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.
SveaSMS API: Sandbox Environment
SveaSMS gives you a direct path to send bulk SMS in minutes — with tier-1 routing, real-time analytics and no KYC delay. SveaSMS API: Sandbox Environment shows exactly how to get started.
- SveaSMS for API integration — no KYC
- Pick any Sender ID you want
- Tier-1 carrier routes for high delivery
- Real-time analytics per message
- Send in minutes, not weeks
- Crypto & card top-ups
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.
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.
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 use multiple Sender IDs at once?
Yes. Rotate per segment, campaign or language with no hard cap.
Which countries do you cover?
Primarily Sweden through tier-1 direct connections. Nordic countries and Europe are available through partner networks.
Is SMS content logged?
Metadata is logged for DLR and support. Message content can be pseudonymized or deleted on request.
How is opt-out handled?
Automatically through STOP/AVSLUTA — the customer is placed on a per-sender blocklist. You can also whitelist.
Can I schedule campaigns?
Yes. From the dashboard or API, including timezone-aware scheduling and batch sends.
Can I send OTP?
Yes. Low latency, high queue priority and separate throughput limits for transactional SMS.