# List API volume summary records

Returns volume summary of [API](https://docs.zuora.com?resourceId=platform-rest-api) usage that generated by your Zuora tenant within a specified time range.
You can filter the summary by API path name and http method.

Endpoint: GET /system-health/api-requests/volume-summary
Version: 2026-11-06
Security: bearerAuth

## Security:

  - `bearerAuth` (unknown)
    http bearer

## Query parameters:

  - `path` (string)
    Filters the volume summary by API path name.
You can refer to the api listed in the [API System Health Dashboard](https://docs.zuora.com?resourceId=platform-apis-dashboard) for the path name. Example: `/v1/accounts/{account-key}`.

  - `httpMethod` (string)
    Filters the volume summary by http method. Example: `POST`.

  - `startTime` (string, required)
    Start time of the volume summary.
Format: `yyyy-MM-dd'T'HH:mmZ` Example: `2022-09-22T09:07+0800`.

  - `endTime` (string, required)
    End time of the volume summary.
Format: `yyyy-MM-dd'T'HH:mmZ` Example: `2022-09-29T09:07+0800`.

## Header parameters:

  - `Accept-Encoding` (string)
    Include the `Accept-Encoding: gzip` header to compress responses as a gzipped file. It can significantly reduce the bandwidth required for a response.
If specified, Zuora automatically compresses responses that contain over 1000 bytes of data, and the response contains a `Content-Encoding` header with the compression algorithm so that your client can decompress it.

  - `Content-Encoding` (string)
    Include the `Content-Encoding: gzip` header to compress a request. With this header specified, you should upload a gzipped file for the request payload instead of sending the JSON payload.

  - `Zuora-Entity-Ids` (string)
    An entity ID. If you have [Zuora Multi-entity](https://docs.zuora.com?resourceId=platform-multi-entity-overview) enabled and the OAuth token is valid for more than one entity, you must use this header to specify which entity to perform the operation in. If the OAuth token is only valid for a single entity, or you do not have Zuora Multi-entity enabled, you should not set this header.

  - `Zuora-Org-Ids` (string)
    Comma separated IDs. If you have Zuora Multi-Org enabled,
you can use this header to specify which orgs to perform the operation in. If you do not have Zuora Multi-Org enabled, you should not set this header.
The IDs must be a sub-set of the user's accessible orgs. If you specify an org that the user does not have access to, the operation fails. This header is important in Multi-Org (MO) setups because it defines the organization context under which the API should operate—mainly used for read access or data visibility filtering. If the header is not set, the operation is performed in scope of the user's accessible orgs.

  - `Zuora-Track-Id` (string)
    A custom identifier for tracing the API call. If you set a value for this header, Zuora returns the same value in the response headers. This header enables you to associate your system process identifiers with Zuora API calls, to assist with troubleshooting in the event of an issue.
The value of this field must use the US-ASCII character set and must not include any of the following characters: colon (`:`), semicolon (`;`), double quote (`"`), and quote (`'`).

## Response 200:

  - `200` (unknown)
    OK

## Response 200 fields (application/json):

  - `data` (array)
    List of API volume summary records. The records are grouped and ordered by API path name and http method.

  - `data.api` (string)
    The API path name.

  - `data.error` (integer)
    The count of failed API requests of above `api` and `httpMethod`.

  - `data.httpMethod` (string)
    The http method.

  - `data.success` (integer)
    The count of successful API requests of above `api` and `httpMethod`.

  - `data.total` (integer)
    The count of total API requests of above `api` and `httpMethod`.

## Response 200 headers (application/json):

  - `Content-Encoding` (string)
    This header is returned if you specify the `Accept-Encoding: gzip` request header and the response contains over 1000 bytes of data.
Note that only the following MIME types support gzipped responses:
- `application/json`
- `application/xml`
- `text/html`
- `text/csv`
- `text/plain`

  - `RateLimit-Limit` (string)
    The request limit quota for the time window closest to exhaustion. See [rate limits](https://developer.zuora.com/docs/guides/rate-limits/) for more information.

  - `RateLimit-Remaining` (number)
    The number of requests remaining in the time window closest to quota exhaustion. See [rate limits](https://developer.zuora.com/docs/guides/rate-limits/) for more information.

  - `RateLimit-Reset` (number)
    The number of seconds until the quota resets for the time window closest to quota exhaustion. See [rate limits](https://developer.zuora.com/docs/guides/rate-limits/) for more information.

  - `Zuora-Request-Id` (string)
    The Zuora internal identifier of the API call. You cannot control the value of this header.

  - `Zuora-Track-Id` (string)
    A custom identifier for tracing the API call. 
If you specified a tracing identifier in the request headers, Zuora returns the same tracing identifier. 
Otherwise, Zuora does not set this header.

## Response 400:

  - `400` (unknown)
    Bad Request

## Response 400 fields (application/json):

  - `error` (string)
    Error status text.

  - `message` (string)
    The associated reason.

  - `path` (string)
    The system health api path having error.

  - `status` (integer)
    Error status code.

  - `timestamp` (string)
    The time when error happens.

## Response 400 headers (application/json):

  - `Content-Encoding` (string)
    This header is returned if you specify the `Accept-Encoding: gzip` request header and the response contains over 1000 bytes of data.
Note that only the following MIME types support gzipped responses:
- `application/json`
- `application/xml`
- `text/html`
- `text/csv`
- `text/plain`

  - `RateLimit-Limit` (string)
    The request limit quota for the time window closest to exhaustion. See [rate limits](https://developer.zuora.com/docs/guides/rate-limits/) for more information.

  - `RateLimit-Remaining` (number)
    The number of requests remaining in the time window closest to quota exhaustion. See [rate limits](https://developer.zuora.com/docs/guides/rate-limits/) for more information.

  - `RateLimit-Reset` (number)
    The number of seconds until the quota resets for the time window closest to quota exhaustion. See [rate limits](https://developer.zuora.com/docs/guides/rate-limits/) for more information.

  - `Zuora-Request-Id` (string)
    The Zuora internal identifier of the API call. You cannot control the value of this header.

  - `Zuora-Track-Id` (string)
    A custom identifier for tracing the API call. 
If you specified a tracing identifier in the request headers, Zuora returns the same tracing identifier. 
Otherwise, Zuora does not set this header.

## Response 200 examples:

  - `response` (unknown)

## Response 400 examples:

  - `response` (unknown)