WebSocket API: item request with "Qos"
Hi team,
Is it possible to change the Quality of Service in Item Request message?
We want to control the update rate of prices, for example, receiving the update messages every 2 seconds:
{
"ID": 3,
"Key": {"Name": "HKD=", "Service": "ELEKTRON_DD"},
"Qos": {
"Timeliness": "DelayedUnknown",
"Rate": "TimeConflated",
"RateInfo": 2000,
},
}
But got Status message arguing that "Data":"Suspect","Text":"No servers available that support this QoS."
Does it mean that QoS is not configurable?
Thank you!
Best Answer
-
Thank you for reaching out to us.
Yes, you can specify the required QoS in the request message but the requested service must support that QoS. Otherwise, you will get this error ("No servers available that support this QoS.").
You can use the source directory request message to check the avaialble QoS of the service.
{
"ID": 2,
"Domain": "Source",
"Key": {
"Filter": 1
}
}The response looks like this:
{
"ID": 1,
"Action": "Set",
"Elements": {
"Name": "ELEKTRON_DD",
"SupportsQoSRange": 0,
"Capabilities": {
"Type": "Array",
"Data": {
"Type": "UInt",
"Data": [
5,
6,
7,
8,
...
]
}
},
"QoS": {
"Type": "Array",
"Data": {
"Type": "Qos",
"Data": [
{
"Timeliness": "Realtime",
"Rate": "JitConflated"
}
]
}
},1
Categories
- All Categories
- 6 AHS
- 37 Alpha
- 161 App Studio
- 4 Block Chain
- 4 Bot Platform
- 16 Connected Risk APIs
- 47 Data Fusion
- 30 Data Model Discovery
- 608 Datastream
- 1.3K DSS
- 577 Eikon COM
- 4.9K Eikon Data APIs
- 7 Electronic Trading
- Generic FIX
- 7 Local Bank Node API
- Trading API
- 2.7K Elektron
- 1.3K EMA
- 236 ETA
- 519 WebSocket API
- 33 FX Venues
- 10 FX Market Data
- 1 FX Post Trade
- 1 FX Trading - Matching
- 12 FX Trading – RFQ Maker
- 5 Intelligent Tagging
- 2 Legal One
- 20 Messenger Bot
- 2 Messenger Side by Side
- 9 ONESOURCE
- 7 Indirect Tax
- 59 Open Calais
- 264 Open PermID
- 39 Entity Search
- 2 Org ID
- PAM
- PAM - Logging
- 8.4K Private Comments
- 6 Product Insight
- Project Tracking
- ProView
- ProView Internal
- 20 RDMS
- 1.4K Refinitiv Data Platform
- 367 Refinitiv Data Platform Libraries
- 3 Refinitiv Due Diligence
- LSEG Due Diligence Portal API
- 3 Refinitiv Due Dilligence Centre
- Rose's Space
- 1.1K Screening
- 18 Qual-ID API
- 13 Screening Deployed
- 23 Screening Online
- 10 World-Check Customer Risk Screener
- 990 World-Check One
- 44 World-Check One Zero Footprint
- 45 Side by Side Integration API
- Test Space
- 3 Thomson One Smart
- 1.2K TR Internal
- Global Hackathon 2015
- 2 Specialists Who Code
- 10 TR Knowledge Graph
- 150 Transactions
- 142 REDI API
- 1.7K TREP APIs
- 4 CAT
- 21 DACS Station
- 117 Open DACS
- 1.1K RFA
- 103 UPA
- 172 TREP Infrastructure
- 224 TRKD
- 886 TRTH
- 5 Velocity Analytics
- 5 Wealth Management Web Services
- 59 Workspace SDK
- 9 Element Framework
- 5 Grid
- 13 World-Check Data File
- Yield Book Analytics
- 46 中文论坛