Create Chat

Creates a new chat from a prompt. The request blocks until the model response is complete and returns the chat.

POST/v2/chats

Usage

TypeScript Example

import { v0 } from 'v0'const result = await v0.chats.create({  message: 'Hello, world!',})console.log(result)

API Signature

Request

Request Body

message: string

The prompt or instruction to send to the model.

systemPrompt?: string

System-level context for the chat, such as frameworks or development environment details.

modelConfiguration?: object

Overrides for the model behavior.

modelId: 'v0-auto' | 'v0-mini' | 'v0-pro' | 'v0-max' | 'v0-max-fast'

Model to use for the generation.

imageGenerations: boolean

Enables image generations to generate up to 5 images per version.

attachments?: object[]

Files or assets to include with the message.

url: string

URL of the attachment.

mcpServerIds?: string[]

MCP server IDs to enable. When omitted, uses default enabled servers.

skillIds?: string[]

Skill IDs (from skills.sh) to attach. Skills provide domain-specific knowledge to the AI. Maximum 3.

privacy?: 'public' | 'private' | 'team' | 'team-edit' | 'unlisted'

Visibility setting for the new chat.

title?: string

Title for the new chat.

metadata?: Record<string, string>

Arbitrary key-value data to attach to the chat.

Response

chat: object

id: string

Unique chat identifier.

title?: string

Chat title, if generated.

privacy: 'public' | 'private' | 'team' | 'team-edit' | 'unlisted'

Visibility setting of the chat.

createdAt: string

ISO timestamp of when the chat was created.

updatedAt?: string

ISO timestamp of when the chat was last updated.

authorId: string

ID of the user who created the chat.

vercelProjectId?: string

Associated Vercel project ID, if any.

metadata: Record<string, string>

User-defined key-value metadata.

writePermission: boolean

Whether the caller has write access to this chat.

usage: object

Token usage and credit cost for prompt.

tokens: object

Token counts for this message.

input: number

Prompt input value (non-cached).

output: number

Completion output value.

cacheRead: number

Cache-read input value.

cacheWrite: number

Cache-write input value.

total: number

Sum of input, output, cacheRead, and cacheWrite.

creditsCost: object

Credit cost for this message.