{"id":"83a47e38-de41-45f2-8f83-ac0176877e1a","type":"DATASET","name":"European Central Bank — Open market operations (OMO)","slug":"ecb-open-market-operations-omo","description":"Open market operations (OMO) — official time series from the European Central Bank Data Portal, published as the OMO 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. Browse and chart the same series on the ECB Data Portal.","free_access_class":"FREE_NO_AUTH","auth_type":"NONE","homepage_url":"https://data.ecb.europa.eu/data/datasets/OMO","docs_url":"https://data.ecb.europa.eu/help/api/overview","repo_url":null,"status":"ACTIVE","verification_state":"VERIFIED","tags":["economy","prices"],"logo_url":"https://data.ecb.europa.eu/themes/custom/edp/favicon.ico","primary_source_url":"https://data-api.ecb.europa.eu/service/data/OMO/all?lastNObservations=1&format=jsondata","extraction_confidence":"0.95","created_at":"2026-07-18T21:24:11.868Z","updated_at":"2026-10-16T10:22:52.473Z","last_verified_at":"2026-10-16T10:22:52.473Z","deprecated_at":null,"ranking_score":61,"last_ranked_at":"2026-10-07T00:41:06.554Z","last_seen_at":null,"last_validated_at":null,"last_uptime_at":null,"search_vector":"'2.1':29B,95B,198B,264B 'a':221B,267B,288B 'also':133B,302B 'analysi':167B 'analysis':336B 'and':210B,224B,230B,281B,305B,323B,334B 'api':97B,266B 'area':158B,327B 'as':192B,257B 'bank':3A,19B,77B,153B,172A,188B,246B,322B 'be':303B 'brows':60B,135B 'browse':229B 'browsed':304B 'by':318B 'can':283B,301B 'central':2A,18B,76B,152B,171A,187B,245B,321B 'chart':62B,137B,231B 'charted':306B 'cover':155B 'covers':324B 'csv':38B,108B,207B,277B 'csvdata':40B,209B 'data':20B,69B,86B,102B,142B,189B,238B,255B,271B,311B 'dataflow':26B,91B,195B,260B 'dataset':146B,315B 'ecb':68B,85B,141B,237B,254B,310B 'econom':164B 'economi':168C 'economic':333B 'endperiod':57B,125B,226B,294B 'endpoint':32B,100B,201B,269B 'euro':157B,326B 'euro-area':156B,325B 'european':1A,17B,75B,151B,170A,186B,244B,320B 'exact':46B 'exactly':215B 'extract':45B,115B,214B,284B 'filter':59B,128B 'filters':228B,297B 'financi':166B 'financial':335B 'for':332B 'format':39B,43B,111B,208B,212B 'formats':280B 'from':184B 'in':272B 'interact':138B 'interactively':307B 'is':316B 'json':42B,110B,211B,279B 'jsondata':44B,213B 'key':53B,120B,222B,289B 'lastnobserv':58B,127B 'lastnobservations':227B,296B 'maintain':148B 'maintained':317B 'market':5A,9B,79B,174A,178B,248B 'ml':37B,107B,206B,276B 'monetari':159B 'monetary':328B 'need':50B,219B 'offici':12B,71B 'official':181B,240B 'omo':7A,11B,25B,81B,90B,176A,180B,194B,250B,259B 'on':235B,243B,308B 'one':31B,200B 'open':4A,8B,78B,173A,177B,247B 'oper':6A,10B,80B,161B 'operations':175A,179B,249B,330B 'or':278B,295B 'over':196B,261B 'path':54B,121B,223B,290B 'polici':160B 'policy':329B 'portal':21B,70B,87B,143B,190B,239B,256B,312B 'price':169C 'publish':22B,82B 'published':191B,251B 'rest':30B,96B,199B,265B 'return':101B 'returns':270B 'same':233B,299B 'sdmx':28B,36B,94B,106B,197B,205B,263B,275B 'sdmx-ml':35B,105B,204B,274B 'seri':14B,48B,65B,73B,117B,131B 'series':183B,217B,234B,242B,286B,300B 'serv':33B 'serves':202B 'singl':99B 'single':268B 'specif':116B 'specific':285B 'startperiod':56B,124B,225B,293B 'the':185B,193B,216B,232B,236B,253B,258B,262B,298B,309B,314B,319B 'time':13B,72B,182B,241B 'togeth':122B 'together':291B 