Fast, Reliable, & Secure SMS OTP Service in Portugal
Send bulk OTP codes to your customers with Messaggio. Use our feature-rich SMS API for user verification and authentication.
Why do companies technical teams trust Messaggio for OTP messaging?
Savings of up to 40%
You can send SMS with OTP codes, but also similar messages via messengers. This saves you up to 40% of your budget.
High delivery rate
The OTP code will reach the user in Portugal even if one of the channels is unavailable. Use a multi-channel delivery method – for example, SMS > Viber > Telegram.
Powerful spam protection
Our OTP service has limits on sending by number, country, and time period, as well as automatic user blocking. Without additional tools and services.
Global reach & great prices
Send OTP anywhere in Portugal and worldwide at competitive rates. We can offer some of the best prices, as we work directly with local mobile operators.
Simple integration
Integrating software with Messaggio is easy. Full documentation and code samples help you launch quickly in your preferred programming language.
What is included in our OTP service for Portugal?
You can use OTP on your side, or you can entrust Messaggio with all the work with OTP messages. Messaggio can take over the entire verification cycle. Deliver secure, real-time OTP and 2FA codes directly to your users mobile devices to block unauthorized login attempts.
Protect your global user base and elevate sign-in security with Messaggio SMS OTP. Our robust OTP verification delivers fast, reliable one-time passwords for secure identity confirmation worldwide.
| Functionality | Messaggio OTP | Write by yourself |
|---|---|---|
Code generation and storageUnique codes, full lifecycle | Develop it yourself | |
TTL and session managementConfigurable lifetime from 1 minute to 1 hour | Develop it yourself | |
Built-in code verificationA single API endpoint, no logic on your side | Develop it yourself | |
Protection against brute-force attacksAuto-lock after N failed attempts | Develop it yourself | |
Protection against flooding and spamLimits by number and country | Develop it yourself | |
Cascading MessagingTelegram → Viber → SMS, automatic callback | 3 separate integrations | |
Setting up channels by countryDifferent channels and templates for each country | Custom routing logic |
OTP Pricing in Portugal. Everything you need to manage OTP messages in a single plan — from €49 per month
A fixed monthly fee covers all the service’s features. The cost of messages is charged separately according to the channel rates.
STANDART
€99per month
+ from €0.008 per message
- Full access to the OTP service
- All channels
- Setting up channels by country
- Protection against brute-force attacks and spam
- API + documentation
- Session statistics in the dashboard
PROMO
€49€99per month · first 3 months
+ from €0.008 per message
- Everything included in the Standard plan
- 50% off for the first 3 months
- Priority support with setting up the OTP service
- 7-day free trial
Only for new customers· 7 days free· Without linking a card
How do I set up SMS OTP API and start sending messages?
Create an account and get an API key
Sign up, set up your channels and create message OTP templates for users in your account.
Type /otp/send
Provide the user’s phone number. We will generate a code, select the best channel for Portugal and send it automatically.
Type /otp/verify
Pass the session_id and the code that the user entered. Get a «success» or «error» — no additional logic for OTP.
Send not only OTP, but also promotional SMS
You can also send promotional SMS campaigns to your customers. This can be done via your Messaggio account, via the API, or via a plugin. The cost comprises a monthly fee for the sender’s name and the cost of the SMS messages at local operators’ rates. Please contact a Messaggio manager for a quote.
| Operator | Price per SMS, eur |
|---|---|
| LYCAMOBILE | € 0.01667 |
| MEO | € 0.01667 |
| NOS | € 0.01667 |
| VODAFONE | € 0.01667 |
The price is flexible, please confirm the current price per message with the manager
Local SMS pricing in Portugal
Favorable prices for businesses of all sizes. Send your marketing and service campaigns via API, CRM, plugin or use the Messaggio dashboard for mass sending.
- Special prices
- Omnichannel API
- Flexible rates
- 180+ countries
OTP messages for all types of businesses
Enable two-factor authentication for logins, secure changes to account details, and verify new registrations from Portugal and other countries.
Confirm orders and payments, verify registrations in loyalty programs, and authenticate couriers.
Confirm transactions and money transfers. Add 2FA to important operations without complex infrastructure.
Verify students during registration, restrict access to paid content, and confirm course enrolment.
Confirm the transfer of parcels, authenticate couriers, and verify the recipient's identity in Portugal and other countries.
Prevent the creation of fake accounts, verify genuine phone numbers, and reduce the number of bots during registration.
Frequently Asked Questions
Yes, a one-time password via SMS is secure and protects users from Portugal and other countries from unauthorized actions by hackers or fraudsters. Never share the code from an SMS or push notification with anyone. Also, always read the message text: it will always state which transaction (login, transfer) the code is required for.
Yes. For example, you can send messages via several channels: SMS, Viber and Telegram. You can set the order in which messages are sent: for example, first via Telegram, then via SMS. This way, you can save up to 40% on your OTP message budget.
Yes, you can send OTP messages in Portugal, just like in any other country. Contact our manager to calculate the price.
2FA is a common security method (two-factor authentication) that requires you to verify your identity in two different ways (for example, with a password and a code). An SMS OTP is a temporary one-time password (OTP) that the system sends to you via text message (SMS).
SMS verification is a method of confirming a user’s identity or their right to access an account. The user provides a mobile number to which the system sends a one-time numeric password. This confirms that the user owns the specified phone, protecting profiles from hacking and ensuring data security
OTP service costs €49 per month (special offer for new customers, first 3 months) or €99 per month (standard). The cost of message delivery is paid separately according to channel rates — from €0.008 per message via Telegram OTP. The higher the proportion of messengers used instead of SMS, the greater the savings: up to 40% on large volumes.
Yes. Send your phone number and your ready-made code in the API request. Messaggio will only deliver the code. In this case, checking the code from the mailing list remains on your side.
Prices depend on the channels through which you plan to send OTP messages. The cost of SMS messages in Portugal depends on the rates charged by local mobile operators. If, however, you plan to use Telegram to send OTPs, the cost per message is from €0.008.
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