---
title: List all diagnostic signatures for a build
framework: appstoreconnectapi
role: symbol
role_heading: Web Service Endpoint
path: appstoreconnectapi/get-v1-builds-_id_-diagnosticsignatures
---

# List all diagnostic signatures for a build

List the aggregate backtrace signatures captured for a specific build.

## URL

GET https://api.appstoreconnect.apple.com/v1/builds/{id}/diagnosticSignatures

## Path Parameters

id: The resource ID that uniquely identifies the build to return metrics data for. Obtain the build resource ID from the List builds response.

## Query Parameters

fields[diagnosticSignatures]: Fields to return for diagnostic signatures. filter[diagnosticType]: The diagnostic types by which to filter. limit: Number of resources to return.

## Response Codes

200 OK: 400 Bad Request: An error occurred with your request. 401 Unauthorized: 403 Forbidden: Request not authorized. 404 Not Found: Resource not found. 429 :

## Mentioned in

App Store Connect API 3.5 release notes App Store Connect API 2.0 release notes

## Discussion

Discussion The example below requests the top two weighted disk write diagnostic signatures. The example response returns two signatures that are responsible for 85% and 7% of disk writes. Example Request and Response

## See Also

### Getting Metrics and Diagnostic Logs

- [Retrieve Power and Performance Metrics and Log Insights](appstoreconnectapi/retrieve-power-and-performance-metrics-and-log-insights.md)
- [Get power and performance metrics for an app](appstoreconnectapi/get-v1-apps-_id_-perfpowermetrics.md)
- [Get power and performance metrics for a build](appstoreconnectapi/get-v1-builds-_id_-perfpowermetrics.md)
- [Download logs for a diagnostic signature](appstoreconnectapi/get-v1-diagnosticsignatures-_id_-logs.md)