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Helicone Model Registry API

The Model Registry API from Helicone — 1 operation(s) for model registry.

Helicone Model Registry API is one of 33 APIs that Helicone publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Model Registry. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, a getting-started guide, pricing, an API reference, and an engineering blog.

This API exposes 1 operation across 1 path, and defines 25 schemas. It is described by OpenAPI 3.0.0, at version 1.0.0.

Requests are made against 2 base URLs: https://api.helicone.ai/, http://localhost:8585/.

1 operations 1 paths 25 schemas 1 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.0.0
API Version
1.0.0
Base URL
https://ai-gateway.helicone.ai
Authentication
API Key
License
MIT
Resource Areas
1

Authentication & Security 1

Helicone Model Registry API declares 1 security scheme for authenticating requests. An API key is passed in the header as Authorization (api_key).

  • api_key — Bearer token authentication. Format: 'Bearer YOURAPIKEY'

Paths & Operations 1

Across 1 path, the API surfaces 1 operation — 1 GET. Each is listed below with its method, path, parameters, and response codes.

Model Registry 1
GET
/v1/public/model-registry/models
Returns a comprehensive list of all AI models with their configurations, pricing, and capabilities
GetModelRegistry → 200

Schemas 25

The contract defines 25 schemas that model the data the API accepts and returns. The most detailed are EndpointConfig (19 properties), ModelProviderConfig (19 properties), Endpoint (13 properties), ModelRegistryItem (12 properties). Each schema is shown below with its type and property counts.

ModelProviderConfig
object
19 properties 9 required
RateLimits
object
3 properties
ResultSuccess_ModelRegistryResponse_
object
2 properties 2 required
StandardParameter
string
PluginId
string
ModelEndpoint
object
6 properties 3 required
EndpointConfig
object
19 properties
SimplifiedModalityPricing
object
3 properties
ModelRegistryResponse
object
3 properties 3 required
ResponseFormat
string
Endpoint
object
13 properties 10 required
ModelProviderName
string
SimplifiedPricing
object
11 properties 2 required
ModelCapability
string
UserEndpointConfig
object
11 properties
AuthorName
string
Record_string.EndpointConfig_
object
Construct a type with a set of properties K of type T
InputModality
string
ModalityPricing
object
Per-modality pricing configuration. Supports input, cached input (as multiplier), and output rates.
3 properties
OutputModality
string
Result_ModelRegistryResponse.string_
ModelPricing
object
12 properties 3 required
BodyMappingType
string
ModelRegistryItem
object
12 properties 8 required
ResultError_string_
object
2 properties 2 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

helicone-model-registry-api-openapi.yml Raw ↑

Other APIs Helicone publishes across the network.

Helicone Agent API
Helicone API Key API
Helicone Comparison API
Helicone Credits API
Helicone Customer API
Helicone Dashboard API
Helicone Dataset API
Helicone Evals API
Helicone Evaluator API
Helicone Experiment API
Helicone HeliconeSql API
Helicone Integration API