1. General

All you have to do is create an account in SMSARENA, log in the Control panel and buy SMS from your account with 3 simple steps.

  • Go to the “Purchase” screen and type in the number of SMS credits and the respective cost will be displayed
  • Select a payment method
    pay method
  • Agree with our Terms of use and click the purchase button

You will then be redirected to the secure payment environment to complete your purchase.

To find our API specifications, you need to sign in SMSARENA’s Control Panel and go to Account settings (click your username) and select API settings.

You will find all the required information to integrate our API with your system.

The cost depends on the amount of SMS credits that you want to buy.
One credit equals one SMS (up to 160 characters) to a Spanish phone and the credits do not expire.

The cost of our SMS credits bundles can be found in our Pricing page.

Under the login form there’s a “Forgot Password” link.
Click this link and type the mobile phone that was used for registration.

Click “Reset Password” and you’ll receive an SMS with a new password

2. List Management

Some of your customers may not want to receive SMS from you and they might ask you to delete them from your lists.

By adding a mobile number in the Black List, that number will stop receiving SMS when you send to your lists. In order to add/remove contacts to your Black List, go to List Management > Black List

  • Go to List Management and select the “Create List” option
  • Type a list name.
  • Select the “Personalized” type.
  • You need to import the list from your file.
    • The numbers must be in the first column of your file.
    • The personalized information for each number must be in the other columns.

You can find here an example of how your file format should be:



  • Go to List Management and select the “Create List” option
  • Type a list name
  • Select the “Simple” type
  • You can either paste your contacts in the textbox and separate them with [Enter].
  • Or import numbers from you Excel file.
    • Simply select the type of your file and upload it. Note that the numbers must be in the first column of you Excel.

Our system excludes the numbers with wrong format (e.g. less digits) or from your lists automatically.

3. Send SMS

  • First you need to create a personalized list in Contacts or create the Address Book.
  • Go to the SMS Composer and click on Personalized SMS.
  • Select the sender name.
  • Next, you must select a Personalized list and the tags for personalization will be displayed.
  • Start typing the SMS text and add the personalization tags in the contact by clicking them.

  • When you are done, click preview to view an example of your message.

Because of the mobile number which is always in the first column of your list, the first tag {tag1} represents the second column of your personalized list and so on.

Let’s say that you want to send an offer to your customers which is active only for today. You decided that the best time to send the SMS is at 17:00.

It is important for you that the customers will receive the SMS within the day and before closing hour. Your boss does not want any message to be delivered the next day because the offer has ended.

After you send the SMS, the network tries to deliver the message for 48 hours. For example, if a mobile is switched off, the system tries to deliver it within this period.

With Validity period you can specify for how long the system will try to deliver the message to your customers. So, if the closing hour is at 22:30 you need to put the validity period of 5 hours and the pending SMS will be marked as Undelivered after 5 hours from sending.

  • Go to SMS Composer and select Simple SMS or Personalized SMS.
  • Click the sender names dropdown.
  • Select the “Add” option.

  • Now type your sender name and click the “Add” button.

To delete a sender name, go to Account Settings (click your username) > Account settings and delete it from the Sender name table

4. Reporting

The  undelivered status means that the SMS did not reach the specific number. Some reasons that may cause the undelivered status are:

  • Roaming Error
  • Call Barred
  • Absent Subscriber
  • SMS Expired: the SMS by default tries to be delivered for 48 hours, after this time frame the SMS is marked as undelivered due to expiration

The invalid numbers are numbers which do not exist and for that reason the SMS cannot be delivered.

One SMS contains ups to 160 characters in GSM encoding. If the number of characters exceeds 160 the actual number of SMS sent increases.

For example an SMS with 250 character counts as 2 SMS and is charged as 2 SMS but is delivered as one. The column SMS Parts shows the actual number of SMS send based on the number of characters.
To sum up:

  • 0 – 160 characters equals 1 SMS Part
  • 161 – 306 character equals 2 SMS Parts
  • 307 – 459 characters equals 3 SMS Parts

After sending an SMS you probably want to check how did the sending go. You can go to the “Reports” section and find the following options:

  • Total Reports: You can view the total amount of SMS that you have sent for each month. For more details, you can view the SMS sent by date. Furthermore, you can export the SMS sent by date and see the delivery report for each SMS.
  • Reports by sending: View the details and the overall delivery reports for each sending. You’re able to export from each “sending” the SMS and view the delivery status for each SMS. Note that the API sendings are not displayed here.
  • Reports by campaign: If you have created SMS campaigns you can view the overall reports of the sendings of each campaign.

SMSArena is a fully featured bulk SMS platform that enables businesses to send SMS to their customers with the lowest cost. We offer high-quality SMS routes for all Spanish operators, great flexibility in SMS packages and a “best price” guarantee in order to make you feel 100% safe about your choice.

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