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How to Do Multi-Platform Number Detection? Cross-Platform Status Matrix and Rate Limit Comparison
Multi-platform number detection doesn't return a single valid/invalid verdict but a matrix of statuses across platforms.
How to Detect Number Registration Status? Normalize First, Then Probe
Number registration status detection is feasible but must be independent of official messaging APIs, starting with E.164 normalization and then combining five layers of concepts for detection and authorization.
