WattBuy API
Environment · Operational · 30d uptime 100%
Electricity usage estimations, carbon footprint estimations, and utility data
Trust signals
Pricing
FREEMIUM
Auth
API_KEY
CORS
No
Rate limit
Free tier available. Paid plans for higher limits.
Health
869ms
Trust score
81 (B)
Last checked Oct 18, 2026 · uptime 24h 100% / 7d 100% / 30d 100%
Strong candidate; weakest signal is CORS.
Links
- Homepagewattbuy.com
- Documentationwattbuy.readme.io
- Base URLwattbuy.readme.io/reference/getting-started-with-your-api
Integration checklist
- Auth is API_KEY
- No CORS — route calls through your backend.
- Rate limit: Free tier available. Paid plans for higher limits.