Watchdata API
Blockchain · Operational · 30d uptime 100%
Get to Raw data with WatchData’s blockchain API. Get information about balances, transactions, logs, and others just in one click. Our blockchain info API is fast and reliable.
Trust signals
Pricing
FREE
Auth
API_KEY
CORS
No
Rate limit
Not documented
Health
150ms
Trust score
89 (B)
Last checked Oct 19, 2026 · uptime 24h 100% / 7d 100% / 30d 100%
Strong candidate; weakest signal is CORS.
Links
- Homepagewatchdata.io
- Documentationdocs.watchdata.io
- Base URLdocs.watchdata.io
Integration checklist
- Auth is API_KEY
- No CORS — route calls through your backend.
- Rate limit: Not documented