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With API data 147

Browse the best with api data tools on Listof.Best — 147 options, ranked by popularity. Compare features, pricing and alternatives at a glance.

EaseUS Online Video Repair

analytics

Ask questions about PDF documents instantly

Free From $8.9 53 · 62,014 votes

Semantic Scholar

research

AI search engine for scientific literature

Free 53 · 1,442 votes

ChatPDF AI

analytics

Q&A and analysis for PDFs

Paid 48 · 64,461 votes

Hex

analytics

Agentic notebooks and conversational analytics

Free From $49 48 · 37,582 votes

Exa

analytics

Real-time web search API with content extraction

Free 47 · 19,196 votes

Llamaindex

analytics

Agentic OCR for complex documents and messy tables

Free 46 · 54,178 votes

Fabric

research

Personal AI workspace for writing, creation, and collaboration

Paid 46 · 54,414 votes

LightPDF

analytics

AI-powered PDF editing and conversion

Paid 45 · 6,249 votes

Spellbook

documents

AI contract review in Word

Free 44 · 56,894 votes

Humata

analytics

Turn documents into an AI-powered knowledge base

Free From $9.99 44 · 57,538 votes

iAsk AI for Homework Help

research

Free AI search engine for questions and homework

Paid 43 · 47,809 votes

Encord

analytics

Multimodal data annotation and curation platform

Free 42 · 39,433 votes

Ask Your PDF

analytics

Chat with PDF documents

Free 42 · 55,007 votes

Qdrant

research

Open-source vector search engine

Free 42 · 17,111 votes

Kits AI

research

AI voice synthesis, singing styles, and instrument simulation

Free 41 · 21,498 votes

Voxpopme

analytics

Collect and analyze video feedback

Free 40 · 56,095 votes

Search Salaries. Benchmark Compensation & Careers

research

Career benchmarking and salary data

Free 40 · 19,846 votes

Free Online Paraphrasing Tool

analytics

Rewrite sentences and articles

Free 40 · 46,159 votes

Transform complex, document-heavy workflows with AI agents

analytics

AI platform for document processing and data extraction

Free 38 · 60,399 votes

BlockSurvey

analytics

AI survey design and analysis

Free 38 · 7,572 votes

Snackz.ai

analytics

Personalized book recommendations

Free 38 · 58,520 votes

Informly

analytics

Personalized marketing content across channels

Free 38 · 64,844 votes

Discute

analytics

Chat with your knowledge base

Paid 38 · 63,122 votes

FileGPT

analytics

Chat with documents and files

Free 38 · 62,988 votes

The range within this category is wide. Tools like Text2SQL and Lovespreadsheets lower the barrier for non-technical users to query databases or work with spreadsheets, while platforms like Coactive and Arria are built for enterprise-scale data narration and unstructured data processing. Hunchbank and Wope address analytics and tracking use cases, and FlowCharts.ai helps visualize workflows and data logic. When evaluating, consider whether you need a tool that connects to live data sources, generates static reports, or supports ongoing querying. Data privacy and where your data is processed matters more here than in most other AI categories, especially for sensitive business or customer data. Pricing varies from free tiers for limited datasets to enterprise contracts for tools with robust connectors and compliance features. Accuracy of generated SQL or analysis outputs should always be validated, particularly in high-stakes reporting contexts.