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Langfuse Comments API

The Comments API from Langfuse — 2 operation(s) for comments.

Langfuse Comments API is one of 28 APIs that Langfuse publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Comments. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

This API exposes 3 operations across 2 paths, and defines 6 schemas. It is described by OpenAPI 3.0.1, at version 1.0.

Requests are made against the base URL https://cloud.langfuse.com/api/public.

3 operations 2 paths 6 schemas 2 GET1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.0.1
API Version
1.0
Base URL
https://cloud.langfuse.com/api/public
Authentication
HTTP Basic
Resource Areas
1

Authentication & Security 1

Langfuse Comments API declares 1 security scheme for authenticating requests. It accepts HTTP basic authentication (BasicAuth).

Paths & Operations 3

Across 2 paths, the API surfaces 3 operations — 2 GET, 1 POST. Each is listed below with its method, path, parameters, and response codes.

Comments 3
POST
/api/public/comments
Create a comment. Comments may be attached to different object types (trace, observation, session, prompt).
comments_create body → 200400401403404405
GET
/api/public/comments
Get all comments
comments_get 5 params → 200400401403404405
GET
/api/public/comments/{commentId}
Get a comment by id
comments_get-by-id 1 param → 200400401403404405

Schemas 6

The contract defines 6 schemas that model the data the API accepts and returns. The most detailed are Comment (8 properties), CreateCommentRequest (5 properties), utilsMetaResponse (4 properties), GetCommentsResponse (2 properties). Each schema is shown below with its type and property counts.

utilsMetaResponse
object
4 properties 4 required
CreateCommentResponse
object
1 property 1 required
CommentObjectType
string
GetCommentsResponse
object
2 properties 2 required
CreateCommentRequest
object
5 properties 4 required
Comment
object
8 properties 7 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

langfuse-comments-api-openapi.yml Raw ↑

Other APIs Langfuse publishes across the network.

Langfuse AnnotationQueues API
Langfuse BlobStorageIntegrations API
Langfuse DatasetItems API
Langfuse DatasetRunItems API
Langfuse Datasets API
Langfuse Health API
Langfuse Ingestion API
Langfuse LegacyMetricsV1 API
Langfuse LegacyObservationsV1 API
Langfuse LegacyScoreV1 API
Langfuse LlmConnections API
Langfuse Media API
Where this information came from

This is an independent, third-party profile of Langfuse Comments 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.

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