# B3 ISIN API

**Canonical:** https://apis.io/apis/b3-exchange/b3-isin-api/  
**Provider:** B3 (Brasil Bolsa Balcão) — https://apis.io/providers/b3-exchange/  
**Base URL:** https://developers.b3.com.br:8065  
**Documentation:** https://developers.b3.com.br/api-details?apiId=78646d15-2690-42df-9822-93e2860fe708&managerId=1&swaggerVersion=2.0&type=rest&usage=api&Itemid=171

B3 ISIN API is one of 10 APIs that [B3 (Brasil Bolsa Balcão)](https://apis.io/providers/b3-exchange/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include ISIN, Reference Data, and Identifiers. The published artifact set on APIs.io includes API documentation and an OpenAPI specification.

ISIN issuance and management for financial instruments - B3 is the Brazilian numbering agency - covering ISIN requests, updates, and consultation of instrument identifier records.

## Machine-readable artifacts (3)

- **Documentation** — https://developers.b3.com.br/api-details?apiId=78646d15-2690-42df-9822-93e2860fe708&managerId=1&swaggerVersion=2.0&type=rest&usage=api&Itemid=171
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/b3-exchange/refs/heads/main/openapi/b3-exchange-isin-openapi.json
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/b3-exchange/refs/heads/main/overlays/b3-exchange-isin-overlay.yaml

## Other B3 (Brasil Bolsa Balcão) APIs (9)

- [B3 Investor Area (Área do Investidor) APIs](https://apis.io/apis/b3-exchange/b3-investor-area-apis/)
- [B3 Tesouro Direto APIs](https://apis.io/apis/b3-exchange/b3-tesouro-direto-apis/)
- [B3 OTC (Balcão) APIs](https://apis.io/apis/b3-exchange/b3-otc-balcao-apis/)
- [B3 Listed Markets (Listados) APIs](https://apis.io/apis/b3-exchange/b3-listed-markets-apis/)
- [Banco B3 APIs](https://apis.io/apis/b3-exchange/b3-banco-b3-apis/)
- [B3 Insurance (Seguros) APIs](https://apis.io/apis/b3-exchange/b3-insurance-apis/)
- [B3 Authentication APIs](https://apis.io/apis/b3-exchange/b3-authentication-apis/)
- [B3 Market Data Feed (UMDF)](https://apis.io/apis/b3-exchange/b3-market-data-feed-umdf/)
- [B3 UP2DATA](https://apis.io/apis/b3-exchange/b3-up2data/)

## Tags

ISIN, Reference Data, Identifiers

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/b3-exchange/b3-isin-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/b3-exchange/.