Best web search APIs with EU data residency (2026)

EU data residency for search APIs requires that requests, stored data, indexes, inference, and related processing remain in the EU, rather than merely returning localized results or offering privacy controls such as zero data retention. As of October 14, 2026, Parallel, Linkup, and Staan document EU processing options, while Brave, Exa, Tavily, and Perplexity do not. Parallel’s optional EU endpoint covers basic Search API requests, including its index and inference, with zero retention by default, although limited billing metadata is sent to the United States, live web fetching may occur globally, and its Extract API is excluded. Linkup can guarantee local processing through enterprise agreements and offers selected customers Bring Your Own Cloud deployments, while Staan hosts infrastructure in Europe but may use a configurable US fallback for supplementary results. The comparison emphasizes that residency differs from data sovereignty, which concerns legal jurisdiction, and recommends evaluating vendor commitments against specific requirements, including European ownership, customer-controlled cloud processing, retention policies, and the handling of data that may still leave the region.

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