Scales with you
500 MPS by default, upgradeable on demand. From your first OTP to millions of marketing SMS per day — same infrastructure, same API, no migration.
SMS API in Cuba
SveaSMS gives you a direct path to send bulk SMS in minutes — with tier-1 routing, real-time analytics and no KYC delay. SMS API in Cuba shows exactly how to get started.
- SMS API tuned for Cuba (+53)
- Local carrier partners with tier-1 delivery
- REST API, dashboard and CSV upload
- Crypto and card top-ups
- Real-time DLR & analytics per message
Crypto and card payments
Top up with BTC, ETH or USDT via NOWPayments, or by card through Banxa. Balance is available as soon as payment is confirmed — usually within 60 seconds.
GDPR-safe
Data is stored in the EU, with no subprocessors outside the EEA without explicit consent. A DPA is available on request and opt-out is handled automatically.
Developer-friendly API
Simple REST API with idempotency keys, webhooks for DLR and incoming SMS, plus examples for Node.js, Python, PHP, Go and Ruby. Send your first SMS with curl in under 60 seconds.
Frequently asked questions
Can I use multiple Sender IDs at once?
Yes. Rotate per segment, campaign or language with no hard cap.
Is there an API?
Yes. REST API with examples for Node.js, Python, PHP, Go and Ruby. See /api/rest for documentation.
Can I send OTP?
Yes. Low latency, high queue priority and separate throughput limits for transactional SMS.
Can I choose any Sender ID?
Yes. Set any sender name you want, up to 11 characters. We do not pre-review Sender IDs for you.
How is opt-out handled?
Automatically through STOP/AVSLUTA — the customer is placed on a per-sender blocklist. You can also whitelist.
Can I schedule campaigns?
Yes. From the dashboard or API, including timezone-aware scheduling and batch sends.