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API and Integration Alternatives
Discover the best API platforms, integration tools, and service connectors for your applications.
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1.3K+ tools collected
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Namedays Calendar
Namedays for multiple countries
Calendar
Provides namedays information for multiple countries and cultural traditions.
Nager.Date
Public holidays for 90+ countries
Calendar
Access public holidays information for more than 90 countries worldwide through a simple API.
LectServe
Protestant liturgical calendar
Calendar
Access Protestant liturgical calendar information including lectionary readings and church seasons.
Holidays API
Historical data regarding holidays
Calendar
Access comprehensive historical data regarding holidays for multiple countries and regions.
Hebrew Calendar
Convert between Gregorian and Hebrew calendars
Calendar
Convert between Gregorian and Hebrew calendars, fetch Shabbat and Holiday times, and more.
Google Calendar
Display, create and modify Google calendar events
Calendar
Official Google Calendar API to display, create and modify Google calendar events and schedules.
Festivo Public Holidays
Advanced public holiday and observance service
Calendar
Fastest and most advanced public holiday and observance service on the market with comprehensive coverage.
DigiDates
Various date and time calculations
Calendar
Comprehensive date and time calculation service for various calendar and scheduling needs.
Czech Namedays Calendar
Czech namedays lookup service
Calendar
Lookup for a name and returns nameday date according to Czech calendar traditions.
Church Calendar
Catholic liturgical calendar API
Calendar
Access Catholic liturgical calendar information including feast days, seasons, and liturgical events.
Calendarific
Worldwide holidays API service
Calendar
Comprehensive worldwide holidays data service covering multiple countries and holiday types.
Abstract Public Holidays
National, regional, and religious holidays data
Calendar
Access data on national, regional, and religious holidays worldwide through a comprehensive API.
Trello
Boards, lists and cards for project organization
Business
Boards, lists and cards to help you organize and prioritize your projects with collaborative project management.
Tomba Email Finder
Email finder for B2B sales and marketing
Business
Email finder for B2B sales and email marketing with email verification capabilities.
Tenders in Ukraine
Procurement data for Ukraine
Business
Get data for procurements in Ukraine in JSON format for business intelligence and market research.
Tenders in Spain
Procurement data for Spain
Business
Get data for procurements in Spain in JSON format for business intelligence and market research.
Tenders in Romania
Procurement data for Romania
Business
Get data for procurements in Romania in JSON format for business intelligence and market research.
Tenders in Poland
Procurement data for Poland
Business
Get data for procurements in Poland in JSON format for business intelligence and market research.
Tenders in Hungary
Procurement data for Hungary
Business
Get data for procurements in Hungary in JSON format for business intelligence and market research.
SwiftKanban
Kanban software for workflow visualization
Business
Kanban software to visualize work, increase organizations lead time, throughput and productivity.
Square
Easy way to take payments and manage refunds
Business
Easy way to take payments, manage refunds, and help customers checkout online through Square's payment platform.
Smartsheet
Programmatically access Smartsheet data
Business
Programmatically access and manage Smartsheet data and account information for project management.
Redash
Access queries and dashboards on Redash
Business
Access your queries and dashboards on Redash for business intelligence and data visualization.
MarkerAPI
Trademark search API
Business
Search and access trademark information for intellectual property research and brand protection.
Mailjet
Marketing email and mail templates API
Business
Send marketing emails and mail templates made in MJML or HTML through comprehensive email API.
Mailchimp
Send marketing campaigns and transactional emails
Business
Send marketing campaigns and transactional emails through Mailchimp's comprehensive email platform.
LogoKit
Logo API for brands, stocks, and cryptocurrencies
Business
Comprehensive logo API providing access to brand logos, stock symbols, and cryptocurrency logos.
Instatus
Status page maintenance and incidents API
Business
Post to and update maintenance and incidents on your status page through an HTTP REST API.
NioLeads
LinkedIn email finder and email verifier
Business
LinkedIn email finder and email verifier for B2B lead generation and sales prospecting.
Google Analytics
Collect, configure and analyze your data
Business
Collect, configure and analyze your data to reach the right audience with comprehensive analytics.
Gmail API
Flexible RESTful access to Gmail
Business
Flexible, RESTful access to the user's Gmail inbox for email management and automation.
Freelancer
Hire freelancers to get work done
Business
Connect with freelancers worldwide and manage projects, payments, and communications through API.
Domainsdb.info
Registered domain names search
Business
Search and access information about registered domain names from a comprehensive database.
CompanyEnrich
B2B company data enrichment API
Business
API for B2B company data enrichment, domain enrichment, and website enrichment services.
Clearbit Logo
Company logos for embedding in projects
Business
Search for company logos and embed them in your projects with high-quality company branding assets.
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