WhatsApp Sender

Facebook Graph API
Send Text Message
Deliver a plain text message to any WhatsApp number.
Configure AccessToken and PhoneNumberId in appsettings.json before sending. The recipient must have a WhatsApp account.
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Send Template
Send a Meta-approved template message with optional parameters.
Templates must be pre-approved in the Meta Business Manager. Use the exact template name as registered. Add {{1}}, {{2}} … parameters below if needed.
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Send Media
Share images, documents, audio, or video files via URL.
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Interactive Buttons
Send a message with up to 3 quick-reply buttons.
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Authentication / OTP
Deliver a secure One-Time Password using a dedicated authentication template.
Use this for sending OTPs. The template must be categorized as Authentication in Meta and should ideally include a Copy Code button.
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Audit Trail
Complete history of all messages sent via the API.
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Time App Recipient Type Status Details
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Application Profile
Select which WhatsApp app profile to use from appsettings.json.
The server will use the credentials associated with this name in your configuration.
Note: You can manage multiple Apps in appsettings.json under the WhatsApp:Apps section.

Response Log

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