> ## Documentation Index
> Fetch the complete documentation index at: https://docs.lala.ist/llms.txt
> Use this file to discover all available pages before exploring further.

# Read a media, with a fresh URL

> Confirms a pending upload as a side effect, so this doubles as the "did my upload land?" check. `url` is signed and short-lived — read again rather than caching it.



## OpenAPI

````yaml /api-reference/openapi.json get /api/media/{id}
openapi: 3.1.0
info:
  title: Lala Client API
  description: >-
    The HTTP API behind Lala, the AI study companion for Turkish YKS and LGS
    students. This document is generated from the Zod schemas that validate each
    request at runtime. Do not hand-edit openapi.json. Student-visible text is
    Turkish. All identifiers are English.
  version: 1.0.0
servers:
  - url: https://client-api.lala.ist
    description: production
  - url: http://localhost:3000
    description: local dev
security:
  - supabaseJwt: []
tags:
  - name: chat
    description: The chat stream, the message history, and reactions
  - name: media
    description: Upload and read message attachments
  - name: plan
    description: The study planner — blocks of work on a day
  - name: journey
    description: Deneme results, topic performance, study-hours stats, and the streak
  - name: profile
    description: The student profile and onboarding
  - name: devices
    description: Push notification devices
  - name: system
    description: Health check
paths:
  /api/media/{id}:
    get:
      tags:
        - media
      summary: Read a media, with a fresh URL
      description: >-
        Confirms a pending upload as a side effect, so this doubles as the "did
        my upload land?" check. `url` is signed and short-lived — read again
        rather than caching it.
      operationId: getApiMediaById
      parameters:
        - schema:
            type: string
          in: path
          name: id
          required: true
      responses:
        '200':
          description: The media
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MediaResponse'
        '401':
          description: The token is missing, expired, or invalid
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: No such media for this student
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '503':
          description: Media storage is not configured
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  schemas:
    MediaResponse:
      type: object
      properties:
        media:
          $ref: '#/components/schemas/Media'
      required:
        - media
    ErrorResponse:
      type: object
      properties:
        error:
          type: string
        issues:
          description: >-
            Present only on a 400 raised by request validation, capped at 10
            entries. Every other error carries `error` alone.
          type: array
          items:
            $ref: '#/components/schemas/ValidationIssue'
      required:
        - error
      description: Error body. `error` is a short English string.
    Media:
      type: object
      properties:
        id:
          type: string
          format: uuid
          pattern: >-
            ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$
        kind:
          $ref: '#/components/schemas/MediaKind'
        mimeType:
          type: string
        sizeBytes:
          anyOf:
            - type: integer
              minimum: -9007199254740991
              maximum: 9007199254740991
            - type: 'null'
        width:
          anyOf:
            - type: integer
              minimum: -9007199254740991
              maximum: 9007199254740991
            - type: 'null'
        height:
          anyOf:
            - type: integer
              minimum: -9007199254740991
              maximum: 9007199254740991
            - type: 'null'
        durationMs:
          anyOf:
            - type: integer
              minimum: -9007199254740991
              maximum: 9007199254740991
            - type: 'null'
        fileName:
          anyOf:
            - type: string
            - type: 'null'
        status:
          type: string
          enum:
            - pending
            - ready
          description: '`ready` when the bytes are in storage. Only ready media can be sent.'
        url:
          anyOf:
            - type: string
            - type: 'null'
          description: >-
            Short-lived signed URL, null while the media is pending. It expires
            — read the media or the message again for a new one. Do not cache
            it.
        urlExpiresAt:
          anyOf:
            - type: string
              format: date-time
              pattern: >-
                ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$
            - type: 'null'
        createdAt:
          type: string
          format: date-time
          pattern: >-
            ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$
      required:
        - id
        - kind
        - mimeType
        - sizeBytes
        - width
        - height
        - durationMs
        - fileName
        - status
        - url
        - urlExpiresAt
        - createdAt
    ValidationIssue:
      type: object
      properties:
        path:
          type: string
          description: Dotted path to the offending field, empty at the root.
        message:
          type: string
      required:
        - path
        - message
    MediaKind:
      type: string
      enum:
        - image
        - audio
        - video
        - file
  securitySchemes:
    supabaseJwt:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: 'Supabase access token: `Authorization: Bearer <token>`'

````

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