AmazonBedrockSigV4Fetch

Namespace: Vercel.AI.AmazonBedrock

public sealed class AmazonBedrockSigV4Fetch

SigV4 fetch wrapper. The credentials are read when each call is sent.

Inheritance: object

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Constructors

AmazonBedrockSigV4Fetch(Func<CancellationToken, Task<AmazonBedrockCredentials>>, string)

public AmazonBedrockSigV4Fetch(Func<CancellationToken, Task<AmazonBedrockCredentials>> getCredentials, string service = "bedrock")

Creates a wrapper that signs for <code class=“paramref”>service</code>.

Parameters

Name	Type	Description
getCredentials	Func<CancellationToken, Task<AmazonBedrockCredentials>>
service	string

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Properties

Transport

public Func<AmazonBedrockPreparedCall, AmazonBedrockPreparedCall>? Transport { get; set; }

Optional transport. When unset, the prepared call is returned directly.

Value: Func<AmazonBedrockPreparedCall, AmazonBedrockPreparedCall>

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UtcNow

public Func<DateTimeOffset>? UtcNow { get; set; }

Clock used for signing. Tests can pin this.

Value: Func<DateTimeOffset>

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Methods

SendAsync(string, string?, string?, IReadOnlyDictionary<string, string?>?, CancellationToken)

public Task<AmazonBedrockPreparedCall> SendAsync(string url, string? method, string? body, IReadOnlyDictionary<string, string?>? headers, CancellationToken cancellationToken = default)

Resolves the credentials, signs the call, then invokes Transport if one is set. Calls that are not signed never read the credentials. A credential failure propagates and the transport is not called.

Parameters

Name	Type	Description
url	string
method	string
body	string
headers	IReadOnlyDictionary<string, string>
cancellationToken	CancellationToken

Returns: Task<AmazonBedrockPreparedCall>

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