Respondé 200 en menos de 10 segundos. Procesá en background si tu lógica es lenta.
Si tu endpoint devuelve otro código o no responde, reintentamos con backoff durante
~3 horas (2 min, 20 min, 45 min, 80 min). Después de eso el evento se descarta.
Los reintentos mandan exactamente el mismo payload — si necesitás deduplicar, usá
message.id.
WhatsApp no vincula técnicamente una respuesta libre con el mensaje que la originó.
La atribución es al último envío que le hicimos a ese número por esta API, dentro de
una ventana de 7 días.
Para el caso típico — un envío por presupuesto/operación con su external_ref — esto
funciona directo. Tenelo en cuenta solo si un mismo cliente tiene dos operaciones
activas a la vez: si responde sin citar el mensaje, la respuesta se atribuye a la más
reciente.
Si el cliente responde con audio, imagen o documento, message.type lo indica y
message.text puede venir null.
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