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SMS-Enable Your Apps for Only 1 Cent per Text Message

CDYNE Announces New Lower SMS API Pricing

In 2011 CDYNE cut the price of all text messaging to 1 cent worldwide. Text messages to the U.S. and Canada are still 1 cent, but CDYNE upgraded its worldwide reach to a more reliable provider. This international SMS upgrade costs a little more, but it offers Unicode support allowing you to send text messages in many languages. Also, DIDs are available in over 20 countries.

The international offering allows you to send text messages to over 200 countries. There is also a separate inbound reach to UK DIDs for users who require inbound messaging. Two-way messaging is available in most countries where DIDs are offered. Here is an SMS international coverage link to an Excel sheet outlining the pricing, outbound reach, inbound reach, available DIDs, and carrier restrictions.

SMS Notify! 2.0 is a 2-way text messaging Web Service that sends and receives text messages through secure SMS gateways. Commonly used messaging features include automated appointment or payment reminders, product delivery status notifications, and subscriber event messaging.

Automated Keyword Management

CDYNE has added automated keyword management features into SMS Notify! 2.0. SMS message recipients who type HELP, STOP, END, CANCEL, UNSUBSCRIBE, and QUIT keywords will now receive an automated acknowledgement.

When a CDYNE SMS Notify! 2.0 recipient types “HELP” CDYNE will automatically send back a default string with company name, contact information and STOP instructions to end text messages. This allows the recipient to know who is contacting them, and provides them with information on how they can contact the sender. SMS Notify! 2.0 users have the option to customize the HELP return string.

CDYNE SMS Notify! 2.0 automatically manages the STOP, END, CANCEL, UNSUBSCRIBE, and QUIT keywords. When an SMS recipient sends any of these keywords, CDYNE will send an automated acknowledgement. This will block the recipient’s number from receiving messages from our system in an effort to protect them from unwanted or unsolicited messages.

Free SMS API Test Keys

Sign up today to test CDYNE SMS Notify! 2.0 for free.

For more information about CDYNE SMS APIs, please call 1-800-984-3710, inquire or initiate a chat.



What happens when a user tries to send SMS text messages to an invalid phone number? Fortunately, CDYNE’s SMS Notify! SMS Gateway API will automatically clean up certain errors for U.S. and Canadian phone numbers. For example, if you were to send a message to “7575449510e,” the API would take out the “e” and send the message to 7575449510. In this example, SMS Notify! API would return a parameter of “NoError” and continue to send the message to the cleaned up phone number.

The correct format to send U.S. and Canadian numbers is a string such as 7575551234. The International phone number format is a string that includes 011 + country code + number.

While the SMS Notify! text message API will clean errors such as extra digits and/or letters, it will not clean numbers if it has been entered incorrectly and is still a valid number.  For example if you wanted to send a notification to 7575449510, but instead you had the number as 7575449501 within your script, the message would be sent to 7575449501 as it is a valid number.

So when will SMS Notify! API return a “PhoneNumberInvalid” error?

One example is when a phone number contains a character plus six numbers – such as when the letter “o” takes the place of the number zero. A second example is a series of fives, such as 555-555-5555. The image below shows how SMS Notify! will handle these.

When an error occurs due to an invalid phone number, the notification will not be sent to the intended recipient.  However, the account will still be charged for the transaction. The charge takes place because a request was sent to CDYNE and a response was received from CDYNE servers.

What happens if I send a landline phone number to SMS Notify! API?

CDYNE SMS Notify! API does not do a phone verification check on phone numbers, and it will send all valid numbers out. One work around is to run your phone list through CDYNE Phone Verification API which will return whether a phone number is a landline or cell number. CDYNE Phone Verification API is a cost effective way to distinguish between a landline and cellular or even fake phone numbers. Ask about discounts when used in conjunction with SMS Notify! or Phone Notify! APIs.

Sign up for a free trial key to test the Web Services for free!

You can sign up for a trial license key to test SMS Notify! API and Phone Verification for free. For more information about CDYNE Web Services, please call 1-800-984-3710, inquire or initiate a chat.


Say It in Spanish, Canadian French, and German: CDYNE Phone Notify! API Features Three New Text-To-Speech Voices

CDYNE has upgraded its existing text-to-speech (TTS) voices, as well as added three new voices to the text-to-speech engine. With the addition of TTS voices Miguel, Jean-Pierre, and Matthias, your business can add scalable, multilingual, and customizable voice calls to your application. All voices have an 8kHz sampling rate. This is best suited to telephony applications because it eliminates the overhead that is incurred when using voices of a higher sampling rate.

New voices details:

  • Miguel (Americas Spanish), Male, Age 30 –  sample
  • Jean-Pierre (Canadian French) , Male, Age 30 – sample
  • Matthias (German) , Male, Age 30 – sample

All voices may be found here.

CDYNE’s text-to-speech engine converts raw text to written-out words, and then assigns phonetic transcriptions to those words. Text-to-speech can also be combined with recorded .wav files to create relevant call scripts according to your phone messaging web service needs. Call 704-323-7777 to listen to a sample recorded file and text-to-speech example.

Request a trial key to test Phone Notify! API for free by calling 1-800-984-3710, inquire or initiate a chat.


Press Release: Web Services Help Medical Practices Upgrade to Healthcare 2.0.

Web Services Help Medical Practices Upgrade to Healthcare 2.0.
Appointment Reminder and Verification Features Go Fully Automatic
Chesapeake, VA (March 1, 2009) – From efficiency in patient contact to real-time identity theft prevention, Web Services can quickly improve the bottom line for medical management software developers and healthcare practices. Veteran API provider CDYNE Corporation is working with health IT developers to create usable solutions for fraud and communications issues that are a major part of health technology initiatives – for compliance and progress.
With simple add-ons to medical management software, appointment reminders and patient screening integrate with existing software to increase customer retention and attrition for the manufacturer and benefits for the health practice – without a system overhaul. Web Services help hospitals and practices improve patient communication and automate routine tasks. With patient validation at sign-in, Web Services can enhance identity theft prevention plans required by the FTC.
“For medical management software makers, the easiest way to add value and stay flexible with their offering is to plug new services into the current application,” said Christopher Chenoweth, CIO of CDYNE Corporation. “Automated phone and SMS messages and data quality Web Services add function and increase customer satisfaction with short development time, and manufacturers can profit from reselling additional services as a premium to their customers.”
CDYNE hosts secure, high-quality APIs that software developers and in-house staff can use to maximize practice efficiency. Phone and SMS Notify help decrease appointment no-shows and late bill payments and improve service. Death Index, 411, and other data services reduce fraud, aid compliance, and keep records up to date.
CDYNE offers free trial keys. A dedicated healthcare IT page focuses on appointment reminder features, and developers that sign up for Phone/SMS Notify receive fraud prevention Web Services with $0 monthly fee and reduced transaction rates.
About CDYNE Corporation
Since 1999, CDYNE has provided enterprise data quality and communications XML Web Services. APIs include Phone and SMS Notify!; Postal Address, Phone and Email Verification; Demographics; CDYNE 411; Death Index; and IP2Geo. CDYNE APIs reduce fraud in real-time, scrub and enhance data, and simplify contact. Programmed into client applications, CDYNE Web Services automatically process information from our vast databases in milliseconds. There are no contracts or hidden fees. For more information, visit, live chat with staff, view our blog, or call 1-800-984-3710.