> /v1/apis/category/business
Free Business APIs[027]
27 free public APIs in the Business category — 7 require no authentication, 25 support HTTPS, 7 have CORS enabled.
Apache Superset
API to manage your BI dashboards and data sources on Superset
ArvanCloud
Enables you to use ArvanCloud services
Charity Search
Non-profit charity data
CompanyEnrich
API for B2B company data enrichment, domain enrichment, and website enrichment
Domainsdb.info
Registered Domain Names Search
Freelancer
Hire freelancers to get work done
Gmail
Flexible, RESTful access to the user's inbox
Google Analytics
Collect, configure and analyze your data to reach the right audience
Instatus
Post to and update maintenance and incidents on your status page through an HTTP REST API
Logo.dev
Automated company logo API that updates daily. Transform any domain or company name into verified logos.
LogoKit
Logo API for brands, stocks, and cryptocurrencies
Mailchimp
Send marketing campaigns and transactional mails
mailjet
Marketing email can be sent and mail templates made in MJML or HTML can be sent using API
markerapi
Trademark Search
NioLeads
LinkedIn Email Finder and Email Verifier
Redash
Access your queries and dashboards on Redash
Smartsheet
Allows you to programmatically access and Smartsheet data and account information
Square
Easy way to take payments, manage refunds, and help customers checkout online
SwiftKanban
Kanban software, Visualize Work, Increase Organizations Lead Time, Throughput & Productivity
Tenders in Hungary
Get data for procurements in Hungary in JSON format
Tenders in Poland
Get data for procurements in Poland in JSON format
Tenders in Romania
Get data for procurements in Romania in JSON format
Tenders in Spain
Get data for procurements in Spain in JSON format
Tenders in Ukraine
Get data for procurements in Ukraine in JSON format
Tomba email finder
Email Finder for B2B sales and email marketing and email verifier
Trello
Boards, lists and cards to help you organize and prioritize your projects
USPTO Trademark
Trademark keyword search, availability, owner, serial search, attorney info, MCP ready
// FREQUENTLY ASKED
What are the best free Business APIs?
The directory tracks 27 free public Business APIs. Top picks include Apache Superset, ArvanCloud, Charity Search, CompanyEnrich, Domainsdb.info — see the full list above, all free to use.
Are there free Business APIs without authentication?
7 of 27 Business APIs require no authentication and can be used immediately without an API key.
Do these APIs support HTTPS?
25 of 27 Business APIs support HTTPS.