Get Reach Estimate API

Retrieve expected delivery and cost ranges for marketing messages sent from
the specified WABA to users in the given country. Estimates are derived from
historical performance over the selected lookback period.

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Query Params
string

WhatsApp Business Account ID for which to fetch reach estimates.

string

ISO 3166-1 alpha-2 country code for the target audience, e.g. IN for India.

string
enum
required

Historical lookback window used to compute estimates.
Supported values: L1D (last 1 day), L7D (last 7 days),
L14D (last 14 days), L28D (last 28 days).

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