Cortexa research tool·literature·unpaywall

Unpaywall Check Oa Status

Query Unpaywall by DOI to check open-access status and OA locations. Requires a contact email for API access.

Livelast probed 2026-04-30 23:07Z· 97msCortexa

Status

The most recent probe succeeded. Safe to call from the agent today.

Last probed: 1d ago
Last success: 1d ago
Last latency: 97ms

Schema

JSON Schema the agent (or your API call) must match.

{
  "properties": {
    "doi": {
      "description": "DOI (Digital Object Identifier) of the article to check for open access status.",
      "type": "string"
    },
    "email": {
      "description": "Contact email address required by Unpaywall API for polite usage tracking.",
      "type": "string"
    }
  },
  "required": [
    "doi",
    "email"
  ],
  "type": "object"
}

Examples (1)

Default Unpaywall Check Oa Status call

public-safeinput

{
  "doi": "10.1038/s41586-020-2649-2",
  "email": ""
}

Expected response keys: success

Anonymous-safe example. Rate-limited; no sign-in required.

Identifiers

Catalog ID: tu_Unpaywall_check_oa_status
Tool name: Unpaywall_check_oa_status
Added: 2026-04-30 22:47Z
Tags: tooluniverse

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