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feat: add Anthropic /messages to AWS Bedrock translator #2103

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Merged
nacx merged 3 commits into from
May 12, 2026
Merged

feat: add Anthropic /messages to AWS Bedrock translator #2103

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23584e4
translator: add Anthropic to AWS Bedrock API (#2102)
Killusions May 4, 2026
a45fb51
endpointspec: wire AWSBedrock into /v1/messages endpoint
Killusions May 5, 2026
0b88757
e2e: add basic tests for messages to AWSBedrock
Killusions May 12, 2026
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4 changes: 3 additions & 1 deletion internal/endpointspec/endpointspec.go
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Original file line number Diff line number Diff line change
Expand Up @@ -347,8 +347,10 @@ func (MessagesEndpointSpec) GetTranslator(schema filterapi.VersionedAPISchema, m
return translator.NewAnthropicToAnthropicTranslator(schema.Version, modelNameOverride), nil
case filterapi.APISchemaOpenAI:
return translator.NewAnthropicToChatCompletionOpenAITranslator(schema.OpenAIPrefix(), modelNameOverride), nil
case filterapi.APISchemaAWSBedrock:
return translator.NewAnthropicToAWSBedrockTranslator(modelNameOverride), nil
default:
return nil, fmt.Errorf("/v1/messages endpoint only supports backends that return native Anthropic format (Anthropic, GCPAnthropic, AWSAnthropic). OpenAI translation is also supported. Backend %s uses different model format", schema.Name)
return nil, fmt.Errorf("/v1/messages endpoint only supports backends that return native Anthropic format (Anthropic, GCPAnthropic, AWSAnthropic). OpenAI and AWSBedrock translation is also supported. Backend %s uses different model format", schema.Name)
}
}

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3 changes: 2 additions & 1 deletion internal/endpointspec/endpointspec_test.go
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Expand Up @@ -248,7 +248,8 @@ func TestMessagesEndpointSpec_GetTranslator(t *testing.T) {
{Name: filterapi.APISchemaGCPAnthropic},
{Name: filterapi.APISchemaAWSAnthropic},
{Name: filterapi.APISchemaAnthropic},
{Name: filterapi.APISchemaOpenAI}, // This is for OpenAI-schema backends like vLLM that support the /v1/messages endpoint
{Name: filterapi.APISchemaOpenAI}, // This is for OpenAI-schema backends like vLLM that support the /v1/messages endpoint
{Name: filterapi.APISchemaAWSBedrock}, // This is for AWS Bedrock translation from the /v1/messages endpoint
} {
translator, err := spec.GetTranslator(schema, "override")
require.NoError(t, err)
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