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# Zotero API

> Every Zotero endpoint on Cotlet: inputs, JSON Schema, cURL, Python and Node.js examples and an example response for each call.

Source: https://cotlet.dev/docs/api/zotero

Docs sections: [Get started](https://cotlet.dev/docs.md) · [REST API](https://cotlet.dev/docs/api.md) · [MCP](https://cotlet.dev/docs/mcp.md) · [SDKs & CLI](https://cotlet.dev/docs/sdks.md) · [Integrations](https://cotlet.dev/docs/integrations.md)

11 endpoints for Zotero, each at its own method and path, called with your API key. Open an endpoint for its inputs, examples and response.

- Base URL: `https://cotlet.dev/api/v1/zotero`
- Connects with: Your own zotero.org account with Zotero sync on; the library is the one you already sync from the desktop app
- Integration page: https://cotlet.dev/integrations/zotero-api-mcp-server

## Read

Return data and change nothing in the account.

| Endpoint | Description |
|---|---|
| [`GET /libraries`](https://cotlet.dev/docs/api/zotero/list_libraries.md) | My Library and the group libraries your account belongs to, with their IDs. |
| [`GET /items/search`](https://cotlet.dev/docs/api/zotero/search_items.md) | Items in the library matching a phrase, tag, item type or collection, with title, creators, year and tags. |
| [`GET /item`](https://cotlet.dev/docs/api/zotero/get_item.md) | One item with all its fields, tags, collections and child notes. |
| [`GET /collections`](https://cotlet.dev/docs/api/zotero/list_collections.md) | Collections and subcollections of the library with their keys and item counts. |
| [`GET /annotations`](https://cotlet.dev/docs/api/zotero/get_annotations.md) | Highlights and comments made in the PDFs of an item, with color and page. |
| [`GET /citations/export`](https://cotlet.dev/docs/api/zotero/export_citations.md) | Items or a whole collection as BibTeX, BibLaTeX, RIS, CSL JSON or a formatted bibliography. |

## Write

Change the account. Calls marked Confirm wait for the user to approve them.

| Endpoint | Description |
|---|---|
| [`POST /item-by-identifiers`](https://cotlet.dev/docs/api/zotero/add_item_by_identifier.md) | Add papers or books to My Library from DOIs, ISBNs, PubMed IDs, arXiv IDs or ADS Bibcodes. |
| [`POST /collections`](https://cotlet.dev/docs/api/zotero/create_collection.md) | Create a collection or a subcollection in My Library. |
| [`POST /items-to-collections`](https://cotlet.dev/docs/api/zotero/add_items_to_collection.md) | Add items to a collection; they stay in the collections they are already in. |
| [`POST /tags`](https://cotlet.dev/docs/api/zotero/add_tags.md) | Add tags to one or more items. |
| [`POST /notes`](https://cotlet.dev/docs/api/zotero/create_note.md) | Add a note to an item, or a standalone note. |

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Cotlet is an independent service. It is not affiliated with, endorsed by or sponsored by any of the products listed on this site. Product names are trademarks of their respective owners.

## For AI agents: sign your user up

Is your user asking you to sign them up for Cotlet? You can do it for them, no account or key needed.

1. Read the fields and their allowed values: GET https://cotlet.dev/api/v1/access-requests
2. Ask the user for each value: email, apps, what you will do with them. If they leave the password to you, generate a strong one and show it to them.
3. Show the user what you will send, then POST it as JSON to https://cotlet.dev/api/v1/access-requests.

One call creates the account and sends the access request; we email the user when access is granted.