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Core Nexis vs FinzData

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Core Nexis compared with FinzData
DetailCore Nexis logo Core NexisFinzData logo FinzData
What it doesProduction-ready APIs for email validation, image CDN, PDF and HTML rendering, OCR, QR codes and image conversion Point-in-time market data API for backtesting and quantitative research
StageNot given Not given
FoundedNot given Not given
Based inNot given US
Pricing modelFreemium Freemium
PricingMarkdown to PDF: Free (50/mo), $4.99/mo (1,000/mo), $12.99/mo (5,000/mo), $24.99/mo (15,000/mo), Custom; HTML to PDF: Free (30/mo), $6.99/mo (500/mo), $19.99/mo (2,500/mo), $39.99/mo (8,000/mo), Custom; Image to Text OCR: Free (50/mo), $4.99/mo (500/mo), $14.99/mo (2,000/mo), $29.99/mo (5,000/mo), C Free: 1,000 calls/day, last 12 months of data. Look-back history: $195 for 5 years (one-time), $290 for 10 years, $385 for 15 years, $480 for 20 years, $575 for 25 years, $670 for 30 years, plus $19.95/month for daily updates. Individual products: GEX from $29 per ticker, futures from $49 per market
Key features
  • HTML and CSS rendering for PDF conversion with JavaScript execution
  • OCR with 30+ language support and auto-detection
  • Real-time email verification with SMTP and DNS checks
  • Global CDN with flexible image storage and social sharing
  • QR code and barcode generation with logo embedding
  • Image format conversion across 25+ formats including AVIF, HEIC and JPEG XL
  • Markdown to PDF conversion with syntax highlighting and custom fonts
  • Language-agnostic RESTful APIs supporting multiple programming languages
  • SLA with 99.9% uptime on paid plans
  • 16,000+ US stocks including delisted names with 26+ years of history
  • Point-in-time dealer gamma (GEX) for 11,209 stocks, ETFs and indexes since 2010
  • 22,700+ macro series with historical vintages and revisions
  • Intraday bars at 1-minute, 5-minute, 15-minute, 30-minute, hourly and daily resolutions
  • SEC fundamentals and 13F institutional holdings point-in-time since 2013
  • Python client with yfinance-style interface returning pandas DataFrames
  • MCP server integration for AI agents including Claude and ChatGPT
  • COT positioning data since 1986 for futures markets
  • CSV and Parquet download formats with bulk file options
What makes it different
  • Free tier for all APIs enables testing with real data before paid commitment
  • Trusted by 12,000+ developers worldwide with production-ready, stable APIs
  • Nine integrated APIs covering documents, email, and images in one platform
  • Survivorship-free: includes 9,000+ delisted stocks that broker APIs omit for more realistic backtests
  • Point-in-time accuracy prevents look-ahead bias in fundamentals and macro data
  • All data accessible through single API without stitching multiple sources together
  • Data ownership: purchased history is yours to download and keep forever
  • Intraday bars back 26+ years unlike brokers that provide only 60 days
Community votes00
DR (Domain Rating by Ahrefs)37 +2 (up) since last check2 +1 (up) since last check
Trust Flow (Majestic)33
Citation Flow (Majestic)1826
Referring domains (Majestic)1118

5 details filled in for both companies.

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