LiveChatMessages: insert
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Adds a message or a poll to a live chat.
Common use cases
Request
HTTP request
POST https://www.googleapis.com/youtube/v3/liveChat/messages
Authorization
This request requires authorization with at least one of the following scopes. To read more about authentication and authorization, see Implementing OAuth 2.0 authentication.
| Scope |
|---|
https://www.googleapis.com/auth/youtube |
https://www.googleapis.com/auth/youtube.force-ssl |
Parameters
The following table lists the parameters that this query supports. All of the parameters listed are query parameters.
| Parameters |
| Required parameters |
part |
string
The part parameter serves two purposes. It identifies the properties that the write operation will set as well as the properties that the API response will include. Set the parameter value to snippet. |
Request body
Provide a liveChatMessage resource in the request body.
For that resource, you must specify values for these properties
snippet.liveChatIdsnippet.type - choose one of the following options: textMessageEvent or pollEvent- If type is
textMessageEvent, include snippet.textMessageDetails.messageText
- If type is
pollEvent, include snippet.pollDetails with the following values:
snippet.pollDetails.metadata.options.questionText- List of
snippet.pollDetails.metadata.options.optionText. You must list at least two items and no more than four items. Items are displayed sequentially in the order they're listed.
Errors
The following table identifies error messages that the API could return in response to a call to this method. For more details, see YouTube Live Streaming API - Errors.
| Error type |
Error detail |
Description |
forbidden (403) |
forbidden |
You don't have the permissions required to create the specified message. |
forbidden (403) |
liveChatDisabled |
The specified live chat has been disabled by the owner, which means messages cannot be added to the chat. |
forbidden (403) |
liveChatEnded |
The specified live chat is no longer live. |
invalidValue (400) |
messageTextInvalid |
The message text (snippet.textMessageDetails.messageText) is not valid. |
notFound (404) |
liveChatNotFound |
The live chat identified in the API request does not exist. This error occurs if the chat has been deleted by the owner. |
required (400) |
liveChatIdRequired |
The liveChatMessage resource must include and specify a value for the snippet.liveChatId property. |
required (400) |
messageTextRequired |
The liveChatMessage resource must include and specify a value for the snippet.textMessageDetails.messageText property. |
required (400) |
typeRequired |
The liveChatMessage resource must include and specify a value for the snippet.type property. Set the parameter value to text |
required (400) |
preconditionCheckFailed |
A pinned active poll already exists. |
rateLimitExceeded |
rateLimitExceeded |
The user has posted too many chat messages in a given timeframe. |
Try it!
Use the APIs Explorer to call this API and see the API request and response.
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Last updated 2025-08-28 UTC.
[null,null,["Last updated 2025-08-28 UTC."],[],[],null,["# LiveChatMessages: insert\n\nAdds a message or a poll to a live chat.\n\nCommon use cases\n----------------\n\nThe list below shows common use cases for this method. Hover over a use case to see its description, or click on a use case to load sample parameter values in the APIs Explorer. You can open the [fullscreen APIs Explorer](#) to see code samples that dynamically update to reflect the parameter values entered in the Explorer.\n\nThe table below shows common use cases for this method. You can click on a use case name to load sample parameter values in the APIs Explorer. Or you can see code samples for a use case in the fullscreen APIs Explorer by clicking on the code icon below a use case name. In the fullscreen UI, you can update parameter and property values and the code samples will dynamically update to reflect the values you enter. \nThis method has one common use case, which is described below. The buttons below the description populate the APIs Explorer with sample values or open the fullscreen APIs Explorer to show code samples that use those values. The code samples also dynamically update if you change the values.\n\n\u003cbr /\u003e\n\nRequest\n-------\n\n### HTTP request\n\n```\nPOST https://www.googleapis.com/youtube/v3/liveChat/messages\n```\n\n### Authorization\n\nThis request requires authorization with at least one of the following scopes. To read more about authentication and authorization, see [Implementing OAuth 2.0 authentication](/youtube/v3/live/authentication).\n\n| Scope |\n|-----------------------------------------------------|\n| `https://www.googleapis.com/auth/youtube` |\n| `https://www.googleapis.com/auth/youtube.force-ssl` |\n\n### Parameters\n\nThe following table lists the parameters that this query supports. All of the parameters listed are query parameters.\n\n| Parameters ||\n|--------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---|\n| **Required parameters** |||\n| `part` | `string` The **part** parameter serves two purposes. It identifies the properties that the write operation will set as well as the properties that the API response will include. Set the parameter value to `snippet`. |\n\n### Request body\n\nProvide a [liveChatMessage resource](/youtube/v3/live/docs/liveChatMessages#resource) in the request body.\nFor that resource, you must specify values for these properties\n\n- `snippet.liveChatId`\n- `snippet.type` - choose one of the following options: `textMessageEvent` or `pollEvent`\n- If type is `textMessageEvent`, include `snippet.textMessageDetails.messageText`\n- If type is `pollEvent`, include `snippet.pollDetails` with the following values:\n - `snippet.pollDetails.metadata.options.questionText`\n - List of `snippet.pollDetails.metadata.options.optionText`. You must list at least two items and no more than four items. Items are displayed sequentially in the order they're listed.\n\nResponse\n--------\n\nIf successful, this method returns a [liveChatMessage resource](/youtube/v3/live/docs/liveChatMessages#resource) in the response body.\n\nErrors\n------\n\nThe following table identifies error messages that the API could return in response to a call to this method. For more details, see [YouTube Live Streaming API - Errors](/youtube/v3/live/docs/errors).\n\n| Error type | Error detail | Description |\n|----------------------|---------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `forbidden (403)` | `forbidden` | You don't have the permissions required to create the specified message. |\n| `forbidden (403)` | `liveChatDisabled` | The specified live chat has been disabled by the owner, which means messages cannot be added to the chat. |\n| `forbidden (403)` | `liveChatEnded` | The specified live chat is no longer live. |\n| `invalidValue (400)` | `messageTextInvalid` | The message text (`snippet.textMessageDetails.messageText`) is not valid. |\n| `notFound (404)` | `liveChatNotFound` | The live chat identified in the API request does not exist. This error occurs if the chat has been deleted by the owner. |\n| `required (400)` | `liveChatIdRequired` | The [liveChatMessage resource](/youtube/v3/live/docs/liveChatMessages#resource) must include and specify a value for the `snippet.liveChatId` property. |\n| `required (400)` | `messageTextRequired` | The [liveChatMessage resource](/youtube/v3/live/docs/liveChatMessages#resource) must include and specify a value for the `snippet.textMessageDetails.messageText` property. |\n| `required (400)` | `typeRequired` | The [liveChatMessage resource](/youtube/v3/live/docs/liveChatMessages#resource) must include and specify a value for the `snippet.type` property. Set the parameter value to `text` |\n| `required (400)` | `preconditionCheckFailed` | A pinned active poll already exists. |\n| `rateLimitExceeded` | `rateLimitExceeded` | The user has posted too many chat messages in a given timeframe. |\n\nTry it!\n-------\n\nUse the APIs Explorer to call this API and see the API request and response."]]
