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.
Cheap SMS in Vietnam
SveaSMS gives you a direct path to send bulk SMS in minutes — with tier-1 routing, real-time analytics and no KYC delay. Cheap SMS in Vietnam shows exactly how to get started.
- cheap SMS tuned for Vietnam (+84)
- Local carrier partners with tier-1 delivery
- REST API, dashboard and CSV upload
- Crypto and card top-ups
- Real-time DLR & analytics per message
Delivery rate that holds
Direct connections to Telia, Telenor, Tre and Tele2 provide stable delivery to Swedish numbers. Real-time DLR shows exactly which SMS were delivered, pending or bounced — nothing sits in dark queues.
Real-time analytics
See delivery rate, click rate, opt-outs and revenue per campaign in real time. Segment by operator, geography and time of day — then export to your data lake with webhooks or CSV.
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
Do I need KYC or verification?
No. Sign up, top up and send. No forms, no application, no waiting.
Can I use multiple Sender IDs at once?
Yes. Rotate per segment, campaign or language with no hard cap.
Can I schedule campaigns?
Yes. From the dashboard or API, including timezone-aware scheduling and batch sends.
Is there an API?
Yes. REST API with examples for Node.js, Python, PHP, Go and Ruby. See /api/rest for documentation.
How do I pay?
Crypto (BTC, ETH, USDT) via NOWPayments or card via Banxa. Balance is active as soon as payment is confirmed.
Can I send OTP?
Yes. Low latency, high queue priority and separate throughput limits for transactional SMS.