{"id":"2a3faab3-3b80-4cc7-af81-f84a73f4168e","type":"DATASET","name":"European Central Bank — Opinion Surveys (SUR)","slug":"ecb-opinion-surveys-sur","description":"Opinion Surveys (SUR) — official time series from the European Central Bank Data Portal, published as the SUR dataflow over SDMX 2.1 REST. One endpoint serves XML (SDMX-ML), CSV (?format=csvdata) and JSON (?format=jsondata); extract exactly the series you need with a key path and startPeriod / endPeriod / lastNObservations filters. 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