# NBB CBSO, free, Authentic Data Query, GET /deposit/{referenceNumber}/reference: Company enrichment API

> With the NBB’s web services, professional users can access data from filed annual accounts.

NBB CBSO's Authentic Data Query plan for the company enrichment API costs $0.00 per 1,000 companies. We check each provider's docs for 13 fields. NBB CBSO's docs list 4: Type and status, Headquarters, Locations, Revenue and budgets.
NBB CBSO limits how many calls you get but gives no number.
We haven't run NBB CBSO through [our company enrichment API benchmark](https://datacircle.dev/best-company-enrichment-api.txt) yet.
We rank 3,016 plans for company enrichment APIs by price. Half the plans cost $8.977 or less per 1,000 companies. This plan and 213 others tie for the lowest price per 1,000 companies of the 3,016 plans. [See the best free company enrichment API plan.](https://datacircle.dev/best-company-enrichment-api.txt)
[APIs Peru's PEN 30 (about $9) monthly plan](https://datacircle.dev/company-enrichment-apis/apis-peru/pen-30-monthly/llms.txt) covers any number of companies in Peru only. APIs Peru's PEN 30 (about $9) monthly plan costs less up front than Coldlytics's $49 monthly plan.
[GLEIF](https://datacircle.dev/company-enrichment-apis/gleif/free/llms.txt), [TrustMRR](https://datacircle.dev/company-enrichment-apis/trustmrr/free/llms.txt) and [GetProspect](https://datacircle.dev/company-enrichment-apis/getprospect/49-monthly-starter-post-v2-companies-enrich/llms.txt) are the best company enrichment API providers in the Datacircle benchmark for companies in any country.

- This page: https://datacircle.dev/company-enrichment-apis/nbb-cbso/free-authentic-data-query-get-deposit-referencenumber-reference
- [Company enrichment API in 2026: the best of 260+ compared](https://datacircle.dev/best-company-enrichment-api.txt)
- Get it: https://www.nbb.be/en/central-balance-sheet-office/consultation/web-services/authentic-data-query?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Request: `GET https://ws.cbso.nbb.be/authentic/deposit/{referenceNumber}/reference`
- API key: with the plan, on https://www.nbb.be/en/central-balance-sheet-office/consultation/web-services/authentic-data-query?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Its API docs: https://developer.cbso.nbb.be/api-details?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing#api=nbb-cbso-consultation-service-prod-authentic&operation=get-deposit-referencenumber-reference
- Sold by: NBB CBSO (https://www.nbb.be/en/central-balance-sheet-office?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 31%
- Type and status: ✓
- Headquarters: ✓
- Locations: ✓
- Revenue and budgets: ✓

## Price

- $ per 1,000 companies: $0.00
- Per: call
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: /legalEntity/{legalEntityId}/references - GET · /deposit/{referenceNumber}/accountingData - GET

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: With the NBB’s web services, professional users can access data from filed annual accounts.

## Data

- Freshness: live
- Countries: Belgium
- Keep data: no limit
- Use data: Customers may not transfer their access rights to the National Bank’s server to a third party, whether in return for payment or free of charge, on a temporary or permanent basis. Customers may use annual accounts data downloaded from the National Bank’s server free of charge and without limitation, unless provided otherwise by law.

## Plan

- Pay: $0

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: referenceNumber, X-Request-Id header
- Method: GET
- Path: /deposit/{referenceNumber}/reference

## About the plan

- Plan: Authentic Data Query
- Who can get it: professional users who sign the subscription form and are approved by the National Bank

## The 24 fields the plan's answer can hold

reference number, deposit date, fiscal year start date, fiscal year end date, model type, deposit type, language, currency, enterprise number, enterprise name, street, street number, box, postal code, city, country code, legal form, legal situation, legal validation fulfilled, general assembly date, accounting data URL, data version, improvement date, corrected sections

## NBB CBSO's plans (3)

- [NBB CBSO, free, Authentic Data Query, GET /deposit/{referenceNumber}/reference](https://datacircle.dev/company-enrichment-apis/nbb-cbso/free-authentic-data-query-get-deposit-referencenumber-reference/llms.txt): $0.00 per 1,000, 31% complete, live
- [NBB CBSO, free, Improved Data (public authorities and institutions), GET /deposit/{referenceNumber}/accountingData/improved/corrected](https://datacircle.dev/company-enrichment-apis/nbb-cbso/free-improved-data-public-authorities-and-institutions-get-deposit-referencenumber-accountingdata-improved-corrected/llms.txt): $0.00 per 1,000, 0% complete, live
- [NBB CBSO, €3,300 yearly, Improved Data, GET /deposit/{referenceNumber}/accountingData/improved/corrected](https://datacircle.dev/company-enrichment-apis/nbb-cbso/3300-yearly-improved-data-get-deposit-referencenumber-accountingdata-improved-corrected/llms.txt): 0% complete, live

