• Generating an Auth token
• Get your Channel Unique Name
• Form your message as a JSON structure

1. https://accounts.zoho.com/apiauthtoken/create?SCOPE=ZohoCliq/InternalAPI

Send message to a channel by using  the Channel Unique Name 

 How to get a Channel's Unique Name?

• Hover over any channel name from Cliq's left pane. 

• This'll open the channel's preview. Select the 'More info' icon in the channel preview.

• Navigate to 'Connectors'

• You'll find the Channel Unique Name highlighted in the API Endpoint URL of the channel. 

Now, to send this JSON by making a standard POST request 

1. curl -X POST -H "Content-type: application/json" -H "Authorization:Zoho-authtoken <authtoken>" https://cliq.zoho.com/api/v2/channelsbyname/<channel_unique_name>/message -d '{"text":"How to post a simple message to a Cliq Channel?"}'

Sample POST request using cURL:

1. curl -X POST -H "Content-type: application/json" -H "Authorization:Zoho-authtoken abaijd9ie3n9udnuxc92" https://cliq.zoho.com/api/v2/channelsbyname/market-stats/message -d '{"text":"How to post a simple message to a Cliq Channel?"}'

1. wget --post-data="{'text':'How to post a simple message to a Cliq Channel?'}" --header="Content-type:application/json" --header="Authorization:Zoho-authtoken abaijd9ie3n9udnuxc92" https://cliq.zoho.com/api/v2/channelsbyname/market-stats/message

1. Invoke-RestMethod -Uri https://cliq.zoho.com/api/v2/channelsbyname/market-stats/message -Method Post -Headers @{"Authorization" = "Zoho-authtoken abaijd9ie3n9udnuxc92"} -ContentType 'application/json' -Body '{"text" : "How to post a simple message to a Cliq Channel?'"}'

Go on and try posting a message in a channel! After all, its simple.