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Last updated 6 Mar 2025

Why document processing is essential for AI chatbots

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By Dillin Corbett


This post is part five of an eight-part series about Telnyx's journey to create a high-performing customer support AI chatbot. Stay tuned as we walk you through why and how the Telnyx team built an AI chatbot you'll want to emulate for your support team.

A chatbot is only as useful as the information it can access. Without structured knowledge, AI chatbots risk providing incomplete, irrelevant, or outdated answers.

Many businesses struggle with chatbot implementations because their knowledge bases are fragmented across PDFs, help center articles, APIs, and databases. If a chatbot can’t quickly and accurately retrieve information, customers will still need human agents, even for routine and repetitive tasks. This reliance on people for menial projects defeats the purpose of automation.

To solve this issue, the Telnyx team designed a structured document processing pipeline for the Telnyx AI chatbot, enabling it to:

  • Process diverse document types (Markdown, JSON, PDFs, Intercom articles, etc.)
  • Retrieve relevant information instantly to answer customer queries
  • Maintain structured, scalable knowledge storage

In this post, we’ll explore how AI chatbots process both structured and unstructured data, the design of a flexible and scalable document pipeline, and the advantages of automating knowledge retrieval to improve chatbot efficiency and accuracy.

How chatbots handle structured vs. unstructured data

Not all knowledge is stored in clean, structured databases. Many businesses rely on:

  • PDFs and Markdown files (Technical documentation, policies, manuals)
  • Intercom or Zendesk articles (Support articles and FAQs)
  • JSON and APIs (Product catalogs, customer records)
  • Unstructured text (Emails, chat logs, raw text data)

Without a proper pipeline, a chatbot would struggle to find relevant answers. That’s why we developed a document processing system that ingests, structures, and retrieves knowledge dynamically.

The Telnyx chatbot’s document processing pipeline

Managing diverse knowledge sources is key to chatbot accuracy. Our pipeline streamlines document ingestion and retrieval, helping the chatbot provide instant, reliable answers. Here’s how it works:

Step 1: Document ingestion

Our chatbot ingests content automatically from multiple sources, including:

  • Support center articles (via Intercom API)
  • Technical docs (Markdown, PDFs)
  • Product data (JSON from APIs)
  • Knowledge bases (Manually uploaded reference materials)

This process ensures the chatbot can always access the latest information without requiring manual updates.

Step 2: Structuring and segmenting content

Once a document is ingested, it must be broken down into structured sections so the chatbot can process it efficiently.

  • Markdown and PDFs are converted into sections with headings and paragraphs
  • JSON and APIs are mapped to key-value pairs for direct retrieval
  • Support articles are indexed with metadata (e.g., categories, tags)

Example

If a user asks, "How do I set up SIP trunking?", the chatbot doesn't need to process an entire 20-page PDF. It retrieves only the relevant section.

Step 3: Intelligent document retrieval

Once documents are structured, we implement smart retrieval mechanisms to ensure fast, context-aware answers.

  • Vector-based search uses embeddings and semantic search to find the most relevant content
  • Keyword matching ensures chatbot responses are based on direct document references
  • Document ranking prioritizes high-confidence answers over generic responses

Example use case

User: How does Telnyx handle fraud prevention?"

Chatbot retrieves the relevant security policy section and summarizes it.

Chatbot: Telnyx uses AI-driven fraud detection and multi-layer security measures. You can read more in our security documentation here.

Without structured document processing, the chatbot might return generic or incomplete answers, leading to customer frustration.

Key benefits of a structured document pipeline

By implementing this pipeline, our chatbot achieves:

  • Faster response times. No need to scan full documents. Only relevant sections are retrieved.
  • Improved answer accuracy. AI responses are grounded in verified documentation.
  • Better knowledge management. New articles and documents are automatically indexed.
  • Scalability. Supports growing knowledge bases without performance loss.

But these benefits go beyond theory. Businesses are already using AI-powered document processing to streamline support and automate workflows.

Real-world applications of AI-powered knowledge retrieval

A well-structured document processing pipeline transforms how businesses handle customer support. Here’s how companies can leverage it:

Customer support chatbots

Conversational AI chatbots enhance customer service by:

  • Instantly retrieving relevant information from knowledge bases
  • Reducing ticket volume
  • Providing 24/7 assistance.

Instead of making customers search for answers, chatbots can pull details from structured documents and deliver precise responses in real time. This automation speeds up resolutions, improves customer satisfaction, and allows human agents to focus on complex issues.

Internal knowledge assistants

Companies use AI-driven assistants to streamline internal operations by providing employees with instant access to documentation, policies, and training materials. Whether answering HR-related questions, assisting with IT troubleshooting, or offering compliance guidance, these assistants eliminate the need for manual searches. Employees save time, get accurate information faster, and reduce dependency on internal support teams.

Search assistants for businesses

AI-powered search tools turn static documents into interactive, searchable resources. Businesses can use them to help employees and customers quickly find relevant information, whether from user manuals, legal documents, or product catalogs. By leveraging natural language processing (NLP), these assistants improve search accuracy, reduce frustration, and enhance productivity across industries.

Looking ahead: Simplifying chatbot development with Telnyx Flow

Without a structured document processing pipeline, even the most advanced AI can struggle to provide accurate, timely responses. By organizing knowledge sources, implementing intelligent search, and automating retrieval, businesses can ensure their chatbots deliver real value. These improvements can reduce support costs and improve customer satisfaction.

At Telnyx, we’ve built AI-powered solutions that streamline document processing and optimize chatbot performance. With Telnyx Flow, businesses can create AI-driven support chatbots without the complexity of custom development. Flow offers prebuilt AI integrations, real-time knowledge retrieval, and scalable automation. With these tools, teams can build smarter, more efficient chatbots in minutes.


Contact our team to build a smarter, more efficient support chatbot that can elevate your customer support with Telnyx Flow.

And stay tuned for our next post, where we'll explore how Telnyx Flow enables a low-code, drag-and-drop approach to AI chatbot creation, making it accessible for both developers and non-technical users.
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