infrastructure for AI

Before your AI hallucinates,
Factagora verifies.

Purpose-built APIs to ground your AI in verified facts, evidence, and causal reasoning.

Trusted by forward-thinking teams

NVIDIAGartnerKB Financial GroupOCBCShin & KimMinistry of SMEs and StartupsNVIDIAGartnerKB Financial GroupOCBCShin & KimMinistry of SMEs and Startups

Products

One platform, every trust layer

inflation rate 2024
Reuters2h ago
Global inflation hits 3-year low
0.97
BBC4h ago
Central banks signal rate cuts ahead
0.91
AP News6h ago
IMF revises growth forecast upward
0.85
Fact Checker
Evidence Finder
Query decomposition
Source retrieval
Cross-verificationrunning...
Synthesis & reportqueued
claim frequency · topic: AI regulation
trend: ↑ 22% last 30d
Interest Rates ↑USD Strength ↑Inflation fallsMarket rallyEquity ↑Bond yield ↓
Developer

Factagora API

/news-search

Semantic real-time news search

Search news by meaning, not keywords. Articles ranked by relevance and source credibility for accurate AI reasoning.

/fact-checker

Word-by-word claim verification

Cross-check every claim in AI output against original sources. Flag what's verified, disputed, or unsubstantiated.

/evidence-finder

Automatic evidence retrieval

Rank supporting and opposing evidence by strength across papers, reports, and news sources.

/deep-research

Staged deep research pipeline

Decompose queries, gather multi-source evidence, cross-verify, and synthesize a final report.

/timeseries

Fact evolution tracking & trend detection

Track how claims shift over time. Quantify when facts changed to cut AI hallucination at the source.

/causality-graph

Causal graph for conclusion validation

Auto-infer and visualize causal structures. See which premises support conclusions and where reasoning breaks down.

Chrome Extension

DeepVerify

Verify facts with multi-hop reasoning inside your Chrome browser.

Learn more
ChatGPT App

Agora

Mention @agora in ChatGPT to turn any claim into an interactive AI-debate graph.

View integration guide

Who we serve

Built for everyone who can't afford to be wrong

From global enterprises to independent creators. Factagora fits wherever truth matters.

Journalists & Newsletter Creators

AI speeds up your drafts. Factagora makes sure every fact holds up before your byline is attached. The pre-publish layer for writers who publish under their own name.

Enterprise Legal & Compliance

One wrong case number, one outdated statute. That's a liability. FactBlock restructures documents at scale so your team can verify, cite, and act with confidence.

AI Professionals & Consultants

Your deliverables go to clients with your name on them. AI hallucinations become your liability. DeepVerify is the last check before you hit send.

Case Study

Proven at Scale

Korea's top 5 law firm transformed their legal research with Factagora. Over 350,000 documents restructured into verifiable FactBlocks.

Read Case Study

Factagora demonstrated lawyer-like logic, saving our lawyers time while enhancing trust in our AI services.

J

Junkyu Ahn

Lawyer at Shin & Kim LLC

The time we spend on document verification has been reduced dramatically. Hours now takes minutes.

L

Legal Research Team

Shin & Kim LLC

Our team now has complete confidence in AI-generated insights. The verification layer changed everything.

S

Senior Partner

Shin & Kim LLC

Get Started

Before your AI hallucinates,
Factagora verifies.

The only API built for factual verification. Contact us to get access.

Factblock