one-time-password
One Time Password API

One Time Password (OTP) as a Service

Secure online data and accounts with our OTP API. Generate, send, monitor and manage all OTPs via one convenient connection.

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Trusted by Brands globally

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Don't Become The Next Security Breach Headliner

Securing online interactions is a necessity, if you don't want to end up as the next security breach headliner. Implementing a bunch of loose apps and services can actually make you vulnerable for fraud, and it is often cost-inefficient. That's why we now offer our all-in-one OTP API.

One-Time Password

All-In-One OTP Solution via One Single API

We handle the generation and validation of OTP codes, along with the setup and maintenance of the channels. All you need to do is activate your favorite channels and choose your routing preference.

Contact us to get started

Onboarding

Remove risk and friction from the onboarding process by verifying users before creating new accounts

Login

Grant access to users in a smooth and secure way by authenticating logins

Transaction Authorization

Protect data or monetary transactions from fraudsters by adding an additional security layer

Account Management

Monitor login and changes to online accounts and other data to prevent unauthorized activities

Multiple Channels, One Connection

Pick and choose the best channels for your use cases and destinations, all available via one easy API connection. Leverage the top qualities of each channel to your benefit.

  1. Ensure reach and deliverability with SMS or Voice

  2. Increase security with WhatsApp, Viber, or RCS

  3. Reduce costs with email OTPs

Pick Your Preferred OTP Channel

sms-icon

Benefit from the worldwide reach of SMS and reach your customers everywhere

whatsapp-channel logo

WhatsApp's end-to-end encrypted messages make it a secure choice for OTPs

push messaging

Did customers adopt your native app? Use push notification from within the app

voice channel

Reach users with limited sight or who live in difficult to reach places

email channel

Email requires less personal information from customers, making it accessible

CM.com as Your OTP Provider

  1. 99,99% Up-Time of Messaging Platform
  2. Direct Global Carrier Connection
  3. Secure, ISO-Certified and Redundant
  4. 24/7 Traffic Monitoring
  5. Fast Delivery Guaranteed

Protect Yourself and Your Customers from Fraud

With cybercrime on the rise, it's more important than ever to make sure your online accounts and data are protected. Because nobody wants to see their brand name in the papers as the new security breach headline. Authenticating and monitoring logins, sign-ups, and transactions will put an additional layer of security onto your online services, giving fraudsters less chances to do harm.

