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.
Curve SMS for login alerts
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 for login alerts shows exactly how to get started.
- Reach Curve users across 200+ countries
- Send login alerts in under 3 seconds
- Any Sender ID — brand, shortcode or numeric
- REST API, webhooks, dashboard or CSV
- Crypto and card top-ups — pay in USDT, USDC, BTC or SEPA
Compliance without friction
Automatic opt-out via STOP/AVSLUTA, quiet hours per market and content warnings that catch carrier-risk content before you send.
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.
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.
Frequently asked questions
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.
Which countries do you cover?
Primarily Sweden through tier-1 direct connections. Nordic countries and Europe are available through partner networks.
How do I pay?
Crypto (BTC, ETH, USDT) via NOWPayments or card via Banxa. Balance is active as soon as payment is confirmed.
Is there an API?
Yes. REST API with examples for Node.js, Python, PHP, Go and Ruby. See /api/rest for documentation.
How fast are SMS delivered?
Usually within seconds through direct connections to Swedish operators. Delivery rate above 99%.
Is SMS content logged?
Metadata is logged for DLR and support. Message content can be pseudonymized or deleted on request.