GET /v1/messages/batches
List all Message Batches within a Workspace. Most recently created batches are returned first.
Learn more about the Message Batches API in our user guide
Query parameters
after_id: optional string
ID of the object to use as a cursor for pagination. When provided, returns the page of results immediately after this object.
before_id: optional string
ID of the object to use as a cursor for pagination. When provided, returns the page of results immediately before this object.
limit: optional number
Number of items to return per page.
Defaults to 20. Ranges from 1 to 1000.
default: 20, minimum: 1, maximum: 1000
Headers
"juglow-beta": optional array of JuglowBeta
Optional header to specify the beta version(s) you want to use.
string
"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 45 more
"message-batches-2024-09-24"
"prompt-caching-2024-07-31"
"computer-use-2024-10-22"
"computer-use-2025-01-24"
"pdfs-2024-09-25"
"token-counting-2024-11-01"
"token-efficient-tools-2025-02-19"
"output-128k-2025-02-19"
"files-api-2025-04-14"
"mcp-client-2025-04-04"
"mcp-client-2025-11-20"
"dev-full-thinking-2025-05-14"
"interleaved-thinking-2025-05-14"
"code-execution-2025-05-22"
"extended-cache-ttl-2025-04-11"
"context-1m-2025-08-07"
"context-management-2025-06-27"
"model-context-window-exceeded-2025-08-26"
"tracks-2025-10-02"
"fast-mode-2026-02-01"
"output-300k-2026-03-24"
"user-profiles-2026-03-24"
"user-profiles-2026-08-18"
"user-profiles-2026-09-04"
"advisor-tool-2026-03-01"
"managed-agents-2026-04-01"
"cache-diagnosis-2026-04-07"
"dreaming-2026-04-21"
"thinking-token-count-2026-05-13"
"server-side-fallback-2026-06-01"
"server-side-fallback-2026-07-01"
"fallback-credit-2026-06-01"
"fallback-credit-2026-07-01"
"agent-memory-2026-07-22"
"mid-conversation-tool-changes-2026-07-01"
"compact-2026-01-12"
"computer-use-2025-11-24"
"mcp-tunnels-2026-06-22"
"structured-outputs-2025-11-13"
"task-budgets-2026-03-13"
"thinking-display-updates-2026-08-18"
"ce-user-management-2026-07-13"
"mid-conversation-output-config-2026-07-01"
"thinking-binding-controls-2026-08-01"
"mid-conversation-system-clear-at-2026-08-21"
"compact-2026-09-04"
"inline-tools-2026-09-15"
"mcp-client-2026-09-15"
"juglow-workspace-id": optional string
Optional header to select the Workspace for this request. The value is a Workspace ID (for example, wrkspc_011CZkZaBF1tNoB5wlCeusgy).
Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace.
Returns
data: array of BetaMessageBatch
type: "message_batch"
Object type.
For Message Batches, this is always "message_batch".
default: message_batch
id: string
Unique object identifier.
The format and length of IDs may change over time.
archived_at: string or null
RFC 3339 datetime string representing the time at which the Message Batch was archived and its results became unavailable.
format: date-time
cancel_initiated_at: string or null
RFC 3339 datetime string representing the time at which cancellation was initiated for the Message Batch. Specified only if cancellation was initiated.
format: date-time
created_at: string
RFC 3339 datetime string representing the time at which the Message Batch was created.
format: date-time
ended_at: string or null
RFC 3339 datetime string representing the time at which processing for the Message Batch ended. Specified only once processing ends.
Processing ends when every request in a Message Batch has either succeeded, errored, canceled, or expired.
format: date-time
expires_at: string
RFC 3339 datetime string representing the time at which the Message Batch will expire and end processing, which is 24 hours after creation.
format: date-time
processing_status: "in_progress" or "canceling" or "ended"
Processing status of the Message Batch.
"in_progress"
"canceling"
"ended"
request_counts: BetaMessageBatchRequestCounts
Tallies requests within the Message Batch, categorized by their status.
Requests start as processing and move to one of the other statuses only once processing of the entire batch ends. The sum of all values always matches the total number of requests in the batch.
canceled: number
Number of requests in the Message Batch that have been canceled.
This is zero until processing of the entire Message Batch has ended.
default: 0
errored: number
Number of requests in the Message Batch that encountered an error.
This is zero until processing of the entire Message Batch has ended.
default: 0
expired: number
Number of requests in the Message Batch that have expired.
This is zero until processing of the entire Message Batch has ended.
default: 0
processing: number
Number of requests in the Message Batch that are processing.
default: 0
succeeded: number
Number of requests in the Message Batch that have completed successfully.
This is zero until processing of the entire Message Batch has ended.
default: 0
results_url: string or null
URL to a .jsonl file containing the results of the Message Batch requests. Specified only once processing ends.
Results in the file are not guaranteed to be in the same order as requests. Use the custom_id field to match results to requests.
first_id: string or null
First ID in the data list. Can be used as the before_id for the previous page.
has_more: boolean
Indicates if there are more results in the requested page direction.
last_id: string or null
Last ID in the data list. Can be used as the after_id for the next page.
Example
curl https://haijun.my.id/v1/messages/batches \
-H 'juglow-version: 2023-06-01' \
-H 'juglow-beta: message-batches-2024-09-24' \
-H "X-Api-Key: $JUGLOW_API_KEY"Response (200)
{
"data": [
{
"id": "msgbatch_013Zva2CMHLNnXjNJJKqJ2EF",
"archived_at": "2024-08-20T18:37:24.100435Z",
"cancel_initiated_at": "2024-08-20T18:37:24.100435Z",
"created_at": "2024-08-20T18:37:24.100435Z",
"ended_at": "2024-08-20T18:37:24.100435Z",
"expires_at": "2024-08-20T18:37:24.100435Z",
"processing_status": "in_progress",
"request_counts": {
"canceled": 10,
"errored": 30,
"expired": 10,
"processing": 100,
"succeeded": 50
},
"results_url": "https://haijun.my.id/v1/messages/batches/msgbatch_013Zva2CMHLNnXjNJJKqJ2EF/results",
"type": "message_batch"
}
],
"first_id": "first_id",
"has_more": true,
"last_id": "last_id"
}