calendar
Africa Compliance Data
Public holidays and business days for all 54 African countries, from official sources
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
PUBLICAPI / API directory
Calendar
Know the limits. Build further.
Listings from all sources in this category. Source listings are not independent verification.
Categories (61)
22 APIs found
calendar
caldays
Public holidays for 195+ countries
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
calendar
Calendarific
Worldwide Holidays
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
calendar
Checkiday - National Holiday
Industry-leading holiday data with over 5,000 holidays and thousands of descriptions
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
calendar
Church Calendar
Catholic liturgical calendar
HTTPS: no · CORS: unknown
github-public-apis
Source listing · not independently checked
calendar
CountdownsHQ
Dates and timezone-correct countdowns for 150+ holidays and observances in 18 countries
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
calendar
Czech Namedays Calendar
Lookup for a name and returns nameday date
HTTPS: no · CORS: unknown
github-public-apis
Source listing · not independently checked
calendar
Festivo Public Holidays
Fastest and most advanced public holiday and observance service on the market
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
calendar
Google Calendar
Display, create and modify Google calendar events
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
calendar
Hebrew Calendar
Convert between Gregorian and Hebrew, fetch Shabbat and Holiday times, etc
HTTPS: no · CORS: unknown
github-public-apis
Source listing · not independently checked
calendar
Holidays
Historical data regarding holidays
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
calendar
India Public Holidays
Official Indian public holidays for the Central government and 36 states/UTs
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
calendar
Intellibook
Appointment booking and availability API for salons and clinics
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
calendar
LectServe
Protestant liturgical calendar
HTTPS: no · CORS: unknown
github-public-apis
Source listing · not independently checked
calendar
Nager.Date
Public holidays for more than 90 countries
HTTPS: yes · CORS: no
github-public-apis
Source listing · not independently checked
calendar
Namedays Calendar
Provides namedays for multiple countries
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
calendar
Non-Working Days
Simple REST API for checking working, non-working or short days for Russia, CIS, USA and other
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
calendar
Non-Working Days
Database of ICS files for non working days
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
calendar
Public Holidays
Data on national, regional, and religious holidays via API
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
calendar
Russian Calendar
Check if a date is a Russian holiday or not
HTTPS: yes · CORS: no
github-public-apis
Source listing · not independently checked
calendar
The Calendar
Public holidays for US states and 30 countries plus sports and finance calendars as static JSON
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
calendar
UK Bank Holidays
Bank holidays in England and Wales, Scotland and Northern Ireland
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
cryptocurrency
0x
API for querying token and pool stats across various liquidity pools
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
No results. Clear a filter or try another search term.
From discovery to implementation
Build with understanding.
Practical API integration guides, separate from catalog listings.
All guides →- GeoJSON to a map: valid numbers do not prove coordinate order →
- Read a damaged JSON sequence without pretending it is complete →
- JSON intake: reject ambiguous bytes before checking the resource schema →
- Read Problem Details without turning an error message into a decision rule →
- A relative API link is not text to append to a domain →
A guide for your situation
Your answers stay in this page until you explicitly submit them. Unsaved answers disappear on reload.
Saving is not configured. No answers or contact details are submitted or saved.
Which integration step helps you move forward?
30 short questions about APIs and connecting data. Selecting an answer moves to the next question. You can go back, change answers, or skip. This is a practical reading route, not a scientific test.
JavaScript is required for this guide.
Contact & corrections
Send a question or report a correction using this form.
Only after Send are your name, email, subject and message sent to the contact service to handle your message. This is not a newsletter signup. Unsent text disappears on reload. Privacy information
Preview: sending is not configured. This form does not send or save anything.