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Files API - Java

Files API

Out of beta. In current SDKs client.beta().files() has breaking shape changes from previous versions, matching the stable client.files() - migrate per the Files API row in shared/live-sources.md. Examples below predate this.

Under client.beta().files(). This sample references the file from a message with the beta message types.

import com.anthropic.models.beta.files.FileUploadParams;
import com.anthropic.models.beta.files.BetaFileMetadata;
import com.anthropic.models.beta.messages.BetaRequestDocumentBlock;
import com.anthropic.models.beta.messages.BetaFileDocumentSource;
import java.nio.file.Paths;

BetaFileMetadata meta = client.beta().files().upload(
    FileUploadParams.builder()
        .file(Paths.get("/path/to/doc.pdf"))  // or .file(InputStream) or .file(byte[])
        .build());

// Reference in a beta message:
BetaRequestDocumentBlock doc = BetaRequestDocumentBlock.builder()
    .source(BetaFileDocumentSource.builder().fileId(meta.id()).build())
    .build();

Other methods: .list(), .delete(String fileId), .download(String fileId), .retrieveMetadata(String fileId).