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Dev tools · March 5, 2026

Working Days & SLA Calculator API

Instantly calculate SLAs, ETAs, and T+2 settlement dates.

What it does

Stop hard-coding calendars. A simple API to calculate target dates by skipping weekends, national/regional public holidays, and financial stock market closures (NYSE, etc.). Ideal for E-commerce, HR SaaS, and Fintech.

Does a similar job

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