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GET
Python (SDK)

Authorizations

Authorization
string
header
required

Gateway auth: send Authorization: Bearer <mka1-api-key>. For multi-user server-side integrations, you can also send X-On-Behalf-Of: <external-user-id>.

Headers

X-On-Behalf-Of
string

Optional external end-user identifier forwarded by the API gateway.

Path Parameters

conversation_id
string
required

The ID of the conversation

Query Parameters

after
string

Item ID to list items after (pagination cursor)

Example:

"item_abc123"

include
string[]

Additional fields to include (TODO: not implemented yet)

Example:
limit
integer
default:20

Max number of items to return (1-100, default 20)

Required range: 1 <= x <= 100
Example:

50

order
enum<string>
default:asc

The order to return the input items in. Default is asc.

Available options:
asc,
desc
Example:

"desc"

Response

200 - application/json

OK

data
(Input message item · object | Output message item · object | Output audio item · object | File search call item · object | Computer call item · object | Computer call output item · object | Web search call item · object | Function call item · object | Function call output item · object | Reasoning item · object | Image generation call item · object | Code interpreter call item · object | Local shell call item · object | Local shell call output item · object | Shell call item · object | Shell call output item · object | MCP list tools item · object | MCP approval request item · object | MCP approval response item · object | MCP call item · object | Custom tool call item · object | Custom tool call output item · object | Item reference item · object | Compaction item · object)[]
required

A list of conversation items.

Input message item: A message with role and content. Use this for user, assistant, system, or developer turns in structured inputs.

has_more
boolean
required

Whether there are more items

last_id
string
required

ID of the last item in the current page

object
any