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Table of Contents

SMS Overview

JQ Lee Updated by JQ Lee

Short Messaging Service (SMS) is a text-based way of communicating that has been around for a decade or more. If you would like to use the respond.io platform for SMS messaging, you will need to create an account with one of our partners.

Once you have created an account and provisioned a phone number, you may connect it to the respond.io platform and interact with your contacts through SMS messages just like any other channel.

Supporting Partners

If you wish to connect SMS to the respond.io platform, please consider the following partners:

If you are interested in using a partner that is not listed here, please request a new channel integration on the respond.io Feature Request board!

Channel Capabilities

The channel capabilities of SMS supporting partners are listed below:

Message Status Availability

The message status availability for different SMS channels is shown in the table below:

SMS Channel

Sent

Delivered

Read

Failed

Twilio

MessageBird

Vonage

Supported File Types

The file types supported by different SMS channels and the maximum file size for each file type are shown in the table below:

SMS Channel

Image Size Limit (MBs)

Audio Size Limit (MBs)

Video Size Limit (MBs)

Twilio

5

0.5

0.5

MessageBird

1

1

1

Vonage

2

-

-

Metadata Received by Channel

Different channels provide different sets of Contact's metadata to the respond.io platform. The list of Contact's data you’ll be able to obtain from different SMS channels is shown in the table below:

SMS Channel

Metadata Received by Channel

Twilio

Phone number, City, State, Postal code, Country

MessageBird

Phone number

Vonage

Phone number

Broadcasts

Respond.io’s supporting SMS partner channels have no restrictions on the content or number of messages businesses can send in a broadcast. Broadcast messages will be charged at the usual per-message rate.

Rate Limits

A rate limit is the number of API calls an app or user can make within a given time period defined by the channel. Learn more about the rate limits of SMS channels below:

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