Website Carbon API
Environment · Operational · 30d uptime 100%
The original website carbon calculator tool, brought to you by Wholegrain Digital,London's original sustainable WordPress agency.
Trust signals
Pricing
FREE
Auth
NONE
CORS
No
Rate limit
Free to use. Rate limits not documented.
Health
127ms
Trust score
89 (B)
Last checked Oct 17, 2026 · uptime 24h 100% / 7d 100% / 30d 100%
Strong candidate; weakest signal is CORS.
Links
- Homepagewww.websitecarbon.com
- Documentationapi.websitecarbon.com
- Base URLapi.websitecarbon.com/
Integration checklist
- Auth is NONE
- No CORS — route calls through your backend.
- Rate limit: Free to use. Rate limits not documented.