Document assistant AI tools with API

ChatPDF lets users upload PDFs for conversational queries, mapping content and providing cited answers. It supports folders for combined documents, side‑by‑side chat and source viewing, and offers multilingual input and output.

Nanonets automatically extracts structured data from invoices, receipts, IDs, and other documents without predefined templates. It offers end‑to‑end workflows, native CRM/ERP integration, and a visual designer for rapid, no‑code deployment across finance, supply‑chain, HR, and legal operations.

SiteGPT builds a custom AI customer support agent from a company’s website and documents. It can be embedded across pages, syncs updates, supports 95+ languages, integrates with Intercom and Zendesk, and delivers analytics and lead capture.

AskYourPDF lets users upload PDF or text files to ask questions and retrieve instant answers. It instantly summarizes long documents, supports keyword search across multiple files, and offers a shared library with mobile, Chrome, and plugin access, all GDPR‑compliant.

Docsumo is a document AI platform that enhances document processing through automatic classification, smart table extraction, and human-in-the-loop review. It efficiently handles various formats, improving speed, accuracy, and operational efficiency in data extraction and analysis.

Instafill.ai PDF and Word form completion, extracting fields and mapping semantically to fill up to 100 pages in 25–60 seconds. It supports batch CSV uploads, converts scanned images, offers workspaces with AES encryption and 2‑FA, and integrates via API/webhooks.

ChatDOC lets users ask questions about PDFs, DOCs, EPUBs, MD, and TXT while preserving layout, tables, formulas, and images. It returns answers with source citations, supports 25+ languages, and offers API/SDK integration.

ChatWP is an AI chatbot for Wordpress that can answer questions accurately, provide helpful tips, and offer custom support, interactive Q&A bot, and API integration with other products.

iTextMaster, powered by ChatGPT, is an AI tool that expertly analyzes, summarizes, and navigates through large PDF documents using advanced chat capabilities for efficient insights and responses.

Upload PDFs, Word, and scanned documents to create AI‑powered conversational agents that answer questions, summarize content, explain tables, and provide citations. Supports 100+ languages, collaborative workspaces, cross‑platform use, customizable tone, speech modules, and secure SOC 2/GDPR compliance.

Peedief is a REST API for HTML-to-PDF template generation, binding JSON data to templates with conditionals, loops and nested objects. It provides SDKs, webhooks, preview URLs, automation integrations and enterprise delivery and uptime.

MarkItDown is a document-to-Markdown converter that turns PDFs, Office files, web pages, images, and tables into clean, LLM-ready Markdown. It preserves structure, supports OCR and editing, and integrates with RAG, search, and vector database pipelines.

PDF.ai lets users upload PDFs and chat for questions, summaries, and data extraction. It parses documents into structured JSON, detects sections, tables, and figures, and supplies source‑cited answers via a RESTful API for rapid, secure analysis.

WebPilot is a GPT‑integrated browser extension that enables live web search and QA, delivering up‑to‑date answers from current pages. It supports 10,000‑word report generation, offers an embedding API, and is open source with community support.

Docalysis is an AI chat platform that parses PDF documents and instantly answers user queries, cutting reading time by up to 95%. It supports batch processing, API and embedding, and stores files securely for professional use.

Chat with Your PDF lets users ask natural‑language questions to PDFs and receive instant, vector‑search‑driven answers that display source excerpts. It speeds up research, study, and professional document review.