What two-factor authentication means
Two-factor authentication asks for something you know and something you have. A code by SMS is the most widely used second factor because it works on every phone without an app.
SMS glossary
Two-factor authentication
A second proof of identity at login. Two-factor authentication asks for something you know and something you have. A code by SMS is the most widely used second factor because it works on every phone without an app.
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- SMS glossary
- Two-factor authentication
- Plain English
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Why it matters when you send
A second proof of identity at login. Understanding it changes what a campaign costs, how fast it arrives or how much of it you can prove afterwards, which is why it turns up in almost every conversation about business messaging.
Where you see it in eXerio
The platform shows this on screen while you work rather than hiding it in a report. Segments, sender names, costs and statuses are all visible before and after a send.
Getting started
Create your account with email and password. No KYC and no approval queue. Add credits, paste your numbers, choose your Sender ID and send in minutes.
FAQ
What is two-factor authentication?
A second proof of identity at login. Two-factor authentication asks for something you know and something you have. A code by SMS is the most widely used second factor because it works on every phone without an app.
Do I need to think about two-factor authentication to send?
No. Support sets your account up and the platform handles the detail for you. It is useful to know when you start planning larger sends.
How do I get an account?
Create your account with email and password. No KYC and no approval queue. Add credits, paste your numbers, choose your Sender ID and send in minutes.
Related pages
SMS segmentThe billing unit of a text message.Sender IDThe name or number shown as the sender.Alphanumeric sender IDA sender name made of letters.Delivery reportThe status that comes back per message.A2P messagingMessages sent by an application to a person.One time passwordA short code used once to verify someone.GSM-7 alphabetThe standard character set for text messages.UCS-2 encodingThe encoding used for emoji and non latin text.Escape characterA character that counts twice.ThroughputHow many messages go out per second.Opt-inThe recipient's permission to be messaged.Opt-outThe recipient's request to stop.Short codeA short number used for high volume messaging.Long numberA standard phone number used for sending.Two-way SMSMessaging where the recipient can answer.Bulk SMSOne message sent to a whole list.Transactional SMSA message triggered by something the customer did.Promotional SMSA message that sells something.Flash SMSA message shown directly on screen.Concatenated SMSA long message joined into one.Delivery rateThe share of messages confirmed delivered.LatencyThe time between sending and arrival.API keyThe credential your system sends with.WebhookA status pushed to your system.Rate limitA ceiling on requests per second.Per segment pricingPaying for each part of a message.Prepaid balanceCredit held on the account before sending.Balance reservationMoney held while a send runs.Number formattingTurning local numbers into international ones.DeduplicationRemoving repeated numbers from a list.Suppression listNumbers that must never be messaged.Sender registrationPre-approving a sender name, which eXerio never requires.Message templateA reusable message with placeholders.Scheduled sendingQueuing a send for later.Quiet hoursTimes when marketing should not be sent.Failed statusA message that did not arrive.
Start sending today
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