Best Buy vs Lazada

Best Buy's public REST API exposes product, store, category, and recommendation data behind a free API key registered through its developer portal. Responses can be returned as either JSON or XML for most endpoints, though the newer Recommendations endpoints are JSON-only. Live probing shows the gateway actively validates keys server-side but returns no CORS headers, so it is built for server-side integration rather than direct browser calls.

Lazada's Open Platform gives registered sellers and partners programmatic access to product, order, and seller-performance data across its Southeast Asian marketplaces. Every call must carry an HMAC-SHA256 signature derived from an app key/secret pair rather than a plain bearer token, confirmed live by a MissingParameter error demanding the app_key. Access requires an approved developer application tied to an active Lazada seller account, at no separate charge.