---
title: "Retrieve one-way synonym"
method: GET
path: "/v2/one_way_synonyms/{parent_phrase}"
tags: ["Synonyms"]
---

# Retrieve one-way synonym

`GET /v2/one_way_synonyms/{parent_phrase}`

**🔐 This endpoint requires [HTTP authentication](https://docs.constructor.com/reference/main-authentication) (either [Basic](https://docs.constructor.com/reference/main-authentication#basic-authentication) or [Bearer](https://docs.constructor.com/reference/main-authentication#bearer-authentication)).**
For authenticating with Bearer token, required scopes are: `synonyms(r)`.

Retrieve one-way synonym with specified `parent_phrase`.

## Path parameters

- `parent_phrase` string, required

## Query parameters

- `key` string, required — The key of the index to use.
- `phrase` string
- `num_results_per_page` integer — The number of results per page to return.
- `page` integer — The page of results to return.
- `offset` integer — The number of results to skip from the beginning. Cannot be used together with `page`.
- `sort_by` 'created_at' | 'updated_at' | 'activated_at'
- `sort_order` 'ascending' | 'descending'
- `c` string — The ID of the client and version that the request is coming from, such as `cio-js-2.90`.

## Response `200`

OK

- OneWaySynonymV2GetResponse
  - `one_way_synonym_relations` OneWaySynonymRelationV2[], required — A list of one way synonyms
    - `parent_phrase` string, required
    - `child_phrases` PhraseResponse[], required
      - `phrase` string, required
      - `automatically_generated` boolean
      - `created_at` string, date-time — One way synonym creation date and time in ISO 8601 format
      - `updated_at` string, date-time — Last one way synonym update date and time in ISO 8601 format.
      - `activated_at` string, date-time — Last one way synonym update date and time in ISO 8601 format.
  - `total_count` integer, required — Total count of one way synonyms returned

## Other responses

- `400` — Validation Error
- `401` — Credentials are not passed or action is forbidden.
- `403` — The supplied token does not have the required permissions.
- `429` — Rate limit breached

---

[API](https://skmtc.dev/constructor/apis/autocomplete.md) · [All operations](https://skmtc.dev/constructor/apis/autocomplete/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/constructor/autocomplete/revisions/2d33330633b6/schema)