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Privacy Policy<\/a>","required":true}]" form-hash="db71e587" default-country="HK" rules-url="https://www.cm.com/en-us/ajax/validation/rules/form/db71e587/" :prefilled="false" :store-in-session="false" thank-you-text="<p style="text-align: undefined; padding-left: 0px">Thanks for your request. We will reach out to you as soon as possible.<br>Want to immediately book a meeting? <br>Plan it yourself through:<br>https://outlook.office365.com/book/CMNorthAmerica@clubmessage.onmicrosoft.com/</p>" :translation="{ "almost_there": "Almost there", "block": { "privacy_policy": { "label": "I accept the {policy}", "link_policy": "Privacy Policy" } }, "block_cta_value": "Contact us now", "block_title": "Talk to us", "blog": { "accept": "I accept to receive the monthly newsletter", "email": { "label": "E-mail", "placeholder": "you@company.com" }, "subscribe_btn": "Subscribe" }, "defaults": { "address_line1": { "label": "Street + house number", "placeholder": "Street + house number" }, "address_line2": { "label": "For the attention of", "placeholder": "For the attention of" }, "bank_holder": { "label": "Bank holder name", "placeholder": "Name of the holder of the bank account" }, "bank_name": { "label": "Bank name", "placeholder": "Name of your bank" }, "bic": { "label": "Bank Identification Code (BIC)", "placeholder": "Your BIC" }, "button": "Submit", "city": { "label": "City", "placeholder": "City" }, "company_name": { "explanation": "explanation", "label": "Company", "not_listed": "My company is not listed here", "placeholder": "Company name", "search_text": "Start typing to search for your company name", "searching_text": "Searching" }, "country": { "label": "Country", "placeholder": "Country" }, "dropdown": { "placeholder": "Select option" }, "email": { "additional": "Please use your business email address", "label": "Email", "placeholder": "you@company.com" }, "email_business": { "label": "Business Email", "placeholder": "Business Email" }, "first_name": { "label": "First name", "placeholder": "First name" }, "help_message": { "label": "Message", "placeholder": "How can we help you? We will be in touch." }, "iban": { "label": "International Bank Account Number (IBAN)", "placeholder": "Your IBAN" }, "industry": { "label": "Industry", "placeholder": "Industry" }, "job_title": { "label": "Job Title", "placeholder": "Customer Service, Development, Marketing & Sales" }, "key_industry": { "label": "What industry is your company operating in?", "placeholder": "Select your companies industry" }, "key_product": { "label": "What product are you interested in?", "placeholder": "Select your product of interest" }, "last_name": { "label": "Last name", "placeholder": "Last name" }, "mobile_phone_number": { "explanation": "explanation", "label": "Mobile phone number", "placeholder": "Mobile phone number" }, "name": { "label": "Name" }, "otp": { "explanation": "explanation", "label": "One Time Password" }, "phone_number": { "label": "Phone number", "placeholder": "Phone number" }, "privacy_policy": { "label": "I accept the {policy}", "policy": "Privacy Policy" }, "product": { "label": "Select product", "no_results": "No results found.", "placeholder": "What product are you interested in?" }, "salutation": { "label": "Salutation", "placeholder": "Salutation" }, "street_address": { "label": "Street Address", "placeholder": "Street address" }, "sub_area_1": { "label": "Sub-area line 1", "placeholder": "Sub-area line 1" }, "sub_area_2": { "label": "Sub-area line 2", "placeholder": "Sub-area line 2" }, "terms": { "privacy": { "label": "I accept the {terms} and {policy}" } }, "terms_policy": { "policy": "Terms and Conditions" }, "thank-you": "<p>Thank you for subscribing!</p>", "zip_code": { "label": "Zip Code", "placeholder": "Zip code" } }, "hang_in_there": "Hang in there", "logged_in_title": "Hey {name}!", "option": { "key_industry": { "industry_charities": "Charities", "industry_financial_services": "Financial Services", "industry_government_education": "Government & Education", "industry_healthcare": "Healthcare", "industry_leisure_travel": "Leisure & Travel", "industry_logistics_transport": "Logistics & Transport", "industry_professional_services": "Professional Services", "industry_retaile_commerce": "Retail & E-commerce", "industry_technology_media": "Technology & Media", "industry_utilities_telco": "Utility & Telecommunications", "no_key_industry": "Other" }, "key_product": { "caic": "Conversational AI Cloud", "channels": "Other Channels", "halo": "HALO", "mmc": "Mobile Marketing Cloud", "msc": "Mobile Service Cloud", "other": "Other", "otp": "One Time Password", "payments": "Payments", "sign": "Sign", "sms": "SMS", "ticketing": "Ticketing", "voice": "Voice", "whatsapp": "WhatsApp" } }, "prefilled": "This form is prefilled using your CM.com profile", "preparing_account": "Preparing your account", "product": { "groups": { "communication_channels": "Communications Platform", "other_products": "Other Products", "payments": "Payments Platform", "solutions": "Software as a Service" } }, "register": { "call_otp": "Resend", "company": { "label": "Company", "placeholder": "Company name" }, "contact_support": "Contact support", "contact_support_question": "While registering on the CM.com platform I received the following error code: {error}.", "continue": "Continue", "email": { "change": "<a href=https://www.cm.com/"{url}/">change", "resend_otp": "resend", "resend_otp_text": "Didn't receive an email? Please check your spam or click 'Resend'.", "verify_description": "Hi {name},<br>Please enter the code from the mail we have sent to the following address<br><br>{email}", "verify_title": "You've Got Mail." }, "error_body": "Please try again. If you keep seeing this, click “Contact Support”, then our support team will help you.", "error_code": "Error code:", "error_title": "Unable to process your request", "has_account": "Already have an account?", "logged_in_body": "It seems you already have a CM platform account. You will be automatically redirected to the <a href=https://www.cm.com/"{redirectToUrl}/" rel=\"noopener\">{redirectTo}</a> in a few seconds.", "logged_in_body_to_app": "the {app} App", "logged_in_body_to_platform": "CM Platform", "phone": { "popover": "We will send a One Time Password to verify this mobile phone number.<br>You can change this number at any time in your CM account settings.", "resend_otp_text": "Didn’t receive the password? Click 'Resend'", "send_voice_otp": "We'll send you the password via a voice call" }, "reseller": { "thanks_body_to": "'get started' page" }, "resend_otp": "Resend", "send_otp": "Send", "sending_otp": "Sending", "sign_in": "Sign in", "thanks_body": "You have successfully created an account on CM platform. You will automatically be redirected to the <a href=https://www.cm.com/"{redirectToUrl}/" rel=\"noopener\">{redirectTo}</a> in a few seconds.", "thanks_body_to_app": "{app} App", "thanks_body_to_platform": "CM platform", "thanks_title": "Thank you", "title": "Discover the possibilities of the CM platform", "title_app": "Get started with {app}", "try_again": "Try again", "verify_description": "Enter your mobile phone number to receive your six-digit<br>One Time Password", "verify_otp": "Verify", "verify_title": "Verify mobile phone number" }, "sending": "One moment please...", "submit_failed": "Something went wrong, please try again.", "technical_issue": "We ran into an issue loading the form. Please try again" }" title="Contact Us to Get Started" url="https://www.cm.com/en-us/ajax/form/db71e587/" validation-url="https://www.cm.com/en-us/ajax/validation/form/db71e587/">

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verification-api

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Frequently Asked Questions About One Time Passwords

What Is a One Time Password?

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A One Time Password or OTP is a security code designed to be used for a single login attempt, to minimize the risk of fraudulent login attempts and maintain high security. It’s a string of characters or numbers automatically generated and sent to the user’s phone via SMS, Voice, or Push message.

The OTP has become the standard method worldwide of enabling a login when special circumstances apply, such as validating a new account or confirming a transaction is legitimate.

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How to Send One-Time Passwords?

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Providers like CM.com offer OTPs as a service, with a secure platform for receiving or initiating OTP requests, sending the OTP as a text or other channel, and verifying the OTP was entered correctly, so the transaction can go ahead.

The infrastructure for making use of one-time passwords integrates with your website or application using an API. This is how a site “knows” whether an entered OTP is correct or not, with safeguards like checking it’s within the time window.

What Are One Time Password Channels?

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There are several ways to send an OTP. Some give the option of receiving OTPs by email, although this tends to be less secure. Other providers even enable OTPs as voicemails, stating the PIN aloud when the customer checks the mailbox.

But by far the most common way to send OTPs is by Push or text messaging, typically an SMS or even WhatsApp message to the customer’s mobile phone.

Read more

How Does a One Time Password Work?

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An OTP is generated automatically as a semi-random number or string of characters. There is no way to predict what the OTP will be ahead of time. OTPs are valid for a single login session or transaction, enhancing security by reducing the risk of unauthorized access even if the password is intercepted. Once used, the OTP expires, ensuring it cannot be reused for future logins or transactions.

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