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.
Curve SMS delivery 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. Curve SMS delivery in Cuba shows exactly how to get started.
- Local delivery in Cuba (+53)
- Tuned for Curve traffic patterns — bursty, retry-safe
- Sender ID pre-cleared for the market
- Real-time DLR — see every code that lands
- Failover across 3+ carriers per country
Automation and integrations
Trigger SMS from Zapier, Make, n8n, HubSpot, Shopify, WooCommerce or your own backend. Build drip campaigns, welcome flows, abandoned cart flows and OTP instantly.
Transparent pricing
One price per SMS, no monthly fee, no lock-in contract. Balance never expires and you see the exact campaign cost before you press send.
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
Which countries do you cover?
Primarily Sweden through tier-1 direct connections. Nordic countries and Europe are available through partner networks.
Can I send OTP?
Yes. Low latency, high queue priority and separate throughput limits for transactional SMS.
How do I pay?
Crypto (BTC, ETH, USDT) via NOWPayments or card via Banxa. Balance is active as soon as payment is confirmed.
Do I need KYC or verification?
No. Sign up, top up and send. No forms, no application, no waiting.
How fast are SMS delivered?
Usually within seconds through direct connections to Swedish operators. Delivery rate above 99%.
Are there volume discounts?
No — one flat price of 0.89 SEK/SMS up to 100,000 per month. Sending more? Contact us for enterprise pricing.