# Central Union of Chambers of Greece, contact us: Business verification API

> H υπηρεσία διαθέτει προγραμματιστική διεπαφή (API) για την αναζήτηση επιχειρήσεων στο ΓΕΜΗ με βάση κριτήρια [...]

Central Union of Chambers of Greece's business verification API on its OpenData ΓΕΜΗ plan. It returns 7 of the 11 key fields we check: Registered name, Entity number, Tax ID, Entity type, Status, Formation date, Principal address.
We haven't run Central Union of Chambers of Greece through [our business verification API benchmark](https://datacircle.dev/best-business-verification-api.txt) yet.
Central Union of Chambers of Greece gives this plan's price on request. We rank 793 plans for business verification APIs by price. Half the plans cost $7.895 per 1,000 companies or less.
[EuroValidate's €149 monthly plan](https://datacircle.dev/business-verification-apis/eurovalidate/149-monthly-scale-post-v1-validate/llms.txt) is the cheapest paid plan per 1,000 companies: $0.017. EuroValidate's plan covers companies in 31 countries only.
[Scoris's €19 pack](https://datacircle.dev/business-verification-apis/scoris/19-pack/llms.txt) covers any number of companies in 8 countries only. Scoris's €19 pack costs less up front than EuroValidate's €149 monthly plan.
[GovFiles](https://datacircle.dev/business-verification-apis/govfiles/top-up/llms.txt), [Didit](https://datacircle.dev/business-verification-apis/didit/top-up-from-50/llms.txt) and [CompanyData.com](https://datacircle.dev/business-verification-apis/companydata-com/249-monthly/llms.txt) are the best business verification API providers in the Datacircle benchmark for companies in any country.

- This page: https://datacircle.dev/business-verification-apis/central-union-of-chambers-of-greece/contact-us
- [Business verification API: 11 providers compared](https://datacircle.dev/best-business-verification-api.txt)
- Get it: https://opendata.businessportal.gr/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Request: `GET https://opendata-api.businessportal.gr/api/opendata/v1/companies`
- API key: with the plan, on https://opendata.businessportal.gr/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- Its API docs: https://opendata-api.businessportal.gr/opendata/docs/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing#/Companies/getCompaniesByCriteria
- Sold by: Central Union of Chambers of Greece (https://www.uhc.gr?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing)
- Checked: 2026-11-01

## In the answer

- Completeness: 64%
- Registered name: ✓
- Entity number: ✓
- Tax ID: ✓
- Entity type: ✓
- Status: ✓
- Formation date: ✓
- Principal address: ✓

## Price

- Billing: contact

## Aggregators

- Aggregators: none

## In their words

- Their pitch: H υπηρεσία διαθέτει προγραμματιστική διεπαφή (API) για την αναζήτηση επιχειρήσεων στο ΓΕΜΗ με βάση κριτήρια [...]

## Data

- Countries: Greece
- Keep data: no limit
- Use data: "Η χρήση των API και τα ανοικτά δεδομένα ΓΕΜΗ χορηγούνται με άδεια ODC-BY-1.0 [...] the Licensor grants to You a worldwide, royalty-free, non-exclusive, terminable (but only under Section 9) license to Use the Database for the duration of any applicable copyright and Database Rights. These rights explicitly include commercial use, and do not exclude any field of endeavour. [...] If You Publicly Convey this Database, any Derivative Database, or the Database as part of a Collective Database, then You must: a. Do so only under the terms of this License, b. Include a copy of this License or its Uniform Resource Identifier (URI) with the Database or Derivative Database, including both in the Database or Derivative Database and in any relevant documentation, c. Keep intact any copyright or Database Right notices and notices that refer to this License, and d. If it is not possible to put the required notices in a particular file due to its structure, then You must include the notices in a location (such as a relevant directory) where users would be likely to look for it. [...] if you Publicly Use a Produced Work, You must include a notice associated with the Produced Work reasonably calculated to make any Person that uses, views, accesses, interacts with, or is otherwise exposed to the Produced Work aware that Content was obtained from the Database, Derivative Database, or the Database as part of a Collective Database, and that it is available under this License. [...] You may not sublicense the Database. [...] You may not impose any further restrictions on the exercise of the rights granted or affirmed under this License." The access request and the start of use of the APIs mean the user's full acceptance ("Η αίτηση πρόσβασης και η έναρξη χρήσης των API σημαίνουν την πλήρη αποδοχή του χρήστη").

