BSP.
Business Solution Provider
A BSP (Business Solution Provider) is a Meta-approved infrastructure provider that grants brands access to the WhatsApp Business API. Since Meta only opens the API through BSPs, the BSP is a mandatory intermediate layer for any enterprise WhatsApp communication.
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BSP responsibilities: provide API access, manage template approval, supply scalable sending infrastructure, reporting, multi-agent management. Regional compliance integration is also typically the BSP's responsibility.
BSP selection is critical — non-Meta-certified or grey-market BSPs increase the risk of number bans. d-reach is a Meta-certified self-serve BSP; Starter 799 TL/month + 1.5 TL/message in Türkiye (Enterprise custom pricing for high volume; conversation-based pricing globally).