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SimpleWA is a managed WhatsApp API platform that enables developers, SaaS teams, agencies, and businesses to send and receive WhatsApp messages through a simple REST API. Users can connect a WhatsApp number by scanning a QR code or using a pairing code, then manage messaging and automation from a web dashboard without maintaining their own messaging infrastructure.
The platform supports text messages, images, videos, documents, voice notes, contacts, locations, groups, message replies, reactions, and delivery or read-status tracking. Real-time webhooks notify applications about incoming messages, status updates, and session disconnections, while HMAC signing helps secure webhook events. SimpleWA also provides message history, session health monitoring, isolated sessions for multiple WhatsApp numbers, and typed SDKs for Node.js, TypeScript, Python, and PHP. Its REST-based architecture can be integrated with custom applications, automation workflows, and tools such as n8n.
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