# B3 Market Data Feed (UMDF)

**Canonical:** https://apis.io/apis/b3-exchange/b3-market-data-feed-umdf/  
**Provider:** B3 (Brasil Bolsa Balcão) — https://apis.io/providers/b3-exchange/  
**Documentation:** https://www.b3.com.br/en_us/market-data-and-indices/data-services/market-data/

B3 Market Data Feed (UMDF) 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. Tagged areas include Real-Time, Market Data, Order Book, and Multicast. The published artifact set on APIs.io includes API documentation.

B3's real-time market data distribution over the Unified Market Data Feed (UMDF) - event-based bid, ask, trade, and statistics data in L1 (top of book) or L2 (full book) depth, real-time or 15-minute delayed, delivered as FIX/FAST and lower-latency Binary SBE multicast streams to authorized distributors and direct connections under commercial contract. Not an HTTP API.

## Machine-readable artifacts (2)

- **Documentation** — https://www.b3.com.br/en_us/market-data-and-indices/data-services/market-data/
- **Documentation** — https://www.b3.com.br/data/files/A4/11/B5/27/B1C6C6106B9896C6DC0D8AA8/UMDF_MarketDataSpecification_v2.1.7.pdf

## 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/)
- [B3 ISIN API](https://apis.io/apis/b3-exchange/b3-isin-api/)
- [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 UP2DATA](https://apis.io/apis/b3-exchange/b3-up2data/)

## Tags

Real-Time, Market Data, Order Book, Multicast

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