When hospitals run out of blood, BloodBridge connects patients to nearby donors instantly — no smartphone required. Just one missed call. Now with AI-powered shortage prediction.
12k+
Deaths/yr from coordination failure
<4min
Average BloodBridge response time
600M
Feature phone users we reach
How it works
Three steps between a request and a donor
📞
Missed call or message
Give a missed call to +91-BLOOD-NOW or WhatsApp blood group + location. No smartphone app needed.
🤖
Gemini AI matches instantly
AI checks blood group compatibility, finds donors within 5km, and checks live blood bank stock simultaneously.
🔮
Predicts shortages 7 days early
Gemini AI analyzes hospital patterns, festivals, accidents to predict blood shortage before it happens.
💌
Donor gets thanked personally
When blood is used, Gemini AI sends a heartfelt thank you to the donor — "Your blood saved a life today." 94% donate again!
Request Emergency Blood
Fill details — Gemini AI will match donors within 60 seconds
A+
A−
B+
B−
O+
O−
AB+
AB−
🔴 Critical
🟡 Moderate
🟢 Stable
✓
3 Donors Found Nearby
Alerts sent — average response in 4 min
🤖 Gemini AI Triage Analysis
Registered Donors — Hyderabad
486 active donors · Toggle availability in real-time
Live Donor Map
Real-time donor locations and blood bank stock — Hyderabad
Greater Hyderabad Area
Donor
Blood Bank
Request
Greater Hyderabad
🔮 AI Blood Shortage Predictor
Gemini AI analyzes patterns to predict blood shortages 7 days in advance
🔑 STEP 1 — Yahan apni Gemini API Key likho
aistudio.google.com pe jao → Get API Key → Free mein milegi
⏳ Gemini AI analyzing patterns...
O−
Nizam's Institute
⚠ Critical in 2 days
CRITICAL
B−
KIMS Hospital
⚡ Low in 4 days
WARNING
AB−
Apollo Blood Bank
⚡ Low in 5 days
WARNING
A+
All Hospitals
✓ Safe for 12+ days
SAFE
O+
All Hospitals
✓ Safe for 15+ days
SAFE
B+
All Hospitals
✓ Safe for 10+ days
SAFE
🤖 Gemini AI Detailed Report
Click "Run Gemini AI Prediction" button upar — real AI analysis aayegi yahan. Apni API key pehle save karo.
How Prediction Works
📅
Seasonal Patterns
Festivals, accidents, surgery schedules
📊
Stock Trends
30-day usage history per blood group
🌧️
Weather Data
Rain = more accidents = more demand
🚨
Auto Alert
Hospitals + donors notified 7 days early
📡 Offline SMS Emergency Mode
No internet? No balance? BloodBridge still works via SMS fallback
Network: Online
Simulate Emergency SMS
Test karo — network off karo aur dekho SMS mode kaise kaam karta hai
SMS Format (Automatic)
SOS B- KIMS 2units CRITICAL
GPS:17.4401,78.4982
Contact:+919876543210
Activity Log
--:--Waiting for SOS trigger...
3-Layer Fallback System
1
Internet Available
Full Gemini AI triage, real-time map, instant push notifications. Best experience.
2
No Internet — SMS Mode
Auto SMS bhejta hai — blood group, GPS location, hospital, urgency sab encode karke. Works on 2G.
3
No Balance — Missed Call
Zero balance? Ek missed call to +91-BLOOD-NOW. System automatically callback karke blood group SMS se leta hai.
📱 Twilio SMS Setup (Production mein)
Real SMS ke liye Twilio free account banao:
1. twilio.com → Free Account
2. Account SID + Auth Token copy karo
3. Developer ko do — woh server mein add karega Hackathon demo mein simulation kafi hai ✓
❤️
Your Blood. Their Second Chance.
When a donor's blood saves a life, BloodBridge sends them a personal thank you — because every hero deserves to know their impact.
247
Lives saved this month
183
Thank you messages sent
94%
Donors donate again after thanks
Mark Blood as Used & Send Thanks
Hospital staff — select donor whose blood was successfully used
💬 Auto-generated Thank You Message
Select a donor below to preview their personalised thank you message...
Select Donor
✅ Yes, Recovered!
🟡 Stable
🔵 In Surgery
✓ Thank you sent! Donor notified via SMS + App.
How It Works
🏥
Hospital confirms blood used
Staff marks the donation as successfully transfused in BloodBridge
🤖
Gemini AI crafts personal message
AI generates unique, heartfelt thank you — personalised with donor's name, blood group, and impact
📱
Donor receives SMS + App notification
Instant delivery. Works even on feature phones via SMS. No app needed.
🔄
94% donors donate again!
Emotional connection = repeat donations = more lives saved. The gratitude loop.
💌 Recent Thank You Messages Sent
🦸
Rahul Sharma — B−
"Dear Rahul, your B− blood was transfused at KIMS Hospital today. A 28-year-old accident survivor is breathing because of you. You are a true hero. 🩸"
Today, 2:34 PM · Delivered via SMS ✓
⭐
Priya Reddy — O+
"Priya, your generous O+ donation saved a mother during emergency surgery at Apollo. Her family sends their heartfelt gratitude. Thank you for being a lifesaver! ❤️"
Yesterday, 6:12 PM · Delivered via App ✓
🌟
Kavitha Menon — AB+
"Kavitha, because of your AB+ blood, a 5-year-old child survived their surgery at Nizam's Institute. You gave a family their child back. You are their angel. 🙏"
2 days ago · Delivered via SMS ✓
🎉
Thank You Delivered! 💌
Live Demo — Missed Call Flow
See exactly what happens from a missed call to donor response
Simulate: Missed Call Received
Click to simulate a missed call from emergency number
00:00
Hyderabad · BloodBridge Network
Missed call from +91-BLOOD-NOW
BloodBridge Alert
B− blood needed — 2.1km away
KIMS Hospital, Secunderabad · Critical · 2 units
Just now
0:00
Click simulate to start
Response Flow
1
Missed call received from feature phone
—
2
Location detected via cell tower triangulation
—
3
Gemini AI parses blood group from SMS reply
—
4
Matched 3 compatible donors within 5km
—
5
Push alerts + SMS sent to all 3 donors
—
6
First donor accepted — en route to hospital
—
Gemini AI Triage Report
Waiting for request...
Ask Gemini AI 🤖
Ask about blood compatibility, donors, or emergency protocols
🔑 Gemini API Key — Yahan add karo
G
Gemini AI — BloodBridge Assistant
google gemini-1.5-flash · real responses
Namaste! Main BloodBridge AI hoon — Gemini se powered. Blood compatibility, donors, emergency protocols — kuch bhi poochho! 🩸
Architecture & Deployment
Production-ready stack — fully cloud deployed on Google infrastructure