---
title: "Get DOIDoc documents"
method: GET
path: "/doi/"
tags: ["DOIs"]
---

# Get DOIDoc documents

`GET /doi/`

## Query parameters

- `material_ids` string, nullable — Comma-separated list of material_id values to query on
- `_page` integer — Page number to request (takes precedent over _limit and _skip).
- `_per_page` integer — Number of entries to show per page (takes precedent over _limit and _skip). Limited to 1000.
- `_skip` integer — Number of entries to skip in the search.
- `_limit` integer — Max number of entries to return in a single query. Limited to 1000.
- `_fields` string — Fields to project from DOIDoc as a list of comma separated strings. Fields include: `doi` `material_id`
- `_all_fields` boolean — Include all fields.

## Response `200`

Search for a DOIDoc

- ResponseDOIDoc
  - `data` DOIDoc[], nullable — List of returned data
    - `doi` string, nullable — DOI of the material.
    - `material_id` unknown
  - `errors` Error[], nullable — Any errors on processing this query
    - `code` integer, required — The error code
    - `message` string, required — The description of the error
  - `meta` Meta — Meta information for the MAPI Response.
    - `api_version` string — A string containing the version of the Materials API implementation, e.g. v0.9.5
    - `time_stamp` string, date-time — A string containing the date and time at which the query was executed
    - `total_doc` integer, nullable — The total number of documents available for this query
    - `facet` object, nullable — A dictionary containing the facets available for this query

## Other responses

- `422` — Validation Error

## Changes

- **2026-08-20** `70f72d0670df` — 1 info
  - the `api_version` response's property default value changed from `0.87.2.dev19+g3f2daf4f8` to `0.87.3.dev3+gfbe8656b6` for the status `200`
- **2026-07-31** `54f2f79ab4f8` — 1 info
  - the `api_version` response's property default value changed from `0.87.2.dev13+g62063a867` to `0.87.2.dev19+g3f2daf4f8` for the status `200`
- **2026-07-26** `9aac4fdf4081` — 1 info
  - the `api_version` response's property default value changed from `0.87.2.dev4+g6bd8ed856` to `0.87.2.dev13+g62063a867` for the status `200`

[Change history](https://skmtc.dev/materialsproject/apis/materials-project-api/changes/doi/get.md)

---

[API](https://skmtc.dev/materialsproject/apis/materials-project-api.md) · [All operations](https://skmtc.dev/materialsproject/apis/materials-project-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/materialsproject/materials-project-api/revisions/70f72d0670df/schema)