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Langfuse

Langfuse Models API

The Models API from Langfuse — 2 operation(s) for models.

Documentation Provider Profile APIs.io OpenAPI GitHub

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

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

This API exposes 4 operations across 2 paths, and defines 10 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.

4 operations 2 paths 10 schemas 1 DELETE2 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 Models API declares 1 security scheme for authenticating requests. It accepts HTTP basic authentication (BasicAuth).

Paths & Operations 4

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

Models 4
POST
/api/public/models
Create a model
models_create body → 200400401403404405
GET
/api/public/models
Get all models
models_list 2 params → 200400401403404405
GET
/api/public/models/{id}
Get a model
models_get 1 param → 200400401403404405
DELETE
/api/public/models/{id}
Delete a model. Cannot delete models managed by Langfuse. You can create your own definition with the same modelName to override the definition though.
models_delete 1 param → 204400401403404405

Schemas 10

The contract defines 10 schemas that model the data the API accepts and returns. The most detailed are Model (14 properties), CreateModelRequest (10 properties), PricingTier (6 properties), PricingTierInput (5 properties). Each schema is shown below with its type and property counts.

Model
object
Model definition used for transforming usage into USD cost and/or tokenization. Models can have either simple flat pricing or tiered pricing: - Flat pricing: S…
14 properties 8 required
ModelPrice
object
1 property 1 required
utilsMetaResponse
object
4 properties 4 required
PaginatedModels
object
2 properties 2 required
CreateModelRequest
object
10 properties 2 required
PricingTierInput
object
Input schema for creating a pricing tier. The tier ID will be automatically generated server-side. When creating a model with pricing tiers: - Exactly one tier…
5 properties 5 required
PricingTier
object
Pricing tier definition with conditional pricing based on usage thresholds. Pricing tiers enable accurate cost tracking for LLM providers that charge different…
6 properties 6 required
PricingTierOperator
string
Comparison operators for pricing tier conditions
PricingTierCondition
object
Condition for matching a pricing tier based on usage details. Used to implement tiered pricing models where costs vary based on usage thresholds. How it works:…
4 properties 4 required
ModelUsageUnit
string
Unit of usage in Langfuse

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

langfuse-models-api-openapi.yml Raw ↑

Other APIs Langfuse publishes across the network.

Langfuse AnnotationQueues API
AE Profile APIs.io
Langfuse BlobStorageIntegrations API
AE Profile APIs.io
Langfuse Comments API
AE Profile APIs.io
Langfuse DatasetItems API
AE Profile APIs.io
Langfuse DatasetRunItems API
AE Profile APIs.io
Langfuse Datasets API
AE Profile APIs.io
Langfuse Health API
AE Profile APIs.io
Langfuse Ingestion API
AE Profile APIs.io
Langfuse LegacyMetricsV1 API
AE Profile APIs.io
Langfuse LegacyObservationsV1 API
AE Profile APIs.io
Langfuse LegacyScoreV1 API
AE Profile APIs.io
Langfuse LlmConnections API
AE Profile APIs.io
#Models
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API Details
ID
langfuse:langfuse-models-api
Base URL
https://cloud.langfuse.com/api/public
Docs
https://langfuse.com/docs/tracing
Provider
Langfuse
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