Observed arrival · 2026-10-20
Bankday: business-day and settlement-date API
Bankday presents a JSON API for business-day calculations, bank holidays, payment-rail settlement estimates, and FX value dates across many calendars.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Fintech, payroll, lending, and trading developers
- Worth noticing
- The page reports 120,151 holiday records covering 2000–2040, and says its keyless playground allows 50 calls per day.
Field notes
Requests can add or subtract business days, count or list business days, roll dates using following or modified-following conventions, and combine calendars for cross-border calculations. The page also describes rail-specific settlement estimates using FedACH window schedules and FX spot-date calculations with USD-holiday rules. It reports 120,151 holiday records covering 2000–2040, and a keyless playground limited to 50 calls per day.
Observed signals
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Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
⊠LoginAccess appeared gated
$PaidCommerce or pricing visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
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