Business¶

35 free Business APIs — auth type, HTTPS and CORS support for each, so you can pick the right one without opening every docs page.

API	Description	Auth	HTTPS	CORS
Apache Superset	API to manage your BI dashboards and data sources on Superset	`apiKey`	Yes	Yes
Charity Search	Non-profit charity data	`apiKey`	No	Unknown
Clearbit Logo	Search for company logos and embed them in your projects	`apiKey`	Yes	Unknown
Domainsdb.info	Registered Domain Names Search	No	Yes	No
Freelancer	Hire freelancers to get work done	`OAuth`	Yes	Unknown
Funding Signals	Companies that just raised funding, scored as sales leads, from public SEC filings	`apiKey`	Yes	No
GlobalEntity	Official company data from 56 European business registers as normalized JSON	`apiKey`	Yes	Yes
Gmail	Flexible, RESTful access to the user's inbox	`OAuth`	Yes	Unknown
Google Analytics	Collect, configure and analyze your data to reach the right audience	`OAuth`	Yes	Unknown
Instatus	Post to and update maintenance and incidents on your status page through an HTTP REST API	`apiKey`	Yes	Unknown
InvoiceIn	Parse and validate received e-invoices: XRechnung, ZUGFeRD, Peppol, FatturaPA, KSeF	`apiKey`	Yes	Yes
Invovate	Generate PDF, JSON & UBL invoices in 11 languages from one JSON POST	`apiKey`	Yes	No
Katalis UK Company Enrichment	Verified UK company profiles with an AI summary and accuracy score, from Companies House data	`apiKey`	Yes	Unknown
KontragentPro	Russian company data from state registers by INN or OGRN: profile, finances, timeline	No	Yes	Yes
Legal Sandbox Georgia	Find verified legal specialists in Georgia from natural-language queries	No	Yes	Yes
Mailchimp	Send marketing campaigns and transactional mails	`apiKey`	Yes	Unknown
mailjet	Marketing email can be sent and mail templates made in MJML or HTML can be sent using API	`apiKey`	Yes	Unknown
markerapi	Trademark Search	No	No	Unknown
Meirra	SEO monitoring, email verification, lead generation, and marketing analytics	`apiKey`	Yes	Yes
ORB Intelligence	Company lookup	`apiKey`	Yes	Unknown
Pick an Agency	Search 47,000+ marketing agencies by service, location and rating	No	Yes	Yes
Redash	Access your queries and dashboards on Redash	`apiKey`	Yes	Yes
Signaliz	GTM enrichment, lead generation, email verification, and company signals	`apiKey`	Yes	Unknown
Smartsheet	Allows you to programmatically access and Smartsheet data and account information	`OAuth`	Yes	No
Square	Easy way to take payments, manage refunds, and help customers checkout online	`OAuth`	Yes	Unknown
SwiftKanban	Kanban software, Visualize Work, Increase Organizations Lead Time, Throughput & Productivity	`apiKey`	Yes	Unknown
Tenders in Hungary	Get data for procurements in Hungary in JSON format	No	Yes	Unknown
Tenders in Poland	Get data for procurements in Poland in JSON format	No	Yes	Unknown
Tenders in Romania	Get data for procurements in Romania in JSON format	No	Yes	Unknown
Tenders in Spain	Get data for procurements in Spain in JSON format	No	Yes	Unknown
Tenders in Ukraine	Get data for procurements in Ukraine in JSON format	No	Yes	Unknown
TradeDataHub	U.S. contractor datasets with a free discovery API for coverage, pricing and masked previews	No	Yes	Yes
Tomba email finder	Email Finder for B2B sales and email marketing and email verifier	`apiKey`	Yes	Yes
Trello	Boards, lists and cards to help you organize and prioritize your projects	`OAuth`	Yes	Unknown
Village	Person and company enrichment plus warm introduction paths through your network	`apiKey`	Yes	Yes

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