Sales region

Central & Eastern Europe

Poland, Czech Republic, Hungary, Romania, the Balkans, and the post-Soviet states.

41 providers 173 APIs

Central & Eastern Europe on the APIs.io network surfaces 41 providers mapped to this sales region — together publishing 173 indexed APIs.

Notable providers include Infobip, Kontomatik, inFakt, Avito, Przelewy24, University of Warsaw, and 35 more — each profile links out to that provider’s APIs, schemas, and governance artifacts.

Related regions by shared providers: France & Iberia and United Kingdom & Ireland. Browse every sales region at regions.apis.io.

Region mapping is derived from provider tags and provider-name pattern matching — it surfaces what is explicitly signalled in the structured data and intentionally does not infer further. Many providers operate across multiple regions; cross-listings are expected.

About this region

APIs from Central & Eastern Europe — Poland, Czech Republic, Hungary, Romania, Slovakia, the Balkan states, and the post-Soviet space. Strong developer-services concentration and a meaningful share of the open-source API tooling ecosystem.

Providers (41)

Provider	Description	APIs	Rating
Infobip	Infobip is a global communications platform as a service (CPaaS) provider headquartered in Vodnjan, Croatia, and is Croatia's largest technology company. It sells programmable m...	46	strong
Kontomatik	Kontomatik is a Warsaw- and Vilnius-based PSD2-licensed open banking provider delivering bank data aggregation, KYC, credit scoring, income verification, transaction labeling, a...	16	developing
inFakt	inFakt is a Polish fintech platform that combines invoicing software, online accounting, and dedicated bookkeeper services for sole proprietors (JDG), limited-liability companie...	1	developing
Avito	Avito is Russia's largest online classifieds platform (avito.ru), founded in 2007, where individuals and businesses buy and sell across goods, vehicles, real estate, jobs and se...	51	developing
Przelewy24	Przelewy24 is Poland's leading online payment gateway, providing REST APIs for bank transfer payments, card processing, BLIK mobile payments, and multi-currency payment processi...	13	developing
University of Warsaw	The University of Warsaw (Uniwersytet Warszawski) is Poland's largest and highest-ranked university, placed #258 in the QS World University Rankings 2025. Its public developer f...	7	developing
Charles University	Charles University (Univerzita Karlova), founded in 1348 in Prague, is the largest and oldest university in Czechia and is ranked #246 in the QS World University Rankings 2025. ...	6	thin
LiqPay	LiqPay is a Ukrainian payment platform operated by PrivatBank that provides REST APIs for accepting card payments, creating hosted payment pages, processing subscriptions, manag...	9	emerging
Symmetrical	Symmetrical.ai is a Polish-British HR and payroll fintech, founded in 2019 in Warsaw with offices in London and Barcelona and backed by Partech. It provides payroll and HR burea...	0	emerging
OPSI Slovenia	OPSI Slovenia is a national government open-data portal for Slovenia running CKAN. It exposes the CKAN catalog API, a standardized machine-readable interface over approximately ...	1	emerging
Official Ukrainian Government Portal	Official Ukrainian Government Portal is a open data portal open-data portal for Ukraine running CKAN. It exposes the CKAN catalog API, a standardized machine-readable interface ...	1	emerging
data.zagreb.hr Official Open Data Portal	data.zagreb.hr Official Open Data Portal is a open data portal open-data portal for Croatia running CKAN. It exposes the CKAN catalog API, a standardized machine-readable interf...	1	emerging
Oferteo	Oferteo (oferteo.pl) is a Polish online services marketplace that connects people and businesses seeking services (Zlecający) with local contractors and service providers (Wykon...	0	emerging
KupiVIP	KupiVIP (kupivip.ru) is a Russian online outlet retailer for luxury and premium fashion, selling women's and men's apparel, footwear, bags, accessories and home goods from more ...	0	emerging
OZON.ru	OZON is one of Russia's largest e-commerce marketplaces, offering retail across electronics, apparel, groceries, and more, plus its own logistics and fulfillment network (FBO/FB...	1	emerging
Opolskie Open Data	Opolskie Open Data is a regional government open-data portal for Poland running DKAN.	1	minimal
Kozadat Hungary Open Data	Kozadat Hungary Open Data is a national government open-data portal for Hungary running CKAN. It exposes the CKAN catalog API over approximately 2,283 datasets.	1	minimal
data.egov.bg (Open Data Portal of Bulgaria)	data.egov.bg is the national government open-data portal for Bulgaria, operated by the Ministry of e-Government (Министерство на електронното управление). It is a custom Laravel...	1	minimal
data.gov.hr	data.gov.hr (Portal otvorenih podataka) is the national government open-data portal for Croatia, operated by the Ministry of Justice and Public Administration. It runs CKAN 2.9....	1	minimal
data.gov.rs	data.gov.rs is the national government open-data portal for the Republic of Serbia, operated by the Office for IT and eGovernment. It runs the uData platform and exposes the uDa...	2	minimal
Open Government, Czech Republic	Czech Republic Government Open Data	1	minimal
Open Government, Poland	Poland Government Open Data	1	minimal
Czech Namedays Calendar	Lookup for a name and returns nameday date	1	minimal
Czech National Bank	A collection of exchange rates	1	minimal
Czech Television	TV programme of Czech TV	1	minimal
National Bank of Poland	A collection of currency exchange rates (data in XML and JSON)	1	minimal
OLX Poland	Integrate with local sites by posting, managing adverts and communicating with OLX users	1	minimal
Tenders in Hungary	Get data for procurements in Hungary in JSON format	1	minimal
Tenders in Poland	Get data for procurements in Poland in JSON format	1	minimal
Tenders in Romania	Get data for procurements in Romania in JSON format	1	minimal
Tenders in Ukraine	Get data for procurements in Ukraine in JSON format	1	minimal
Transport for Budapest, Hungary	Budapest public transport API	1	minimal
Transport for Czech Republic	Czech transport API	1	minimal
Webfinanceholding	Web Finance Holding AD is a Bulgarian financial-services holding company established in 2002 (formerly Finance Consulting AD). It specializes in the consultation and management ...	0	minimal
GTS Central Europe	GTS Central Europe, operating in Romania as GTS Telecom (a member of Deutsche Telekom AG since 1993), is an IT&C service provider delivering cloud solutions (virtual hosting, pr...	0	minimal
Quantum Systems	Quantum-Systems GmbH is a Gilching/Munich, Germany-based dual-use drone manufacturer founded in 2015 by former Bundeswehr helicopter pilot Florian Seibel. The company designs, b...	0	minimal
Tekever	Tekever is a multinational defence technology company headquartered in Lisbon, Portugal, with operations in the United Kingdom (Bath and a planned large-scale drone production f...	0	minimal
B2B-Center	B2B-Center is one of Russia's largest electronic trading platforms (ETP) for business-to-business procurement, operating at b2b-center.ru. The platform hosts electronic tenders,...	0	minimal
Goodlegal	Goodlegal was a Bucharest-based legal-tech startup founded in 2021 by Vasile Tiple (former UiPath Head of Legal Automation) building a legal infrastructure platform and "one-sto...	0	minimal
refresh	Refresh (refresh.si) is a digital marketing agency focused on building and growing digital brands. It was surfaced as a portfolio company of Slow Ventures and added to the API E...	0	minimal
Open Government, Romania	Romania Government Open Data	1	minimal

