Silent. Automatic. Trusted.

Your last-mile personal safety system.

AlivePing automatically alerts trusted contacts if you fail to check in, providing immutable proof on the Solana blockchain.

• Safety Check-In: Automatic check-in sessions with deadline alerts
• Panic Button: Instant emergency alerts with location sharing
• Trusted Contacts: Manage emergency contacts
• Blockchain Verification: Immutable on-chain proof of safety sessions
• Location Tracking: Privacy-first location sharing
• Event History: View past safety events

• React Native (Expo)
• TypeScript
• Solana (Anchor) - Deployed on Testnet
• Meta WhatsApp Business API (Alerts)
• NativeWind
• Datadog (Monitoring)
• Confluent Cloud (Event Streaming)

Status: ✅ Deployed on Testnet

• Program ID: 9ykG65VCa5KsbKkc1HdgbZRDr61fYjHYnDGy17LafX1e
• Network: Testnet
• Build Size: 191KB (optimized)
• Explorer: View on Solana Explorer

Contract Instructions:

• startCheckIn - Start a safety check-in session
• triggerPanic - Trigger emergency panic alert
• confirmSafe - Confirm safety check-in
• cancelCheckIn - Cancel active check-in
• expireCheckIn - Mark check-in as expired
• closeSession - Close a session
• updateLastPing - Update last ping timestamp

For detailed contract documentation, see contracts/README.md

npm install

Copy .env.example to .env and fill in your values:

cp .env.example .env

Required environment variables:

# Solana Configuration (Already configured for testnet)
EXPO_PUBLIC_SOLANA_PROGRAM_ID=9ykG65VCa5KsbKkc1HdgbZRDr61fYjHYnDGy17LafX1e

# Datadog Monitoring
EXPO_PUBLIC_DATADOG_API_KEY=your_datadog_key
EXPO_PUBLIC_DATADOG_SITE=datadoghq.com
EXPO_PUBLIC_DATADOG_SERVICE=aliveping-mobile
EXPO_PUBLIC_DATADOG_SOURCE=react-native

# Confluent Cloud (Kafka)
EXPO_PUBLIC_CONFLUENT_API_KEY=your_confluent_key
EXPO_PUBLIC_CONFLUENT_API_SECRET=your_confluent_secret
EXPO_PUBLIC_CONFLUENT_CLUSTER_ID=your_cluster_id
EXPO_PUBLIC_CONFLUENT_REST_ENDPOINT=your_rest_endpoint
EXPO_PUBLIC_CONFLUENT_TOPIC=AlivePing

# Google Gemini AI
EXPO_PUBLIC_GEMINI_API_KEY=your_gemini_key

# Meta WhatsApp Business API (Required for WhatsApp alerts)
EXPO_PUBLIC_WHATSAPP_ACCESS_TOKEN=your_whatsapp_access_token
EXPO_PUBLIC_WHATSAPP_PHONE_NUMBER_ID=your_whatsapp_business_account_id
EXPO_PUBLIC_WHATSAPP_ALERT_PHONE_IOS=your_ios_recipient_phone_number
EXPO_PUBLIC_WHATSAPP_ALERT_PHONE_ANDROID=your_android_recipient_phone_number

Note: WhatsApp alerts are sent using Meta's WhatsApp Business API. You'll need to:

1. Create a Meta Business account
2. Set up a WhatsApp Business account
3. Get an access token from Meta's Graph API
4. Get your WhatsApp Business Phone Number ID (the sender account ID)
5. Configure recipient phone numbers for alerts (one for iOS, one for Android)

npm start

DevSapiens

• GitHub: ashutosh887

MIT