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Core Nexis vs RunAPI

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 RunAPI
DetailCore Nexis logo Core NexisRunAPI logo RunAPI
What it doesProduction-ready APIs for email validation, image CDN, PDF and HTML rendering, OCR, QR codes and image conversion One API key for every AI model with unified billing and schema-first integration
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Not given
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 Pay-as-you-go token-based billing. Video models from $0.0096/second to $2.52/video. LLM models from $0.05/1M input tokens. Audio and image models vary by capability. No subscriptions, no minimums, credits never expire. Failed generations not charged.
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
  • Single API key for 250+ models across all providers
  • Pay-as-you-go billing with no subscriptions or minimums
  • Schema-first SDKs for six languages
  • Real-time pricing transparency
  • Per-project API keys for team access control
  • Automatic task polling and webhook support
  • Agent integration with OpenClaw and Hermes
  • Usage analytics and spending controls
  • Credits that never expire
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
  • One authentication method unlocks the entire catalog across all AI model providers with no separate credentials to manage
  • Transparent per-call pricing billed monthly with no hidden markups and failed requests not charged
  • Pre-built typed schemas and constraints delivered through model skills for agent code generation
  • Unified billing across all modalities and providers in a single monthly invoice
  • Integrates natively into Claude Code, Cursor, and other developer agent environments
Community votes00
DR (Domain Rating by Ahrefs)37 +2 (up) since last check35 no change since last check
Trust Flow (Majestic)37
Citation Flow (Majestic)1837
Referring domains (Majestic)11125

4 details filled in for both companies.

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