'use':118B,162B 'useful':331B 'user':113B 'users':282B 'using':287B 'via':83B,252B 'websit':144B 'website':313B 'with':220B,292B 'xml':34B,104B,203B,273B 'you':218B","popularity_score":"0.0000","maintenance_score":"0.7000","institution_id":"eab3ebe3-a519-43d8-a676-4192af61f357","institution_type":"REGULATOR","country_code":"EU","official_confidence":95,"proof_summary":"Official ECB Data Portal dataflow OMO, promoted from the endpoint-verified portal entry","source_seed_url":null,"is_public_sector":true,"published_at":"2026-07-18T21:24:11.868Z","geographic_scope":"EUROPEAN","name_en":null,"description_en":"Official time series on European Central Bank open market operations (OMO), published via the ECB Data Portal as the OMO dataflow over the SDMX 2.1 REST API. 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Add a key like /data/OMO/D.USD.EUR.SP00.A to select a series."}],"status":"ok","error_message":null,"profiled_at":"2026-10-15T18:03:58.494Z","run_id":"03a3735e-739c-4c18-ab39-1d1747d5c67a","created_at":"2026-07-20T03:13:29.041Z","updated_at":"2026-10-15T18:03:58.494Z","license_raw":null,"license_id":null,"consecutive_failure_count":0,"last_error_at":null,"last_error_message":null,"previewable":true,"personal_data":{"status":"none","basis":"no_person_column_cited","grain":"none","allowed":true,"columns":{"direct_identifiers":[],"family_names":[],"given_names":[],"attributes":[],"unresolved_names":[],"measures":["OBS_VALUE"],"entity_identifiers":[]},"publication":null,"publication_evidence":null,"notice":"personal data: no cited column names a natural person (the cited columns are all this reads)"}},"datasets":[],"limits":[],"manifest":{"answer_sha256":"ebcb85d9c824440438b6b2533bf59df9126c8e66213d83dcb533d9771cff4aa9","answer_sha256_rule":"sha256 (hex, UTF-8) of JSON.stringify(this body) after deleting the keys listed in manifest.stamped_keys from manifest, and deleting manifest itself if it is then empty. The hash was computed before the stamp existed, so no field of the stamp is inside it.","stamped_keys":["answer_sha256","answer_sha256_rule","stamped_keys","row_count","row_count_basis","live","live_basis","created_at","created_at_basis","durable_citation"],"row_count":51,"row_count_basis":"Objects that are elements of a JSON array anywhere in this body, excluding manifest. Not a claim about which collection is the answer. Largest single collection: data_profile.fields[] (30 rows).","live":false,"live_basis":"This body was replayed from the worker edge cache (x-edge-cache: hit); the bytes, and therefore answer_sha256, are those of the execution that filled the cache.","created_at":"2026-10-17T05:56:46.285Z","created_at_basis":"When this response body was assembled, deliberately OUTSIDE the hashed bytes so the same answer hashes identically on every request. Not the upstream read time — that is provenance[].retrieved_at. A zone-cached replay carries the assembly time, not your receipt time.","durable_citation":"This manifest is produced at response time and is NOT stored. A durable, replayable citation is persisted only on an explicit cite: GET /api/v1/entries/{id-or-slug}/evidence, or the MCP cite_query tool. Both are entry-scoped, because evidence_manifests is entry-shaped; a domain answer spanning several sources has no single entry and cannot be persisted through that path."}}