---
title: "Upload Public Flow Presentation Image"
method: POST
path: "/v2/public/documents/presentations/{presentation_id}/images"
tags: ["presentations"]
---

# Upload Public Flow Presentation Image

`POST /v2/public/documents/presentations/{presentation_id}/images`

## Request

- Base URL: `https://api.sanka.com`
- URL: `https://api.sanka.com/v2/public/documents/presentations/{presentation_id}/images`
- Auth: HTTP bearer
- TypeScript: <https://skmtc.dev/sankahq/apis/sanka-public-api/docs/v2/public/documents/presentations/:presentation_id/images/post.ts> (a function with typed inputs; its response is checked against the schema)

Upload an image to the presentation; reference its `assetId` in the deck.

## Path parameters

- `presentation_id` string, required

## Query parameters

- `workspace_id` string, nullable

## Headers

- `X-Workspace-Code` string

## Request body `multipart/form-data`

- BodyUploadPublicPresentationImage
  - `file` string, binary, required: A PNG, JPEG or WebP image up to 10 MiB.
  - `alt` string, nullable

## Response `201`

Successful Response

- UploadPublicPresentationImage201Envelope
  - `success` true, required
  - `data` PresentationImageData, required: An image stored with the presentation; use `assetId` in image blocks and accents.
    - `assetId` string, required
    - `contentType` string, required
    - `sizeBytes` integer, required
    - `width` integer, required
    - `height` integer, required
    - `alt` string, nullable
  - `meta` EnvelopeMeta, required
    - `ctx_id` string, required
    - `pagination` PaginationMeta
      - `page` integer, required
      - `page_size` integer, required
      - `total` integer, required
      - `next_cursor` string, nullable
    - `toast` ToastMessage
      - `variant` 'success' | 'error' | 'info' | 'warning', required
      - `code` string, required
      - `message` string, required
      - `i18n` ToastMessageI18n, required
        - `en` string, required
        - `ja` string, required

## Other responses

- `401`: Error response
- `403`: Error response
- `422`: Error response

## Changes

- **2026-10-09** `6224f51f9e33`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/sankahq/apis/sanka-public-api/changes/v2/public/documents/presentations/:presentation_id/images/post.md)

---

[API](https://skmtc.dev/sankahq/apis/sanka-public-api.md) - [All operations](https://skmtc.dev/sankahq/apis/sanka-public-api/llms.txt) - [OpenAPI document](https://skmtc.dev/sankahq/apis/sanka-public-api/revisions/16f03a9e3ab9?raw)