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Request parameters

SMS messages are sent by making HTTP or HTTPS calls to the API. You can loop through your list of mobile numbers and make HTTPS requests to send SMS messages to them.

The REST API supports the following SMS features:

Parameter
Description

content

Content of the message

to

Number to deliver the message to (number must start with ‘+’)

from

The two-way number that will be used for message delivery

binary

Message body (content) delivered by client needs to be in binary format

clientMessageId

Value received from client system

scheduledDeliveryTime

Schedule your message to be delivered at a specified time in format: yyyy-MM-ddTHH:mm:ss+0200 (with +0200 representing the time zone). Example: “scheduledDeliveryTime”:”2017-02-27T14:30:00+0200″

userDataHeader

UDH (user data header) content of a message

validityPeriod

Our system will attempt to resubmit unsuccessful messages for the duration of the validity period. The request will be canceled if it has not been successfully processed once the validity period is exceeded. The default period is 1440 minutes (1 day).

charset

ASCII, UCS2-BE, UTF-8, Windows-1252. If you do not specify the charset, it will be treated as UTF-8 by default.

 

Channels

Find the most up-to-date information about the channels available to communicate with your clients.

SDKs

Documentation
SMS

Enable any application, website or system to facilitate local or international one- or two-way SMS communication via an easy one-step integration with our HTTP API.

Documentation
One API

Communicate with your mobile customers via multiple communication channels with a single integration. You can send and receive messages on both WhatsApp and SMS without the overhead of programming individual channels.

Documentation
WhatsApp

As an authorized WhatsApp Business Solution Provider, we assist you in applying for a WhatsApp Business account and number. Integrate with other powerful features available on our platform via our One API.

Documentation

Products

Find the most up-to-date information about the products we offer and how to elevate your engagement with customers.

Chat 2 Pay

Send payment requests to customers via chat for secure, contactless payment experiences.

Documentation
Chat Desk

An easy-to-use web-based application that enables real-time communication with your customers via a single web interface.

Documentation
Chat Flow

A web-based application that allows you to quickly and collaboratively design and deploy conversational experiences across multiple chat applications and connect it to your organization's core functional APIs.

Documentation
Campaign Manager

An online tool that allows you to create a custom SMS campaign within minutes - no coding or developers required.

Documentation

Marketplace

Find the most up-to-date information about Clickatell's Marketplace and how you can utilize it for the distribution and payment acceptance of digital products.

Bank Interfaces API

An explanation of the way Clickatell and banks interact with one another when dealing with purchases. 

Documentation
Transact Result API

Initiates the delivery of the transaction result for a purchase that was made through Clickatell after Clickatell facilitated the dispensing of the product.

Documentation
Reserve and Transact API

Initiates a purchase and fund reservation request to Clickatell.

Documentation
Security Service API

Request authentication tokens to use in all other Clickatell API calls.

Documentation
Transact

A cloud-based platform that allows for the distribution and payment acceptance of multiple digital products.

Documentation
Product Lookup API

Confirm a product's configuration and attributes.

Documentation
In-Flight Transaction Check API

Used prior to a purchase instruction to confirm that no similar transaction is in progress.

Documentation
User Transaction Lookup API

Identify if a new transaction is similar to one of the user's recent transactions so the response details can be used to pre-emptively complete the current transaction details.

Documentation
Customer Account Validation API

Validate a customer's bill payment account number prior to submitting the bill payment purchase request to the vendor.

Documentation
MNO Lookup API

Derive the specific mobile network operator (MNO) for the specified MSISDN.

Documentation
Token Lookup API

Look up tokens/vouchers to present back to the buyer/customer who purchased token-related products via Clickatell's platform.

Documentation
Notifications API

Send notifications to buyer/recipient using different channels.

Documentation
Transaction Lookup API

Used after a purchase to confirm the transaction status.

Documentation
Financial Terms Lookup API

Display the correct fee and settlement amounts as per the contractual agreement for the SKU being purchased.

Documentation
Transact API

Initiates a purchase request to Clickatell.

Documentation

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