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DSS RESTAPI throwing error

curl -X POST \
-H "Authorization: Token $token" \
-d '{ {"ExtractionRequest": {"@odata.type": "#DataScope.Select.Api.Extractions.ExtractionRequests.IntradayPricingExtractionRequest",\
"ContentFieldNames": [ "RIC", "Ask Price", "Bid Price", "Trade Date" ],"IdentifierList": {"@odata.type": \
"#DataScope.Select.Api.Extractions.ExtractionRequests.InstrumentIdentifierList", "InstrumentIdentifiers": \
[{ "Identifier": "FN3015TB1=FINR", "IdentifierType": "Ric" },{ "Identifier": "FN3020TB1=FINR", "IdentifierType": "Ric" }},\
"Condition": { "ScalableCurrency": true }}}' \
https://selectapi.datascope.refinitiv.com/RestApi/v1/Extractions/Extract

Response:

% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 599 100 80 100 519 254 1648 --:--:-- --:--:-- --:--:-- 1926{"error":{"message":"Value cannot be null.\r\nParameterName=ExtractionRequest"}}


dss-rest-api#technology
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The request as shown in your question is incorrect and not a proper JSON message - its missing a few brackets.

You will also need to include headers to indicate what type of payload it is. Please use Postman or Python examples to try out the API samples.

curl -X POST -H "Authorization: Token ***" -H "Content-Type: application/json" -d @requestBody.txt "https://selectapi.datascope.refinitiv.com/RestApi/v1/Extractions/Extract"
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