Developer Builds AI-Powered WhatsApp Football Commentator Using PHP and Google Gemini

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A developer has created GoalPulse AI, a WhatsApp chatbot that delivers passionate, real-time football commentary using PHP, Meta Graph API, and Google's Gemini AI model. The project was submitted to the DEV Weekend Challenge: Passion Edition, which invites developers to build tools driven by personal enthusiasm. Unlike conventional sports bots, GoalPulse AI uses a high-temperature Gemini API setting and a persona-driven system prompt to generate emotionally charged responses to fan messages. The backend webhook system validates incoming payloads via HMAC SHA-256 signatures and employs an exponential backoff algorithm to handle traffic spikes during major match moments. The project was entered under the Best Use of Google AI category, with the gemini-1.5-flash model at its core.

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