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Logto Custom phrases API

Endpoints for managing custom phrases that allow you to customize the phrases displayed in the sign-in experience.See [Localized language](https://docs.logto.io/docs/recipes/customize-sie/localized-language/) to learn more about custom phrases for localization.

Logto Custom phrases API is one of 39 APIs that Logto publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Custom phrases. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and a GitHub repository.

This API exposes 4 operations across 2 paths, and defines 2 schemas. It is described by OpenAPI 3.2.0, at version Cloud.

Requests are made against a single base URL, https://[tenant_id].logto.app/.

4 operations 2 paths 2 schemas 1 DELETE2 GET1 PUT

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
Cloud
Server
https://[tenant_id].logto.app/
Authentication
OAuth 2.0
Resource Areas
1

Authentication & Security 1

Logto Custom phrases API declares 1 security scheme for authenticating requests. It supports OAuth 2.0 (OAuth2) using the clientCredentials flow, exposing 1 scope. By default, every request must be authenticated.

  • OAuth2 — Logto Management API is a comprehensive set of REST APIs that gives you the full control over Logto to suit your product needs and tech stack. To see the full…

Paths & Operations 4

Across 2 paths, the API surfaces 4 operations — 1 DELETE, 2 GET, 1 PUT. Each is listed below with its method, path, parameters, and response codes.

Custom phrases 4

Endpoints for managing custom phrases that allow you to customize the phrases displayed in the sign-in experience. See [Localized language](https://docs.logto.io/docs/recipes/cust…

GET
/api/custom-phrases
Get all custom phrases
ListCustomPhrases → 200401403
GET
/api/custom-phrases/{languageTag}
Get custom phrases
GetCustomPhrase 1 param → 200400401403404
PUT
/api/custom-phrases/{languageTag}
Upsert custom phrases
ReplaceCustomPhrase 1 param body → 201400401403422
DELETE
/api/custom-phrases/{languageTag}
Delete custom phrase
DeleteCustomPhrase 1 param → 204400401403404409

Schemas 2

The contract defines 2 schemas that model the data the API accepts and returns. The most detailed is TranslationObject (1 property). Each schema is shown below with its type and property counts.

Translation
TranslationObject
object
1 property

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

logto-custom-phrases-api-openapi.yml Raw ↑

Other APIs Logto publishes across the network.

Logto Account center API
Logto Applications API
Logto Audit logs API
Logto Authn API
Logto Captcha provider API
Logto Configs API
Logto Connector factories API
Logto Connectors API
Logto Custom profile fields API
Logto Dashboard API
Logto Domains API
Logto Email templates API
Where this information came from

This is an independent, third-party profile of Logto Custom phrases API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

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