Free Business APIs

44 free public Business APIs for developers. 42 support HTTPS, 13 allow CORS from the browser and 13 need no API key.

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Showing 44 of 44 APIs

Apache Superset

API to manage your BI dashboards and data sources on Superset

apiKeyHTTPSCORS

Charity Search

Non-profit charity data

apiKeyNo HTTPSCORS ?

Clearbit Logo

Search for company logos and embed them in your projects

apiKeyHTTPSCORS ?

Compabase

Polish company data: 3M+ KRS and CEIDG entities with financial statements, people and rankings

apiKeyHTTPSCORS ?

Crustdata

People and company data covering profiles, headcount, funding and contacts

apiKeyHTTPSCORS ?

Domainsdb.info

Registered Domain Names Search

No authHTTPSNo CORS

EuroValidate

EU VAT (VIES), IBAN and EORI validation with company name & address lookup

apiKeyHTTPSCORS

Freelancer

Hire freelancers to get work done

OAuthHTTPSCORS ?

Funding Signals

Companies that just raised funding, scored as sales leads, from public SEC filings

apiKeyHTTPSNo CORS

GlobalEntity

Official company data from 56 European business registers as normalized JSON

apiKeyHTTPSCORS

Gmail

Flexible, RESTful access to the user's inbox

OAuthHTTPSCORS ?

Google Analytics

Collect, configure and analyze your data to reach the right audience

OAuthHTTPSCORS ?

gstinapi

Verify Indian GST numbers (GSTIN): legal name, status, address and return filing history; free tier

apiKeyHTTPSNo CORS

Instatus

Post to and update maintenance and incidents on your status page through an HTTP REST API

apiKeyHTTPSCORS ?

InvoiceIn

Parse and validate received e-invoices: XRechnung, ZUGFeRD, Peppol, FatturaPA, KSeF

apiKeyHTTPSCORS

Invovate

Generate PDF, JSON & UBL invoices in 11 languages from one JSON POST

apiKeyHTTPSNo CORS

Katalis

UK company checks: payment practices, contracts won, registers, filed accounts, change feed

apiKeyHTTPSNo CORS

KontragentPro

Russian company data from state registers by INN or OGRN: profile, finances, timeline

No authHTTPSCORS

Legal Sandbox Georgia

Find verified legal specialists in Georgia from natural-language queries

No authHTTPSCORS

Mailchimp

Send marketing campaigns and transactional mails

apiKeyHTTPSCORS ?

mailjet

Marketing email can be sent and mail templates made in MJML or HTML can be sent using API

apiKeyHTTPSCORS ?

markerapi

Trademark Search

No authNo HTTPSCORS ?

Meirra

SEO monitoring, email verification, lead generation, and marketing analytics

apiKeyHTTPSCORS

ORB Intelligence

Company lookup

apiKeyHTTPSCORS ?

PeopleSearch

People and company search in plain English, with verified work emails and email verification

apiKeyHTTPSNo CORS

Pick an Agency

Search 47,000+ marketing agencies by service, location and rating

No authHTTPSCORS

RankFabrik Places

Search businesses and points of interest by city, deduplicated with a coverage report

apiKeyHTTPSCORS ?

Redash

Access your queries and dashboards on Redash

apiKeyHTTPSCORS

RegisterWire

Real-time alerts on UK company register changes

apiKeyHTTPSNo CORS

Signaliz

GTM enrichment, lead generation, email verification, and company signals

apiKeyHTTPSCORS ?

Smartsheet

Allows you to programmatically access and Smartsheet data and account information

OAuthHTTPSNo CORS

Square

Easy way to take payments, manage refunds, and help customers checkout online

OAuthHTTPSCORS ?

SwiftKanban

Kanban software, Visualize Work, Increase Organizations Lead Time, Throughput & Productivity

apiKeyHTTPSCORS ?

Tenders in Hungary

Get data for procurements in Hungary in JSON format

No authHTTPSCORS ?

Tenders in Poland

Get data for procurements in Poland in JSON format

No authHTTPSCORS ?

Tenders in Romania

Get data for procurements in Romania in JSON format

No authHTTPSCORS ?

Tenders in Spain

Get data for procurements in Spain in JSON format

No authHTTPSCORS ?

Tenders in Ukraine

Get data for procurements in Ukraine in JSON format

No authHTTPSCORS ?

Tomba email finder

Email Finder for B2B sales and email marketing and email verifier

apiKeyHTTPSCORS

TradeDataHub

U.S. contractor datasets with a free discovery API for coverage, pricing and masked previews

No authHTTPSCORS

Trello

Boards, lists and cards to help you organize and prioritize your projects

OAuthHTTPSCORS ?

UGC VZ

Directory of DACH user-generated-content creators with topics, cities, rates and contact requests

No authHTTPSNo CORS

Verif Entreprise FR

French company checks by SIREN: status, insolvency (BODACC), VAT (VIES); free preview

No authHTTPSCORS

Village

Person and company enrichment plus warm introduction paths through your network

apiKeyHTTPSCORS

Business API FAQ

How many free Business APIs are there?

There are 44 free public Business APIs in the directory. 42 support HTTPS, 13 are confirmed to allow CORS and 13 need no API key.

Which Business APIs work without an API key?

13 Business APIs need no authentication, including Domainsdb.info, KontragentPro, Legal Sandbox Georgia and markerapi. You can call them straight away without signing up.

Which Business APIs can I call from the browser?

APIs with CORS enabled can be called directly from front-end JavaScript. In Business, that includes Apache Superset, EuroValidate, GlobalEntity and InvoiceIn.

Business API FAQ

How many free Business APIs are there?

There are 44 free public Business APIs in the directory. 42 support HTTPS, 13 are confirmed to allow CORS and 13 need no API key.

Which Business APIs work without an API key?

13 Business APIs need no authentication, including Domainsdb.info, KontragentPro, Legal Sandbox Georgia and markerapi. You can call them straight away without signing up.

Which Business APIs can I call from the browser?

APIs with CORS enabled can be called directly from front-end JavaScript. In Business, that includes Apache Superset, EuroValidate, GlobalEntity and InvoiceIn.