Getting Started

What is the character limit for SMS text messages?
Plivo API’s support sending SMS in all text based languages (e.g., English, French, Chinese, Arabic, etc.). Messages containing only GSM03.38 7 bit char...
How does Plivo handle delivery reports for concatenated SMS text messages?
When checking Message Logs and Delivery Reports for long SMS messages that are split, look for the ParentMessageUUID, which is the same in all split messa...
How does Plivo charge for concatenated messages?
Long SMS text messages that are over the character limit are concatenated and billed separately as individual text messages.
Does Plivo support long SMS concatenation?
Yes, Plivo API’s support concatentation. Though, some carriers and handsets do not support long SMS concatenation. When sending a long SMS, Plivo’s Mess...
Does Plivo's SMS API have Unicode support for all languages?
Plivo SMS API supports sending SMS text messages in all text based languages (e.g., English, French, Chinese, Arabic, etc.). All of Plivo Helper Libraries...
What's the outgoing rate limit for SMS?
Carrier regulations specify a limit of 1 SMS per second per long code (two-way SMS phone number). For information regarding sending SMS at a higher capaci...
What happens to my SMS message after I send it?
There are three distinct stages an outbound message sent via API will go through: 1. Queued Plivo accepted the message from a user and will make an at...
How many characters can I put in a single SMS?
A standard SMS contains at most 160 characters. However, most mobile handsets support displaying longer messages. Plivo’s API allows sending long SMSes to...
How is my incoming message delivered to my application?
There are two distinct stages an inbound message will go through: 1. Received Plivo will receive an inbound message from a carrier. The user will be c...
How can I receive SMS messages with my Plivo numbers?
Prerequisites Sign up for a free Plivo trial account OR Log in to your Plivo account.  Check out our Helper Library page and install the right helper bas...