## NBB CBSO's calls (8)

- `GET /deposit/{referenceNumber}/accountingData`: [NBB CBSO, free, Authentic Data Query, GET /deposit/{referenceNumber}/accountingData](https://datacircle.dev/company-enrichment-apis/nbb-cbso/free-authentic-data-query-get-deposit-referencenumber-accountingdata/llms.txt)
- `GET /deposit/{referenceNumber}/accountingData/improved/corrected`: [NBB CBSO, free, Improved Data (public authorities and institutions), GET /deposit/{referenceNumber}/accountingData/improved/corrected](https://datacircle.dev/company-enrichment-apis/nbb-cbso/free-improved-data-public-authorities-and-institutions-get-deposit-referencenumber-accountingdata-improved-corrected/llms.txt)
- `GET /deposit/{referenceNumber}/accountingData/improved/euro_converted`: [NBB CBSO, free, Improved Data (public authorities and institutions), GET /deposit/{referenceNumber}/accountingData/improved/euro_converted](https://datacircle.dev/company-enrichment-apis/nbb-cbso/free-improved-data-public-authorities-and-institutions-get-deposit-referencenumber-accountingdata-improved-euro-converted/llms.txt)
- `GET /deposit/{referenceNumber}/accountingData/improved/pdf_extracted`: [NBB CBSO, free, Improved Data (public authorities and institutions), GET /deposit/{referenceNumber}/accountingData/improved/pdf_extracted](https://datacircle.dev/company-enrichment-apis/nbb-cbso/free-improved-data-public-authorities-and-institutions-get-deposit-referencenumber-accountingdata-improved-pdf-extracted/llms.txt)
- `GET /deposit/{referenceNumber}/reference`: [NBB CBSO, free, Authentic Data Query, GET /deposit/{referenceNumber}/reference](https://datacircle.dev/company-enrichment-apis/nbb-cbso/free-authentic-data-query-get-deposit-referencenumber-reference/llms.txt)
- `GET /deposit/{referenceNumber}/references/improved`: [NBB CBSO, free, Improved Data (public authorities and institutions), GET /deposit/{referenceNumber}/references/improved](https://datacircle.dev/company-enrichment-apis/nbb-cbso/free-improved-data-public-authorities-and-institutions-get-deposit-referencenumber-references-improved/llms.txt)
- `GET /legalEntity/{legalEntityId}/references`: [NBB CBSO, free, Authentic Data Query, GET /legalEntity/{legalEntityId}/references](https://datacircle.dev/company-enrichment-apis/nbb-cbso/free-authentic-data-query-get-legalentity-legalentityid-references/llms.txt)
- `GET /legalEntity/{legalEntityId}/references/improved`: [NBB CBSO, free, Improved Data (public authorities and institutions), GET /legalEntity/{legalEntityId}/references/improved](https://datacircle.dev/company-enrichment-apis/nbb-cbso/free-improved-data-public-authorities-and-institutions-get-legalentity-legalentityid-references-improved/llms.txt)

## NBB CBSO's APIs (1)

- [NBB CBSO: company enrichment API pricing, 3 plans, GET /deposit/{referenceNumber}/reference](https://datacircle.dev/company-enrichment-apis/nbb-cbso/free-authentic-data-query-get-deposit-referencenumber-reference/llms.txt)

## NBB CBSO: company enrichment API alternatives

- [Brreg, free](https://datacircle.dev/company-enrichment-apis/brreg/free/llms.txt): $0.00 per 1,000, 38% complete, live
- [Corporations Canada, free](https://datacircle.dev/company-enrichment-apis/corporations-canada/free/llms.txt): $0.00 per 1,000, 23% complete, live
- [RegisterUZ, free](https://datacircle.dev/company-enrichment-apis/registeruz/free/llms.txt): $0.00 per 1,000, 23% complete, live
- [Charity Commission, free, Register of Charities, GET /allcharitydetails/{RegisteredNumber}/{suffix}](https://datacircle.dev/company-enrichment-apis/charity-commission/free-register-of-charities-get-allcharitydetails-registerednumber-suffix/llms.txt): $0.00 per 1,000, 23% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-09.

- https://developer.cbso.nbb.be/developer/apis/nbb-cbso-consultation-service-prod-authentic/operations/get-deposit-referencenumber-reference?api-version=2022-04-01-preview&utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.nbb.be/doc/ba/cbso2022/cbso_webservices_technical%20guide_0.94.pdf?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.nbb.be/doc/ba/cbso2022/cnd_n_abin_webservices_v2022_en_v7.pdf?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.nbb.be/en/central-balance-sheet-office/consultation/web-services?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.nbb.be/en/central-balance-sheet-office/consultation/web-services/authentic-data-query?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.nbb.be/en/central-balance-sheet-office/consultation/web-services/improved-data?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.nbb.be/en/central-balance-sheet-office/consultation/web-services/test-environment-developer-portal-and-operations?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing