# Euronext Optiq Market Data Gateway (MDG)

**Canonical:** https://apis.io/apis/euronext/euronext-optiq-market-data-gateway/  
**Provider:** Euronext — https://apis.io/providers/euronext/  
**Documentation:** https://www.euronext.com/en/data/how-access-market-data/euronext-optiq-mdg-cloud

Euronext Optiq Market Data Gateway (MDG) is one of 5 APIs that [Euronext](https://apis.io/providers/euronext/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Streaming, Multicast, SBE, Low Latency, and Order Book. The published artifact set on APIs.io includes API documentation and an API reference.

Low-latency real-time market data feed for Euronext cash and derivatives markets delivered as UDP multicast messages in Simple Binary Encoding (SBE) with LZ4-compressed snapshots, plus an MDG Lite variant and cloud delivery. Not an HTTP API - interface specifications are published as public PDFs on Euronext Connect and access requires a market data agreement and connectivity provisioning.

## Machine-readable artifacts (2)

- **Documentation** — https://www.euronext.com/en/data/how-access-market-data/euronext-optiq-mdg-cloud
- **APIReference** — https://connect.euronext.com/en/it-documentation

## Other Euronext APIs (4)

- [Euronext Web Services Market Data API](https://apis.io/apis/euronext/euronext-web-services-market-data-api/)
- [Euronext Web Services Historical Data API](https://apis.io/apis/euronext/euronext-web-services-historical-data-api/)
- [Euronext Web Services Indices API](https://apis.io/apis/euronext/euronext-web-services-indices-api/)
- [Euronext Saturn Reporting API](https://apis.io/apis/euronext/euronext-saturn-reporting-api/)

## Tags

Streaming, Multicast, SBE, Low Latency, Order Book

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