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TikTok Region API Endpoints

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Get a list of supported regions (country codes) to filter search results and challenge posts by specific geographic locations.

GET region-list/

Region List

Retrieve a comprehensive list of supported country codes and regions. Use these codes to filter search results and localized content. Returns a flat map of ISO-style codes (AD, AE, AF ... US) to region names, and costs nothing to cache - fetch it once at deploy time. These codes drive the region parameter on /search-video/, /search-user/ and /challenge-posts/, unlocking per-country trend comparisons.