Get File Metadata

client.Beta.Files.GetMetadata(ctx, fileID, query) (*FileMetadata, error)

get/v1/files/{file_id}?beta=true

Get File Metadata

ParametersExpand Collapse

fileID string

ID of the File.

query BetaFileGetMetadataParams

Betas param.Field[[]AnthropicBeta]optional

Optional header to specify the beta version(s) you want to use.

string

type AnthropicBeta string

Accepts one of the following:

const AnthropicBetaMessageBatches2024_09_24 AnthropicBeta = "message-batches-2024-09-24"

const AnthropicBetaPromptCaching2024_07_31 AnthropicBeta = "prompt-caching-2024-07-31"

const AnthropicBetaComputerUse2024_10_22 AnthropicBeta = "computer-use-2024-10-22"

const AnthropicBetaComputerUse2025_01_24 AnthropicBeta = "computer-use-2025-01-24"

const AnthropicBetaPDFs2024_09_25 AnthropicBeta = "pdfs-2024-09-25"

const AnthropicBetaTokenCounting2024_11_01 AnthropicBeta = "token-counting-2024-11-01"

const AnthropicBetaTokenEfficientTools2025_02_19 AnthropicBeta = "token-efficient-tools-2025-02-19"

const AnthropicBetaOutput128k2025_02_19 AnthropicBeta = "output-128k-2025-02-19"

const AnthropicBetaFilesAPI2025_04_14 AnthropicBeta = "files-api-2025-04-14"

const AnthropicBetaMCPClient2025_04_04 AnthropicBeta = "mcp-client-2025-04-04"

const AnthropicBetaDevFullThinking2025_05_14 AnthropicBeta = "dev-full-thinking-2025-05-14"

const AnthropicBetaInterleavedThinking2025_05_14 AnthropicBeta = "interleaved-thinking-2025-05-14"

const AnthropicBetaCodeExecution2025_05_22 AnthropicBeta = "code-execution-2025-05-22"

const AnthropicBetaExtendedCacheTTL2025_04_11 AnthropicBeta = "extended-cache-ttl-2025-04-11"

const AnthropicBetaContext1m2025_08_07 AnthropicBeta = "context-1m-2025-08-07"

const AnthropicBetaContextManagement2025_06_27 AnthropicBeta = "context-management-2025-06-27"

const AnthropicBetaModelContextWindowExceeded2025_08_26 AnthropicBeta = "model-context-window-exceeded-2025-08-26"

const AnthropicBetaSkills2025_10_02 AnthropicBeta = "skills-2025-10-02"

ReturnsExpand Collapse

type FileMetadata struct{…}

ID string

Unique object identifier.

The format and length of IDs may change over time.

CreatedAt Time

RFC 3339 datetime string representing when the file was created.

formatdate-time

Filename string

Original filename of the uploaded file.

maxLength500

minLength1

MimeType string

MIME type of the file.

maxLength255

minLength1

SizeBytes int64

Size of the file in bytes.

minimum0

Type File

Object type.

For files, this is always "file".

Accepts one of the following:

const FileFile File = "file"

Downloadable booloptional

Whether the file can be downloaded.

Get File Metadata

package main

import (
  "context"
  "fmt"

  "github.com/anthropics/anthropic-sdk-go"
  "github.com/anthropics/anthropic-sdk-go/option"
)

func main() {
  client := anthropic.NewClient(
    option.WithAPIKey("my-anthropic-api-key"),
  )
  fileMetadata, err := client.Beta.Files.GetMetadata(
    context.TODO(),
    "file_id",
    anthropic.BetaFileGetMetadataParams{

    },
  )
  if err != nil {
    panic(err.Error())
  }
  fmt.Printf("%+v\n", fileMetadata.ID)
}

{
  "id": "id",
  "created_at": "2019-12-27T18:11:19.117Z",
  "filename": "x",
  "mime_type": "x",
  "size_bytes": 0,
  "type": "file",
  "downloadable": true
}

Returns Examples

{
  "id": "id",
  "created_at": "2019-12-27T18:11:19.117Z",
  "filename": "x",
  "mime_type": "x",
  "size_bytes": 0,
  "type": "file",
  "downloadable": true
}