GotSMS vs. OnlineSIM
Fine for casual, occasional use on low-risk services. Not built for scale or automation.
GotSMS
- Every line is a dedicated physical carrier connection, never shared
- Self-service Refund button — no support ticket, available for 24 hours after purchase if no SMS arrives
- Full REST API for CI/CD and automation workflows
From $1.00/day, tiered rentals up to 1 year
OnlineSIM
- Long track record
- Broad service coverage
- Multiple payment methods
- Legacy virtual number ranges are widely fingerprinted by major platforms
- Manual refund review can take days
- No API-first workflow for automated testing
From $0.15/activation
| Founded | 2023 | 2015 |
| Line type | Physical carrier | Mixed / virtual pool |
| Coverage | USA only (100% physical cellular infrastructure) | 170+ (mixed pool) |
| API access | ||
| Refund policy | Self-service Refund button on site — within 24 hours of purchase if no SMS arrives | Manual review |
Bottom line
Fine for casual, occasional use on low-risk services. Not built for scale or automation.
Try a dedicated line yourself
First activation from $0.55, no KYC.
Other comparisons
Reviewed by Victor Reyes, Head of Telecom Infrastructure & SEO, GotSMS. Comparison based on publicly available provider documentation, last reviewed January 2026.