Supported API Methods
REST
REST API’s are available for our OSL Exchange users and OSL Brokerage users. Both APIs are expressive and offer a variety of functionality in line with the latest crypto industry standards.
All external API connections, including both REST and FIX sessions, are enforced via HTTPS using encrypted using Transport Layer Security (TLS v1.3) to ensure the confidentiality and integrity of data transmitted between clients and OSL systems.
- Sandbox REST Endpoint: https://trade-hk.oslsandbox.com
- Production REST Endpoint: https://trade-hk.osl.com
WebSocket
WebSocket API offers a public market data streams in industry-standard JSON format for both our OSL Exchange users and our OSL Brokerage users.
FIX
OSL supports order entry, market data and drop copy using the FIX 4.4 protocol for OSL Exchange users. Connectivity options to our FIX gateway is described in more detail in the FIX section of this library.
Overview of API Availability
| Function | Available Site | REST V3 | REST V4 | WebSocket (MarketData) | FIX |
|---|---|---|---|---|---|
| Brokerage (RFQ) | HK | ✅ | |||
| Exchange | HK | ✅ | ✅ | ✅ | ✅ |
| General | HK | ✅ |