APIs in this region (173)

All 173 APIs.

Central & Eastern Europe

About this region

Providers (41)

APIs in this region (173)

Avito Access API

Avito Ads API

Avito ApplicationAccess API

Avito Auction API

Avito Authorization API

Avito Autoload API

Avito Autostrategy API

Avito Call API

Avito Calltracking API

Avito Chat API

Avito CheckAhUserV1 API

Avito CheckAhUserV2 API

Avito Core API

Avito Cpa API

Avito Cpxpromo API

Avito DeliverySandbox API

Avito DeliveryTariffication API

Avito Evaluation API

Avito GetAhInfoV1 API

Avito GetEmployeesV1 API

Avito Item API

Avito Job API

Avito LinkItemsV1 API

Avito ListCompanyPhonesV1 API

Avito ListItemsByEmployeeIdV1 API

Avito Messenger API

Avito OfflineMonitoring API

Avito Order Management API

Avito ParcelProcessing API

Avito Promotion API

Avito Promotion_BBIP API

Avito Ratings API

Avito Realty API

Avito ReferenceData API

Avito Report API

Avito RisksAssessment API

Avito Signal API

Avito SpecialOffers API

Avito Stock Management API

Avito Tariff API

Avito Teaser API

Avito TerminalManagement API

Avito Trx Promo API

Avito User API

Avito XDelivery API

Avito balance API

Avito invite API

Avito profile API

Avito statistics API

Avito targeting API

Avito transactions API

CU Digital Repository OAI-PMH

CU Research Publications Repository OAI-PMH

Charles University languages API

Charles University models API

Charles University root API

LINDAT NameTag API

Czech Namedays Calendar

Czech National Bank

Czech Television

Infobip 2FA API

Infobip AI Assistants API

Infobip Account management API

Infobip Answers API

Infobip Apple Messages for Business API

Infobip Application and Entity Management API

Infobip Billing Usage API

Infobip Biometrics API

Infobip Blocklist API

Infobip CAMARA API

Infobip Catalogs API

Infobip Common Assets API

Infobip Conversations API

Infobip Email API

Infobip Instagram Direct Messages API

Infobip Kakao Talk API