Chat with next-gen assistant

  • Published on Feb 11, 2026
  • 2 minute(s) read
  • Roni Feldsher
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/chats/v2

Chat with next-gen assistant

Security
API Key: Bearer
Header parameter nameAuthorization

Enter the token with the Bearer: prefix, e.g. "Bearer abcde12345".

Header parameters
unleash-account

Email address of the user to impersonate. This header allows the caller to perform actions on behalf of the specified user.

Body parameters
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object
messages
Array of object (ChatMessageRequest) Required
Min items1
object
text
string | null
role
string
Valid values[ "User", "System", "Assistant" ]
assistantId
string | null
threadId
string | null
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object
messages
Array of object (ChatMessageRequest) Required
Min items1
object
text
string | null
role
string
Valid values[ "User", "System", "Assistant" ]
assistantId
string | null
threadId
string | null
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object
messages
Array of object (ChatMessageRequest) Required
Min items1
object
text
string | null
role
string
Valid values[ "User", "System", "Assistant" ]
assistantId
string | null
threadId
string | null
Responses
200

Success

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object
text
string | null
toolCalls
Array of object (ToolCall) | null
object
id
string
name
string
type
string
callId
string
arguments
string
reference
object (ReferenceChatv2)
referenceIds
Array of string | null
string
position
integer
sources
object (Sources)
sourcesIds
Array of string | null
string
tool
object (Tool)
toolCallStatus
object (ToolCallStatus)
toolCallId
string
status
string
Valid values[ "Start", "End", "Failed" ]
toolStep
object (ToolStep)
stepDescription
string
toolId
string
response
object (ToolResponse)
name
string
toolId
string
resources
object (ToolResources)
enterprise
object (EnterpriseToolResources)
results
Array of object (Resource) | null
object
id
string | null
appId
string | null
type
string | null
externalId
string | null
name
string | null
data
object | null
property*
title
string | null
subtitle
string | null
url
string | null
webSearch
object (WebSearchToolResources)
sources
Array of object (WebSource) | null
object
id
string
url
string
icon
string
title
string
siteName
string
description
string
custom
object (CustomToolResources)
property*
requestId
string | null
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object
text
string | null
toolCalls
Array of object (ToolCall) | null
object
id
string
name
string
type
string
callId
string
arguments
string
reference
object (ReferenceChatv2)
referenceIds
Array of string | null
string
position
integer
sources
object (Sources)
sourcesIds
Array of string | null
string
tool
object (Tool)
toolCallStatus
object (ToolCallStatus)
toolCallId
string
status
string
Valid values[ "Start", "End", "Failed" ]
toolStep
object (ToolStep)
stepDescription
string
toolId
string
response
object (ToolResponse)
name
string
toolId
string
resources
object (ToolResources)
enterprise
object (EnterpriseToolResources)
results
Array of object (Resource) | null
object
id
string | null
appId
string | null
type
string | null
externalId
string | null
name
string | null
data
object | null
property*
title
string | null
subtitle
string | null
url
string | null
webSearch
object (WebSearchToolResources)
sources
Array of object (WebSource) | null
object
id
string
url
string
icon
string
title
string
siteName
string
description
string
custom
object (CustomToolResources)
property*
requestId
string | null
400

Bad Request

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object
type
string | null
title
string | null
status
integer (int32) | null
detail
string | null
instance
string | null
errors
object | null
property*
Array of string additionalProperties
string
property*
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object
type
string | null
title
string | null
status
integer (int32) | null
detail
string | null
instance
string | null
errors
object | null
property*
Array of string additionalProperties
string
property*
Expand All
object
type
string | null
title
string | null
status
integer (int32) | null
detail
string | null
instance
string | null
errors
object | null
property*
Array of string additionalProperties
string
property*