Sales region

Central & Eastern Europe

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

72 providers 446 APIs

Central & Eastern Europe on the APIs.io network surfaces 72 providers mapped to this sales region — together publishing 446 indexed APIs.

Notable providers include Infobip, ZnanyLekarz, Braiins, Avito, Kontomatik, Oxylabs, and 66 more — each profile links out to that provider’s APIs, schemas, and governance artifacts.

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

Region mapping is derived from three explicit signals: a provider tag, a provider-name pattern, or a stated headquarters in the provider’s own description. It surfaces what is signalled and intentionally infers no further — a provider that says nothing about where it is appears in no region at all. This is a map of stated headquarters, not of markets served. A London company selling across Europe is listed under United Kingdom & Ireland only, and several of the largest API providers carry no geographic statement of any kind, so they appear here nowhere.

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 (72)

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...	47	exemplar
ZnanyLekarz	ZnanyLekarz is the Polish healthcare marketplace and practice-management platform operated by Docplanner Group, connecting patients with over 146,000 listed doctors and equippin...	2	exemplar
Braiins	Braiins is a Prague-based Bitcoin mining technology company that operates the world's longest-running Bitcoin mining pool (Slush Pool, now Braiins Pool, mining since 2010), buil...	2	strong
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...	25	developing
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...	4	developing
Oxylabs	Oxylabs is a Lithuanian (Vilnius-based) web intelligence platform providing premium proxy networks (Residential, Datacenter, Mobile, ISP, Dedicated), web data acquisition APIs (...	1	developing
University of Warsaw	The University of Warsaw (Uniwersytet Warszawski) is Poland's largest and highest-ranked university and a member of the 4EU+ European University Alliance. Unusually for this coh...	3	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
SEON	SEON is a Budapest-headquartered fraud prevention, AML compliance, and digital footprint analysis platform that exposes a modular REST API for fraud scoring, identity verificati...	11	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...	4	developing
RS Performance	RS Performance Sp. z o.o. is a single-location automotive diagnostics and repair workshop at Al. Grunwaldzka 303B in Gdańsk, Poland (the Premio Ring site, rebranded 2021-09-14),...	2	developing
Comunicate.top API	Romanian press-release and advertorial distribution platform exposing a REST API (with free keyless public read routes and authenticated partner routes), an OpenAPI 3.1 contract...	1	developing
MODIVO	MODIVO is a Polish multibrand fashion and lifestyle retailer that operates one of the largest fashion e-commerce platforms in Central and Eastern Europe, selling clothing, footw...	4	developing
Charles University	Charles University (Univerzita Karlova), founded in 1348 in Prague, is the largest and oldest university in Czechia. Unusually for a university, a substantial part of its progra...	5	thin
Felhő — Magyar üzleti infrastruktúra	Hungarian business-infrastructure platform offering company information (registry data, financials, officers/owners, TEÁOR'25 activity codes), business verification and risk sco...	1	thin
Invendor	Invendor is a smart industrial vending and vendor-managed inventory (VMI) platform for industrial distributors and manufacturers, combining weight-sensing (Gravity) and scan-bas...	2	thin
Edelweiss Hotel Polyana API	Public open REST API and structured data feeds for Edelweiss Hotel Polyana, a 3-star boutique eco-hotel in Polyana, Zakarpattia, Ukraine. Provides real-time room tariffs, hotel ...	1	thin
CodeNOW	CodeNOW is a Prague-based governance and execution platform for AI-scale software delivery — a control plane that determines how software moves through the SDLC regardless of wh...	1	thin
Infogram	Infogram is a data visualization platform (based in Riga, Latvia, part of the Prezi family) that lets writers, marketers, journalists, researchers, and analysts turn raw data in...	1	thin
Serbia Company Data	A single-purpose, pay-per-call REST API serving normalized Serbian company registry data and latest financial-statement summaries from official APR high-value open data. Access ...	1	thin
Rohlik	Rohlik (Rohlik Group) is a European online grocery service founded in 2014 by Tomáš Čupr and headquartered in Prague, Czechia. It operates fast, same-day and sub-hour grocery de...	1	thin
Better	Better (formerly Marand, Ljubljana, Slovenia) is a digital-health vendor whose products are built on openEHR, the open standard for vendor-neutral, computable clinical data. Bet...	1	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
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
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
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
Adscanner	AdScanner — now trading as all eyes on screens (AEOS), the legal entity all eyes on screens d.o.o. of Zagreb, Croatia, formerly Adscanner d.o.o. — is a European TV and video adv...	0	emerging
Talk-A-Bot	Talk-A-Bot is a Budapest-based, Techstars-backed enterprise chatbot company building compliance-first conversational AI for regulated industries including banking, healthcare, g...	0	emerging
Rimac Automobili	Rimac Automobili d.o.o. is a Croatian electric hypercar manufacturer and automotive technology company founded by Mate Rimac in 2009 and headquartered at the Rimac Campus in Ker...	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
Marand	Marand Software (Marand d.o.o., Ljubljana, Slovenia) builds cloud-native Business Support System components for communications service providers, positioned as a vendor of TM Fo...	0	emerging
NNG	NNG (NNG Software Developing and Commercial LLC), formerly Nav N Go, is a Budapest-based automotive navigation and location-based software company founded in 2004. Its flagship ...	0	minimal
Opolskie Open Data	Opolskie Open Data is a regional government open-data portal for Poland running DKAN.	1	minimal
SATIM	SATIM provides AI-powered analysis of Synthetic Aperture Radar (SAR) imagery for intelligence, surveillance, and reconnaissance (ISR) operations. Its OREC analytics engine perfo...	0	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
Commsignia	Commsignia is a Budapest-based V2X (Vehicle-to-Everything) technology company building connected vehicle and smart infrastructure solutions for the automotive and transportation...	0	minimal
Turbine	Turbine (Turbine Ltd) is a Budapest-based AI biotechnology company that virtualizes biological experiments to accelerate and de-risk drug discovery. Its Simulated Cell platform ...	0	minimal
Czech Television	TV programme of Czech TV	1	minimal
Transport for Czech Republic	Czech transport API	1	minimal
Open Government, Czech Republic	Czech Republic Government Open Data	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
Czech National Bank	A collection of exchange rates	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
Buildcon	Buildcon is a Belgrade-based construction and logistics digitalisation company that builds Buildx, a proprietary construction project management platform covering project schedu...	0	minimal
Czech Namedays Calendar	Lookup for a name and returns nameday date	1	minimal
DappRadar	DappRadar is a blockchain application discovery and analytics platform, widely described as "the world's dapp store." It tracks decentralized applications (dapps), NFT collectio...	0	minimal
Estateguru	Estateguru is a pan-European property-backed crowdfunding and P2P lending platform headquartered in Tallinn, Estonia. Founded in 2013, it connects retail and institutional inves...	0	minimal
Transport for Budapest, Hungary	Budapest public transport API	1	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
APP Group Ness Czechia	APP Group (renamed Ness Czechia after its acquisition by Ness Digital Engineering) is an enterprise IT services and systems-integration company headquartered in Prague, Czech Re...	0	minimal
Open Government, Poland	Poland Government Open Data	1	minimal
Open Government, Romania	Romania Government Open Data	1	minimal
refresh	Refresh (refresh.si) is a Slovenian digital marketing agency focused on building and growing digital brands. It was surfaced as a portfolio company of Slow Ventures and added to...	0	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
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
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
EquiLibre	EquiLibre Technologies is a Prague-based frontier AI trading research lab building self-learning reinforcement-learning agents that trade equities autonomously across the S&P 50...	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
Funderful	Funderful was an alumni fundraising software platform for universities and higher-education advancement teams, founded in 2013 by Raimonds Kulbergs and headquartered in Riga, La...	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
Minit	Minit was a process-mining software company founded in 2015 and headquartered in Bratislava, Slovakia. Its platform ingested event-log data from systems of record (ERP, CRM, ser...	0
Sessions	Sessions (Session Technologies, formerly Flow OS) was a Bucharest-based unified communication and collaboration platform founded in 2021 by Radu Negulescu and Radu Tintescu, bac...	0	minimal

