--- title: List AI Gateway budget instances description: List instance counters for an accounting window. breadcrumbs: Docs > API > List AI Gateway budget instances --- > For the complete documentation index, see [llms.txt](https://docs.datadoghq.com/llms.txt). # List AI Gateway budget instances ## v2 (latest) {% alert level="warning" %} **Note**: This endpoint is in Preview and is subject to change. If you have any feedback, contact [Datadog support](https://docs.datadoghq.com/help.md). {% /alert %} | Datadog site | API endpoint | | ----------------- | --------------------------------------------------------------- | | app.datadoghq.com | GET https://api.datadoghq.com/api/v2/budgets/{id}/instances | | us3.datadoghq.com | GET https://api.us3.datadoghq.com/api/v2/budgets/{id}/instances | | us5.datadoghq.com | GET https://api.us5.datadoghq.com/api/v2/budgets/{id}/instances | | app.datadoghq.eu | GET https://api.datadoghq.eu/api/v2/budgets/{id}/instances | | ap1.datadoghq.com | GET https://api.ap1.datadoghq.com/api/v2/budgets/{id}/instances | | ap2.datadoghq.com | GET https://api.ap2.datadoghq.com/api/v2/budgets/{id}/instances | | uk1.datadoghq.com | GET https://api.uk1.datadoghq.com/api/v2/budgets/{id}/instances | | app.ddog-gov.com | GET https://api.ddog-gov.com/api/v2/budgets/{id}/instances | | us2.ddog-gov.com | GET https://api.us2.ddog-gov.com/api/v2/budgets/{id}/instances | ### Overview List instance counters for an accounting window. Legacy fixed-scope budgets return one pooled row with an empty instance_key. Omit window to use the current window. Use split_dim to keep only counters that match every given dimension value. This endpoint requires the `ai_gateway_config_read` permission. OAuth apps require the `ai_gateway_config_read` authorization [scope](https://docs.datadoghq.com/api/latest/scopes.md#ai-gateway) to access this endpoint. ### Arguments #### Path Parameters | Field | Type | Description | | --------------- | ------ | ------------ | | id [*required*] | string | Budget UUID. | #### Query Strings | Field | Type | Description | | --------- | ------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | window | string | RFC3339 timestamp inside the desired accounting window. Omit to use the current window. | | split_dim | array | Keep only instance counters whose split dimension equals a value, written as `=`, such as `split_dim=user_id=&split_dim=tag:env=prod`. Dimensions use the `split_dims` names `user_id`, `team_id`, `model`, `provider`, and `tag:`. Repeat the parameter to filter on several dimensions; a counter must match all of them. Each dimension may appear once and must be a per-value dimension of the budget. | | sort | enum | Sort order for budget instance counters. Allowed enum values: `spend_desc`, `spend_asc`, `key_asc`. Default: `spend_desc`. | | limit | integer | Maximum number of budget instance counters to return. Default: `50`. | | offset | integer | Number of budget instance counters to skip. Default: `0`. | ### Response {% tabs %} {% tab label="200" %} OK {% tabs %} {% tab label="Model" %} Response containing budget instance counters. | Parent field | Field | Type | Description | | -------------------- | ------------------------------------------ | --------- | --------------------------------------------------------------------------------------------------- | | | data [*required*] | [object] | | | data | attributes [*required*] | object | One budget instance counter. | | attributes | budget_id [*required*] | uuid | Budget identifier. | | attributes | effective_capacity_microcents [*required*] | int64 | Capacity enforced for this instance, in microcents. | | attributes | instance_key [*required*] | string | Opaque canonical counter key. Empty for legacy pooled counters. | | attributes | modified_at [*required*] | date-time | Time the instance counter was last modified. | | attributes | spend_microcents [*required*] | int64 | Spend counted against this instance, in microcents. | | attributes | split_dims [*required*] | object | Dimension values decoded from instance_key. User and Team values are raw UUIDs. | | additionalProperties | | string | | | attributes | window_start [*required*] | date-time | Start of the accounting window. | | data | id [*required*] | string | Resource identifier. | | data | type [*required*] | enum | Budget instance counter resource type. Allowed enum values: `budget-instances`. | | | meta [*required*] | object | Visibility information for identifying instance details. | | meta | restricted_details [*required*] | boolean | Whether identifying rows were withheld from the returned page. Pagination uses the underlying rows. | {% /tab %} {% tab label="Example" %} ```json { "data": [ { "attributes": { "budget_id": "11111111-1111-1111-1111-111111111111", "effective_capacity_microcents": 100000000, "instance_key": "", "modified_at": "2026-10-05T12:00:00Z", "spend_microcents": 25000000, "split_dims": { "": "string" }, "window_start": "2026-10-01T00:00:00Z" }, "id": "11111111-1111-1111-1111-111111111111|2026-10-01T00:00:00Z|", "type": "budget-instances" } ], "meta": { "restricted_details": false } } ``` {% /tab %} {% /tabs %} {% /tab %} {% tab label="400" %} Bad Request {% tabs %} {% tab label="Model" %} API error response. | Field | Type | Description | | ------------------- | -------- | ----------------- | | errors [*required*] | [string] | A list of errors. | {% /tab %} {% tab label="Example" %} ```json { "errors": [ "Bad Request" ] } ``` {% /tab %} {% /tabs %} {% /tab %} {% tab label="404" %} Not Found {% tabs %} {% tab label="Model" %} API error response. | Field | Type | Description | | ------------------- | -------- | ----------------- | | errors [*required*] | [string] | A list of errors. | {% /tab %} {% tab label="Example" %} ```json { "errors": [ "Bad Request" ] } ``` {% /tab %} {% /tabs %} {% /tab %} {% tab label="429" %} Too many requests {% tabs %} {% tab label="Model" %} API error response. | Field | Type | Description | | ------------------- | -------- | ----------------- | | errors [*required*] | [string] | A list of errors. | {% /tab %} {% tab label="Example" %} ```json { "errors": [ "Bad Request" ] } ``` {% /tab %} {% /tabs %} {% /tab %} {% /tabs %} ### Code Example {% tabs %} {% tab label="Curl" %} ```bash # Path parameters export id="11111111-1111-1111-1111-111111111111" # Set your Datadog site and credentials export DD_SITE="datadoghq.com" # Or us3.datadoghq.com, us5.datadoghq.com, datadoghq.eu, ap1.datadoghq.com, ap2.datadoghq.com, uk1.datadoghq.com, ddog-gov.com, us2.ddog-gov.com # Use a Personal Access Token or Service Access Token export DD_BEARER_TOKEN="" curl -X GET "https://api.${DD_SITE}/api/v2/budgets/${id}/instances" \ -H "Accept: application/json" \ -H "Authorization: Bearer ${DD_BEARER_TOKEN}" ``` {% /tab %} {% /tabs %}