---
title: "List link keys"
method: GET
path: "/v1/linking/link-keys"
tags: ["Linking"]
---

# List link keys

`GET /v1/linking/link-keys`

## Request

- Base URL: `https://api.talonic.com`
- URL: `https://api.talonic.com/v1/linking/link-keys`
- Auth: HTTP bearer

Returns all configured link keys (field-level entity identifiers used for document linking).

## Response `200`

List of link keys.

- object
  - `data` LinkKeyResponse[]
    - `field_name` string, required
    - `category` 'identity' | 'transaction' | 'reference', required
    - `auto_classified` boolean
    - `frequency` number, float, nullable: Fraction of documents containing this link key value.

## Other responses

- `401`: Missing or invalid API key.
- `429`: Daily rate limit exceeded.

---

[API](https://skmtc.dev/talonic/apis/talonic-api.md) · [All operations](https://skmtc.dev/talonic/apis/talonic-api/llms.txt) · [OpenAPI document](https://skmtc.dev/talonic/apis/talonic-api/revisions/678fe5f8c9c3?raw)