APIs in this region (446)

Showing 200 of 446 — search the full set on apis.io.

By industry (51)

Every vertical with at least one provider here. Each is a page of its own — greyed pills are below the 5-provider floor, published as a roster without generated statistics.

Industries with no coverage here (31)

These verticals hold providers elsewhere in the catalog and none here. That is a statement about what has been profiled, not about the market — this list is a research queue, ordered by how large the vertical is overall. Know a company that belongs in one of them? Add it.

Climate & Sustainability 1128 Gaming & Interactive 719 Pharmaceutical 684 Entertainment 410 Consumer Goods 392 Agriculture 288 Fitness & Wellness 278 Food Service 275 Technology 220 Utilities 212 Nutrition 206 Content Management & Digital Experience 197 Sports 193 Home & Field Services 181 Beauty & Personal Care 154 Event Management Software 122 Food Delivery 104 Chemicals 103 Mining 88 HVAC & Building Automation 72 Maritime 67 Travel Technology 53 Pet Care 35 Video Streaming 34 Air Traffic & Airspace 32 Waste Management 31 Rail 29 Cannabis 28 Environmental Services 15 Cloud Data Platform 10 Cruise Lines 3

Related regions

Mapped via tag aliases (Central Europe, Eastern Europe, CEE, Poland, Czechia, Hungary, Hungarian, Romania …) and provider-name patterns (Poland, Polish, Czech, Hungary, Hungarian, Romania, Romanian, Ukraine …).

