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.
KuCoin SMS for account lockout notifications
SveaSMS gives you a direct path to send bulk SMS in minutes — with tier-1 routing, real-time analytics and no KYC delay. KuCoin SMS for account lockout notifications shows exactly how to get started.
- Reach KuCoin users across 200+ countries
- Send account lockout notifications 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
Support that answers
We operate from Sweden. Ping us and a technician answers — not a chatbot, not a tier-1 agent escalating. Directly to someone who knows the system.
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.
Compliance without friction
Automatic opt-out via STOP/AVSLUTA, quiet hours per market and content warnings that catch carrier-risk content before you send.
Frequently asked questions
Is there an API?
Yes. REST API with examples for Node.js, Python, PHP, Go and Ruby. See /api/rest for documentation.
Can I use multiple Sender IDs at once?
Yes. Rotate per segment, campaign or language with no hard cap.
How is opt-out handled?
Automatically through STOP/AVSLUTA — the customer is placed on a per-sender blocklist. You can also whitelist.
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 schedule campaigns?
Yes. From the dashboard or API, including timezone-aware scheduling and batch sends.
Is SMS content logged?
Metadata is logged for DLR and support. Message content can be pseudonymized or deleted on request.