# NBB CBSO, free, Authentic Data Query, GET /deposit/{referenceNumber}/accountingData: 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: Description, Industry, Type and status, Images and 9 more. NBB CBSO's docs list none of the 13.
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-accountingdata
- [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}/accountingData`
- 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-accountingdata
- 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: 0%

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: /legalEntity/{legalEntityId}/references - GET · /deposit/{referenceNumber}/reference - 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, Accept header "application/x.jsonxbrl"
- Method: GET
- Path: /deposit/{referenceNumber}/accountingData

## 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 5 fields the plan's answer can hold

legal entity identification details, accounting headings, participations, shareholder structure, mandates

## NBB CBSO's plans (3)

- [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): $0.00 per 1,000, 0% 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}/accountingData](https://datacircle.dev/company-enrichment-apis/nbb-cbso/free-authentic-data-query-get-deposit-referencenumber-accountingdata/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-accountingdata?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