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v0 Platform API/API Reference/Chats

Get Chat Message

Retrieves detailed information about a specific message within a chat, including content, files, model configuration, and demo URLs.

GET/v1/chats/{chatId}/messages/{messageId}

Usage

TypeScript Example
import { v0 } from 'v0-sdk'

const result = await v0.chats.getMessage()

console.log(result)

API Signature

Request

Path Parameters

chatId: string

The unique identifier of the chat containing the message. Provided as a path parameter.

messageId: string

The unique identifier of the message to retrieve. Provided as a path parameter.

Response

id: string

A unique identifier for the message.

object: 'message'

Fixed value identifying this object as a message.

content: string

The main text content of the message.

experimental_content?: any[] | any[][]

The parsed content of the message as an array structure containing AST nodes. This is an experimental field that may change.

createdAt: string

The ISO timestamp representing when the message was created.

updatedAt?: string

The ISO timestamp representing when the message was last updated.

type: 'message' | 'forked-block' | 'forked-chat' | 'open-in-v0' | 'refinement' | 'added-environment-variables' | 'added-integration' | 'deleted-file' | 'moved-file' | 'renamed-file' | 'edited-file' | 'replace-src' | 'reverted-block' | 'fix-with-v0' | 'auto-fix-with-v0' | 'sync-git'

Indicates the format or category of the message, such as plain text or code.

role: 'user' | 'assistant'

Specifies whether the message was sent by the user or the assistant.

finishReason?: 'stop' | 'length' | 'content-filter' | 'tool-calls' | 'error' | 'other' | 'unknown'

The reason why the message generation finished.

apiUrl: string

API URL to access this message via the API.

authorId: stringnull

The ID of the user who sent the message.

parentId?: stringnull

The ID of the parent message.

attachments?: object[]
url: string

The URL where the attachment file can be accessed.

name?: string

The original filename of the attachment.

contentType?: string

The MIME type of the attachment file (e.g., image/png, application/pdf).

size: number

The size of the attachment file in bytes.

content?: string

The base64-encoded content of the attachment file, if available.

type?: 'screenshot' | 'figma' | 'zip'

Optional v0-specific attachment type for enhanced processing.

chatId: string

The ID of the chat to which this message belongs.

Find Chat Messages

Retrieves a list of all messages for a specific chat, ordered by creation date (newest first). Supports cursor-based pagination and includes message content, role, and type information.

Find Chat Versions

Retrieves a list of all versions (iterations) for a specific chat, ordered by creation date (newest first). Supports cursor-based pagination and includes version status and demo URLs.