Try It — Live USSD Simulator
HARZ SkyEye
Satellites on your phone
1. Flood risk
2. Drought
3. Soil
4. Weather
0. Exit
Dialing *384*77# — type your answer, then press OK (like a real feature phone)
How It Works
1. Dial *384*77#On ANY phone — even a 2003 Nokia. No internet needed.
2. Choose intelligenceFlood risk, drought, soil, or weather for any location.
3. Type coordinatesAs plain numbers: 90765*73986 means 9.0765, 7.3986 (Abuja).
4. Satellite answersLive NASA data returns as plain text in seconds.
5. Sealed foreverEvery answer gets a Space Notary seal — a tamper-evident hash chain. SKY-00001, SKY-00002... break one seal, the whole chain breaks.
API Reference
POST/GET /ussdAfrica's Talking-compatible USSD callback. Params: phoneNumber, text (menu input separated by *).
GET /api/healthService status + seal count.
GET /api/seals10 most recent Space Notary seals.
GET /api/seal/SKY-00001Verify a seal — recomputes the hash chain to prove tamper-evidence.