GatewayProvider

Namespace: Vercel.AI.Gateway

public sealed class GatewayProvider : ProviderBase, IBatchProvider, IDecisionProvider, IEvaluationProvider

Vercel AI Gateway provider. Language, embedding, and image calls use the Gateway V4 routes (/language-model, /embedding-model, /image-model).

Inheritance: object → ProviderBase

Implements: IBatchProvider, IDecisionProvider, IEvaluationProvider

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Constructors

GatewayProvider(GatewayOptions?, HttpClient)

public GatewayProvider(GatewayOptions? options, HttpClient httpClient)

Creates a Gateway provider.

Parameters

Name	Type	Description
`options`	GatewayOptions
`httpClient`	HttpClient

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Fields

ApiKeyEnvironmentVariable

public const string ApiKeyEnvironmentVariable = "AI_GATEWAY_API_KEY"

Environment variable for the Gateway key.

Value: string

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ProviderId

public const string ProviderId = "gateway"

Provider id.

Value: string

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Properties

Http

public ProviderHttp Http { get; }

HTTP helper.

Value: ProviderHttp

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Options

public GatewayOptions Options { get; }

Options.

Value: GatewayOptions

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Methods

Create(GatewayOptions?, HttpMessageHandler?)

public static GatewayProvider Create(GatewayOptions? options = null, HttpMessageHandler? handler = null)

Creates a provider. Pass a handler from tests.

Parameters

Name	Type	Description
`options`	GatewayOptions
`handler`	HttpMessageHandler

Returns: GatewayProvider

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DecisionModel(string)

public GatewayDecisionModel DecisionModel(string modelId)

Decision model routed through /decision-model.

Parameters

Name	Type	Description
`modelId`	string

Returns: GatewayDecisionModel

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EmbeddingModel(string)

public override IEmbeddingModel EmbeddingModel(string modelId)

Returns an embedding model.

Parameters

Name	Type	Description
`modelId`	string

Returns: IEmbeddingModel

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EvaluationModel(string)

[Obsolete("Use DecisionModel instead.")]
public GatewayDecisionModel EvaluationModel(string modelId)

Deprecated alias of DecisionModel(string). Maps to evaluationModel.

Parameters

Name	Type	Description
`modelId`	string

Returns: GatewayDecisionModel

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ExperimentalBatch()

public IBatchApi? ExperimentalBatch()

Gateway batch API. Downloads batch results.

Returns: IBatchApi

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ImageModel(string)

public override IImageModel ImageModel(string modelId)

Returns an image model.

Parameters

Name	Type	Description
`modelId`	string

Returns: IImageModel

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LanguageModel(string)

public override ILanguageModel LanguageModel(string modelId)

Returns a language model.

Parameters

Name	Type	Description
`modelId`	string

Returns: ILanguageModel

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