TariffTrust vs TradingCalendars.com

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

TariffTrust compared with TradingCalendars.com
Detail	TariffTrust	TradingCalendars.com
What it does	US tariff API with official sources for every duty and fee	Market holiday and status APIs for financial markets
Stage	Not given	Not given
Founded	Not given	Not given
Based in	FR	SG
Pricing model	Freemium	Freemium
Pricing	Free plan: $0/month for calculator only. Essentials: $49/month or $37/month billed yearly ($441 yearly, save $147) with 5,000 workspace estimates, saved estimates, origin comparison, and 100 tracked products. Pro: $99/month or $74/month billed yearly ($891 yearly, save $297) with 10,000 estimates an	Free: 10 API calls/day. Bank & Currency Holidays: $99/mo with 100,000 API calls/day. Exchange Trading & Settlement Holidays: $99/mo with 100,000 API calls/day. All-in-one: $169/mo with 100,000 API calls/day. 15% discount available on yearly plans.
Key features	Batch estimates for up to 200 products counted once Saved estimates with replay and proof export Up to 120 API requests per minute	REST API with JSON and CSV formats Live market open/close status for all exchanges Historical and forward holiday dates MCP server for AI agents Dashboard CSV downloads Coverage of 50 currencies and 61 exchanges Daily data updates Observed vs. original dates for settlement logic Half-day and early close times flagged Client libraries for Python, Java, MATLAB, Excel, Node.js, and R
What makes it different	Each duty amount sourced to official dated documents Official sources checked every 6 hours for freshness Covers Sections 301, 232, 201, 338 and trade agreements Handles merchandise and harbor maintenance fees once per declaration	Data sourced from central banks, exchanges and official government sources, reviewed daily Hosted MCP server allows AI assistants like Cursor and Claude to query calendars directly No-code CSV downloads from dashboard for non-developers Specialized for financial markets with 69 financial centres covered Covers all holiday types affecting financial settlement
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	0	0
Referring domains (Majestic)	0	0

6 details filled in for both companies.

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