra service depending on the required languages and response behavior.
Can you add user login or authentication?
Yes. User authentication can be added as an extra service if the chatbot needs to be private or limited to approved users.
Do you provide CRM, database, Slack, Notion, or Telegram integrations?
These integrations are not included in the main package, but they can be added as extra services or handled through a custom offer.
Do you provide the source code?
Yes. Source code is included in the package.
Can the chatbot refuse questions that are outside my knowledge base?
Yes. I can add refusal logic so the chatbot avoids answering unsupported questions and instead tells users when the information is not available in the provided knowledge base.
