---
title: "Retrieve a contributor"
method: GET
path: "/preprints/{preprint_id}/contributors/{user_id}/"
tags: ["Preprints"]
---

# Retrieve a contributor

`GET /preprints/{preprint_id}/contributors/{user_id}/`

Retrieves the details of a contributor on this Preprint.
Contributors are categorized as either "bibliographic" or "non-bibliographic". From a permissions standpoint, both are the same, but bibliographic contributors are included in citations and are listed on the project overview page on the OSF, while non-bibliographic contributors are not.

Note that if an anonymous view_only key is being used to view the list of contributors, the user relationship will not be exposed and the contributor ID will be an empty string.
#### Returns
Returns a JSON object with a `data` key containing the representation of the requested contributor, if the request is successful.

If the request is unsuccessful, an `errors` key containing information about the failure will be returned. Refer to the [list of error codes](#tag/Errors-and-Error-Codes) to understand why this request may have failed.

## Path parameters

- `preprint_id` string, required
- `user_id` string, required

## Response `200`

OK

---

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