We're excited to announce a major upgrade to Crypton's phone number rental service! We've introduced two distinct rental types to better serve different use cases: Short-Term and Long-Term rentals. This change gives you more control, transparency, and the right infrastructure for your specific needs.


What Changed?

All existing phone numbers have been automatically classified as Short-Term rentals (no action required on your part), and we've introduced a new Long-Term rental option with premium features.

Here's what you need to know about this upgrade.


The Two Rental Types Explained


Short-Term Rental

Perfect for: Verification codes, testing, temporary projects

Short-term rentals use our shared gateway infrastructure (powered by services like Vonage) to handle SMS. This approach keeps costs lower while maintaining full functionality for receiving messages and basic SMS sending.

Key Features:

  • Receive SMS - Instant delivery of all incoming messages
  • Send SMS - Full sending capabilities via shared gateway
  • API Access - Complete API integration
  • Instant Activation - Ready to use immediately
  • Sender ID - Recipients may see "SMS" or a generic sender instead of your number

Pricing: Starting from the base regional cost

Ideal Use Cases:

  • Receiving 2FA and verification codes
  • Testing and development
  • Temporary communication needs
  • Cost-effective SMS solutions
  • Short-duration projects (1-6 months)

Long-Term Rental

Perfect for: Business SMS, customer support, brand identity

Long-term rentals include a dedicated Android gateway device with your SIM card installed. This exclusive infrastructure ensures your actual phone number always appears as the sender when you send SMS, just like a regular phone.

Key Features:

  • Receive SMS - Instant delivery of all incoming messages
  • Send SMS - Full sending capabilities with YOUR number as sender
  • API Access - Complete API integration
  • Dedicated Gateway - Physical Android device with your SIM card
  • Sender ID - Your actual phone number shows to all recipients
  • Premium Reliability - No shared resources, guaranteed delivery

Pricing: Base regional cost + gateway premium

Ideal Use Cases:

  • Business communication
  • Customer support lines
  • Marketing campaigns
  • Two-factor authentication where sender ID matters
  • Brand identity and trust
  • Long-duration needs (7-12 months)

Side-by-Side Comparison

Feature Short-Term Long-Term
Receive SMS Yes Yes
Send SMS Yes Yes
API Access Full access Full access
Sender ID Generic/"SMS" Your actual number
Gateway Type Shared (Vonage) Dedicated (Android)
Infrastructure Shared resources Dedicated device
Duration 1-12 months (flexible) 7-12 months (recommended)
Instant Setup Yes Yes
Support Standard Standard
Bulk Discounts Up to 10% off Up to 15% off
Price Standard rate Standard rate + premium

Why This Matters

The Sender ID Problem

Previously, all numbers used shared gateway infrastructure. This worked great for receiving SMS (like verification codes), but many users needed their actual phone number to appear as the sender for professional communication.

With shared gateways, recipients might see:

  • "SMS" as the sender
  • A generic number that isn't yours
  • No sender identification

This was problematic for businesses, customer support, and any scenario where sender trust and identity matter.

The Solution: Choice

By introducing two rental types, we give you the choice:

  • Need to receive messages? → Short-Term is cost-effective
  • Need sender identity? → Long-Term gives you dedicated infrastructure

Technical Details

How Short-Term Works

Short-term numbers use shared gateway APIs (like Vonage) to send SMS. Multiple numbers share the same outgoing infrastructure, which:

  • Reduces cost significantly
  • Maintains excellent receiving capabilities
  • May not preserve your number as the sender ID

Your phone number receives SMS directly through our infrastructure, there's no limitation there. The limitation is only for outgoing SMS sender identification.

How Long-Term Works

Long-term numbers get a dedicated Android device in our infrastructure:

  • Physical Android phone with your SIM card installed
  • Sends SMS directly through the mobile carrier network
  • Your number appears as the sender (just like a regular phone)
  • Exclusive resource, no sharing with other numbers
  • Higher reliability and guaranteed delivery

This is the same infrastructure mobile carriers use, ensuring maximum compatibility and trust.


Choosing the Right Rental Type

Choose Short-Term if you:

  • Primarily need to receive SMS (verification codes, 2FA)
  • Don't need your number to show as sender
  • Want a cost-effective solution
  • Have a temporary or short-duration need
  • Don't require dedicated infrastructure

Choose Long-Term if you:

  • Need your actual number to appear as sender
  • Run business communications or customer support
  • Require reliable two-way SMS for critical operations
  • Want to build trust and brand identity
  • Need guaranteed delivery with dedicated resources
  • Plan to use the number for 7+ months

What Happens to Existing Numbers?

Automatic Migration

All existing phone numbers have been automatically classified as Short-Term rentals. This is the conservative default that matches the previous behavior:

  • No price change
  • All features continue working
  • No action required

Can I Upgrade to Long-Term?

Rental types are permanent for each phone number and cannot be changed after purchase. If you need long-term features, you'll need to:

  1. Purchase a new number with the Long-Term rental type
  2. Migrate your services to the new number
  3. Optionally cancel your old short-term number

This design ensures infrastructure consistency and prevents gateway switching issues.


How to Get Started

Purchasing a New Number

When purchasing a phone number, you'll now see a rental type selection page:

  1. Select Your Rental Type - Choose Short-Term or Long-Term
  2. Browse Countries - See pricing for your selected rental type
  3. Choose Your Number - Pick from available numbers
  4. Complete Purchase - Pay and start using immediately

API Integration

The API now includes rental_type in all phone number responses:

{
  "phone_number": "+441234567890",
  "country": "GB",
  "operator": "O2",
  "rental_type": "long_term",
  "can_send_sms": true,
  "gateway_type": "android"
}

Webhooks also include rental type information for proper handling in your applications.


Frequently Asked Questions

Can I switch rental types for an existing number?

No, rental types are permanent for each phone number. You'll need to purchase a new number with the desired rental type.

Why can't I convert my short-term to long-term?

Changing rental types requires moving your SIM card between different infrastructure (shared gateway ↔ dedicated device). This would cause downtime and potential message loss.

Do both rental types support the API?

Yes! The API works identically for both rental types. The only difference is the underlying gateway infrastructure.

Is the long-term gateway reliable?

Extremely reliable. Dedicated Android devices ensure no resource sharing, and messages are delivered directly through mobile carrier networks.

What if I choose the wrong rental type?

You can always purchase a new number with the correct rental type and migrate your services. Unused time on your old number may be refunded within 7 days (see Terms of Service).

Can I have both rental types?

Absolutely! You can have multiple phone numbers with different rental types depending on your needs.


The Bottom Line

This upgrade gives you choice and transparency:

  • Short-Term = Cost-effective, great for receiving
  • Long-Term = Premium infrastructure, your number as sender

Both rental types include:

  • Full SMS sending and receiving
  • Complete API access
  • End-to-end encryption
  • Instant activation
  • Direct support

The right choice depends on your use case. Need to receive verification codes? Short-Term is perfect. Need professional business SMS with your number showing? Long-Term is the way to go.


Ready to Get Started?

Visit our phone number rental page to:

  • Choose your rental type
  • Browse available countries
  • See exact pricing
  • Purchase instantly