---
title: "Download credential usage report"
method: GET
path: "/api/v1/studies/{id}/credentials/report/"
tags: ["studies"]
---

# Download credential usage report

`GET /api/v1/studies/{id}/credentials/report/`

Download a CSV report of credential usage for a study. The report includes participant IDs, submission IDs, usernames, and credential status (USED/UNUSED). This endpoint is only available for studies that have credentials configured.

## Path parameters

- `id` string, required

## Headers

- `Authorization` string, required

## Response `200`

CSV file containing credential usage report

- object

## Other responses

- `400` — Error

---

[API](https://skmtc.net/prolific/apis/api-reference.md) · [All operations](https://skmtc.net/prolific/apis/api-reference/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/prolific/api-reference/versions/dc6f073a9827/schema)