Temporary numbers that deliver the code.
Choose a country, pick the app, and get a real mobile number for one verification. The SMS streams into your live inbox — and if it never comes, you're refunded automatically.
200+ countries
Live stock and price per country before you rent.
Real-time inbox
The full SMS text, big copyable code, second-SMS support.
Automatic refunds
Silent rental = money back. Cancel early once allowed.
REST API
The same flow, scriptable — rent, poll, finish.
What you pay, and when.
| Situation | Status | Charge |
|---|---|---|
| Code arrives while the number is rented | received | Quoted price |
| You request and receive a second SMS | received | No extra charge |
| No SMS before the ~20 minute window closes | expired | Refunded in full |
| You cancel before any SMS | cancelled | Refunded in full |
| No number available for that pair | unavailable | Never charged |
Lower prices for frequent testers.
Spark
Pay-as-you-go. No subscription — perfect for one-off signups and quick tests.
- Standard OTP rates
- REST API · 30 req/min
- Auto-refund if no SMS arrives
- 200+ countries
Volt
For indie developers shipping weekly — about 23% lower per-OTP prices for 30 days.
- ≈23% off every OTP
- REST API · 120 req/min
- Webhook-ready polling
- Priority routing
Surge
QA teams and CI pipelines running hundreds of verification flows a month.
- ≈36% off every OTP
- REST API · 600 req/min
- Multiple projects, one key
- Priority support
Storm (annual)
Surge pricing locked for a full year — two months free versus monthly.
- Everything in Surge
- 12 months for the price of 10
- Invoice per renewal
- Dedicated onboarding
Popular services
Popular countries
Frequently asked questions
How much does a temporary number cost?
Prices start at $0.15 per code and depend on the country and app. You see the exact price before renting, and if no SMS arrives during the rental window you're refunded automatically.
Do you have an API for developers?
Yes. Generate an API key in the dashboard and use the REST API to rent numbers, poll for codes, request another SMS and cancel activations — ideal for QA automation and CI pipelines.
Which countries are supported?
Instant OTP numbers are available in 200+ countries including the United States, United Kingdom, India, Indonesia, Brazil and Germany. Dedicated numbers are self-serve in the US and Canada.
Is using a temporary number allowed?
Receiving SMS on a rented number is lawful in most countries, but each app has its own terms. OTP Bolt is for testing, privacy and legitimate signups — never for fraud or evading bans.
Your next OTP is one click away.
Create a free account, top up from $5 and receive your first code in under a minute.