Daily quotas
- Guest: 1 SMS per day per IP (default).
- Registered user: 10 SMS per day per account (default).
- Limits are configurable through environment variables.
Limits, quotas, and responsible use
This platform is built for legitimate traffic. We enforce per-IP/user quotas and destination cooldown to minimize abuse and protect sender reputation.
Cooldown
- IP/user cooldown: 60 seconds between sends (default).
- Destination cooldown: same number cannot be retried for several hours.
- API always returns a readable error when a rule is hit.
FAQ
Can I send links? No. URL content is blocked to reduce spam risk.
What if a destination is blocked? The API refuses delivery with a clear error.
How do I opt out? Use the Report Number page.
SMS2OTP
Need higher volume and stronger deliverability?
If you need sustained traffic, advanced reporting, and OTP automation, check SMS2OTP.