Your own Sender ID
Set any sender name you want, up to 11 alphanumeric characters. No pre-approval, no waiting, no follow-up questions. Change Sender ID between campaigns or use different IDs per segment for A/B testing.
Bitfinex SMS delivery in Slovakia
SveaSMS gives you a direct path to send bulk SMS in minutes — with tier-1 routing, real-time analytics and no KYC delay. Bitfinex SMS delivery in Slovakia shows exactly how to get started.
- Local delivery in Slovakia (+421)
- Tuned for Bitfinex 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
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.
Compliance without friction
Automatic opt-out via STOP/AVSLUTA, quiet hours per market and content warnings that catch carrier-risk content before you send.
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.
Frequently asked questions
How fast are SMS delivered?
Usually within seconds through direct connections to Swedish operators. Delivery rate above 99%.
Can I use multiple Sender IDs at once?
Yes. Rotate per segment, campaign or language with no hard cap.
Do I need KYC or verification?
No. Sign up, top up and send. No forms, no application, no waiting.
Is there an API?
Yes. REST API with examples for Node.js, Python, PHP, Go and Ruby. See /api/rest for documentation.
How is opt-out handled?
Automatically through STOP/AVSLUTA — the customer is placed on a per-sender blocklist. You can also whitelist.
Can I send OTP?
Yes. Low latency, high queue priority and separate throughput limits for transactional SMS.