# Post messages in ticket's conversations with Sendbird Desk API

**URL:** <https://community.sendbird.com/t/post-messages-in-tickets-conversations-with-sendbird-desk-api/7779>\
**Category:** API\
**Created:** [July 6, 2023, 2:43pm UTC](https://community.sendbird.com/t/post-messages-in-tickets-conversations-with-sendbird-desk-api/7779 "2023-07-06T14:43:50Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Diogo\_Goncalves](https://sea2.discourse-cdn.com/flex020/user_avatar/community.sendbird.com/diogo_goncalves/32/4257_2.png) [@Diogo\_Goncalves](https://community.sendbird.com/u/Diogo_Goncalves)\
**Post date:** [July 6, 2023, 2:43pm UTC](https://community.sendbird.com/t/post-messages-in-tickets-conversations-with-sendbird-desk-api/7779/1 "2023-07-06T14:43:50Z")

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Hi! I would like to know if is there any Sendbird Desk API endpoint to post messages in conversations between agents and customers in Desk tickets.  
I know that I can list all messages using `GET https://desk-api {application_id}.sendbird.com/platform/v1/chat_messages` but I’m not finding any `POST` method available.

Thanks in advance.

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**Author:** ![Ian](https://sea2.discourse-cdn.com/flex020/user_avatar/community.sendbird.com/ian/32/2077_2.png) [@Ian](https://community.sendbird.com/u/Ian)\
**Post date:** [July 7, 2023, 7:28pm UTC](https://community.sendbird.com/t/post-messages-in-tickets-conversations-with-sendbird-desk-api/7779/2 "2023-07-07T19:28:07Z")

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Hi @Diogo_Goncalves, I am cross-posting the response from our support case here.

You can post messages to the ticket’s chat channel by using the Chat service platform API. You will need to find the ticket’s channel URL, which can be found by viewing the ticket: [Ticket | Desk Platform API | Sendbird Docs](https://docs.sendbird.com/docs/desk/v1/platform-api/guides/ticket#2-view-a-ticket)

After you find the channel URL, you will send the message as you usually would using the Chat service platform API: [Send a message | Chat Platform API | Sendbird Docs](https://docs.sendbird.com/docs/chat/v3/platform-api/message/messaging-basics/send-a-message#1-send-a-message)

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**Author:** ![chandu.aki](https://avatars.discourse-cdn.com/v4/letter/c/a5b964/32.png) [@chandu.aki](https://community.sendbird.com/u/chandu.aki)\
**Post date:** [September 12, 2025, 6:27am UTC](https://community.sendbird.com/t/post-messages-in-tickets-conversations-with-sendbird-desk-api/7779/3 "2025-09-12T06:27:46Z")

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I have tried like mentioned in the document still facing the same issue

able to see  
User customer\_123 already exists.  
Customer customer\_123 exists.  
Found existing common channel: sendbird\_group\_channel\_242228728\_9618bb5a96c33f6a7b372e5185546c8fdec7d070  
Ticket created with ID 1724817  
Sent message from customer\_123: “Hello everyone, I need assistance.”  
Last 5 messages in channel sendbird\_group\_channel\_242228728\_9618bb5a96c33f6a7b372e5185546c8fdec7d070:  
customer\_123: Hello! This is the user sending a message. (msg\_id: 2659149590)  
customer\_123: Hello everyone, I need assistance. (msg\_id: 2659198152)  
customer\_123: Hello everyone, I need assistance. (msg\_id: 2659215174)  
customer\_123: Hello everyone, I need assistance. (msg\_id: 2659225971)  
customer\_123: Hello everyone, I need assistance. (msg\_id: 2659234100)  
User customer\_123 replied to message 2659149590 with “Thanks for your help!”  
Last 6 messages in channel sendbird\_group\_channel\_242228728\_9618bb5a96c33f6a7b372e5185546c8fdec7d070:  
customer\_123: Hello! This is the user sending a message. (msg\_id: 2659149590)  
customer\_123: Hello everyone, I need assistance. (msg\_id: 2659198152)  
customer\_123: Hello everyone, I need assistance. (msg\_id: 2659215174)  
customer\_123: Hello everyone, I need assistance. (msg\_id: 2659225971)  
customer\_123: Hello everyone, I need assistance. (msg\_id: 2659234100)  
[Reply to 2659149590] customer\_123: Thanks for your help! (msg\_id: 2659234119)

But in the Tickets UI → nothing is showing

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**Author:** ![Ian](https://sea2.discourse-cdn.com/flex020/user_avatar/community.sendbird.com/ian/32/2077_2.png) [@Ian](https://community.sendbird.com/u/Ian)\
**Post date:** [September 15, 2025, 8:47pm UTC](https://community.sendbird.com/t/post-messages-in-tickets-conversations-with-sendbird-desk-api/7779/4 "2025-09-15T20:47:24Z")

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Hi @chandu.aki,

When a Sendbird Desk ticket is created, a new channel is created as well. You would need to utilize the channel URL that is on the ticket resource in order for the messages to appear in the Tickets section of the Sendbird Dashboard.