Cohort brief

Auto-generated

The 61 providers in the APIs.io catalog based in Central & Eastern Europe, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers

all scored

Mean Kin Score

20.8

-2.2 vs catalog 23

Mean Agent Readiness

11.4

-0.8 vs catalog 12.2

Spread

2.5–76.1

median 13.4 · σ 19.1

How the 61 split by band

Exemplar 2Strong 1Developing 10Thin 8Emerging 13Minimal 27

Facet averages, against the whole catalog

Facet	This cohort	Catalog	Difference	Scored
Discoverability	59.3	58	+1.3	61
Operational Transparency	13	13.8	-0.8	61
Contract Governance	4.8	6.3	-1.5	61
Developer Ergonomics	21.5	23.3	-1.8	61
Contract Quality	14.4	17.8	-3.4	61
Access Clarity	22.4	26.5	-4.1	61

A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.

What this cohort publishes

Artifact	This cohort	Catalog	Difference
MCP server (any)	15%	15%	0
MCP server (first-party)	15%	13%	+2
Agent Skills	0%	0%	0
OAuth scopes	10%	12%	-2
Security	98%	98%	0
Arazzo workflows	2%	2%	0
Governance rules	6%	13%	-7

mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.

Top by Kin Score

1 Infobip 76.1
2 ZnanyLekarz 68.1
3 Braiins 63.1
4 Avito 53
5 Kontomatik 52.3
6 Oxylabs 52.1
7 University of Warsaw 48.6
8 inFakt 48.1
9 SEON 45.4
10 Przelewy24 42

Work with this as data

Every region here is available over the APIs.io API and to AI agents over MCP.

MCP server

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Tools for regions

6 MCP tools reach this

find_regionsBrowse and filter every region in the catalog.
get_region_leadersPRO — top-rated providers in this region.
cohort_statsPRO — the distribution across the region.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

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Regulations that reach this region

The regimes a provider here operates under. A sectoral regime binds this cohort specifically and usually names an interface; a horizontal one binds by activity and almost never does. Profiles at API Evangelist.

Carbon Border Adjustment Mechanism sectoral European Union
DORA sectoral European Union
Digital Markets Act sectoral European Union
EASA U-space sectoral European Union
EU Deforestation Regulation sectoral European Union
EU IVDR sectoral European Union
EU Machinery Regulation sectoral European Union
EU Medical Device Regulation sectoral European Union
EU Taxonomy Regulation sectoral European Union
European Chips Act sectoral European Union
MiCA sectoral European Union
MiFID II sectoral European Union
PSD2 sectoral European Union / United Kingdom
PSD3 & PSR sectoral European Union
RoHS sectoral European Union
Strong Customer Authentication sectoral European Union / United Kingdom
Sustainable Finance Disclosure Regulation sectoral European Union
UNECE WP.29 sectoral United Nations / EU / adopting states
Corporate Sustainability Due Diligence Directive horizontal European Union
Corporate Sustainability Reporting Directive horizontal European Union
Digital Services Act horizontal European Union
EU AI Act horizontal European Union
EU Cyber Resilience Act horizontal European Union
EU Data Act horizontal European Union
EU Digital Omnibus horizontal European Union
European Accessibility Act horizontal European Union
GDPR horizontal European Union / United Kingdom
NIS2 horizontal European Union
eIDAS horizontal European Union
eIDAS 2 / EU Digital Identity Wallet horizontal European Union
ePrivacy Directive horizontal European Union

All regulations →

Central & Eastern Europe

About this region

Providers (72)

APIs in this region (446)

Infobip AI Hub API

Infobip Channels API

Infobip Connectivity API

Infobip Customer Engagement API

Infobip Platform API

Infobip Tools API

ZnanyLekarz Addresses API

ZnanyLekarz API Notification Callbacks API

ZnanyLekarz Bookings API

ZnanyLekarz Calendar Breaks API

ZnanyLekarz Calendars API

ZnanyLekarz Doctors API

ZnanyLekarz Facilities API

ZnanyLekarz Insurances API

ZnanyLekarz Patient Presence API

ZnanyLekarz Services API

ZnanyLekarz Slots API

Braiins Accounts API

Braiins Actions API

Braiins Advanced Settings API

Braiins Authentication API

Braiins Bid orders API

Braiins Configuration API

Braiins Contracts API

Braiins Cooling API

Braiins Documentation API

Braiins License API

Braiins Market configuration API

Braiins Market data API

Braiins Miner API

Braiins Network API

Braiins Performance API

Braiins Pool API

Braiins Pools API

Braiins Upgrade API

Braiins Version API

Avito Access API

Avito Ads API

Avito ApplicationAccess API

Avito Auction API

Avito Authorization API

Avito Autoload API

Avito Autostrategy API

Avito Balance 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 Invite 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 Profile API

Avito Promotion API

Avito Promotion_BBIP API

Avito Ratings API

Avito Realty API

Avito Reference Data API

Avito Report API

Avito RisksAssessment API

Avito Signal API