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: at least one of arGemi, afm, name, legalTypes, gemiOffices, municipalities, prefectures, statuses, isActive or activities. Optional: resultsSortBy, resultsOffset, resultsSize
- Method: GET
- Path: /companies

## About the plan

- Plan: OpenData ΓΕΜΗ
- Who can get it: anyone whose access request KY ΓΕΜΗ accepts

## The 57 fields the plan's answer can hold

total results, results offset, results size, GEMI number, tax number (AFM), name in Greek, names in English, distinctive titles in Greek, distinctive titles in English, municipality ID, municipality, prefecture ID, prefecture, city, street, street number, postal code, PO box, website, email, branch, objective, legal form ID, legal form, GEMI office ID, GEMI office, decision subject ID, decision subject, incorporation date, last status change, status ID, status, self-registration completed, activity codes (KAD), activity descriptions, activity code versions, activity types, activity start dates, activity end dates, persons' names, persons' business names, persons' roles, persons' role start dates, persons' role end dates, persons' sole representation, persons' joint representation, persons' percentages, persons' categories, capital, capital currency, off-balance-sheet capital, guarantee capital, stock type IDs, stock amounts, stock nominal prices, stock types, branch GEMI numbers

## Central Union of Chambers of Greece's plans (1)

- [Central Union of Chambers of Greece, contact us](https://datacircle.dev/business-verification-apis/central-union-of-chambers-of-greece/contact-us/llms.txt): 64% complete

## Central Union of Chambers of Greece's calls for this API (1)

- `GET /companies`: [Central Union of Chambers of Greece, contact us](https://datacircle.dev/business-verification-apis/central-union-of-chambers-of-greece/contact-us/llms.txt)

## Central Union of Chambers of Greece's APIs (2)

- [Central Union of Chambers of Greece: business verification API pricing, 1 plan](https://datacircle.dev/business-verification-apis/central-union-of-chambers-of-greece/contact-us/llms.txt)
- [Central Union of Chambers of Greece: company enrichment API pricing, 1 plan](https://datacircle.dev/company-enrichment-apis/central-union-of-chambers-of-greece/contact-us/llms.txt)

## Central Union of Chambers of Greece: business verification API alternatives

- [NeuralVerge, contact us, Custom, POST /functions/v1/run-co-companies-search](https://datacircle.dev/business-verification-apis/neuralverge/contact-us-custom-post-functions-v1-run-co-companies-search/llms.txt): 64% complete
- [Dato Capital, contact us](https://datacircle.dev/business-verification-apis/dato-capital/contact-us/llms.txt): 64% complete, stored
- [Deepline, contact us, Enterprise, POST /api/v2/integrations/opensosdata_business_lookup/execute](https://datacircle.dev/business-verification-apis/deepline/contact-us-enterprise-post-api-v2-integrations-opensosdata-business-lookup-execute/llms.txt): 64% complete
- [handelsregister.ai, contact us, Enterprise, GET /v1/fetch-organization, fetch-organization](https://datacircle.dev/business-verification-apis/handelsregister-ai/contact-us-enterprise-get-v1-fetch-organization-fetch-organization/llms.txt): 64% complete, 1 month

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-01.

- https://opendata-api.businessportal.gr/api-docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://opendata-api.businessportal.gr/opendata/docs/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://opendata.businessportal.gr/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://opendata.businessportal.gr/license/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://opendata.businessportal.gr/register/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://opendata.businessportal.gr/techdocs/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing
- https://opendatacommons.org/licenses/by/1-0/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=business-verification-api-pricing