How to Access Canadian Government Tender Data via API in 2026

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Canada's federal and provincial governments collectively procure over $200 billion in goods and services annually, but tender data is spread across multiple portals with no single unified API. The three main open-data sources are CanadaBuys (federal), Québec's SEAO system, and Nova Scotia's open-data portal, each publishing machine-readable data under open licences in different formats including CSV and OCDS JSON. CanadaBuys refreshes new tender notices every two hours during business hours, while Québec releases weekly JSON files whose URLs must be located through a CKAN catalogue query. Ontario, British Columbia, Alberta, and Saskatchewan operate separate portals without public data feeds, requiring browser-level scraping to access. Developers building a unified pipeline must handle format differences, bilingual normalization, schema drift, and scheduling — challenges that have also prompted the emergence of commercial aggregator tools offering a single normalized feed.

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