---
title: "A rendered tile returned INLINE as base64 JSON — the in-band image hop for AI/MCP clients."
method: POST
path: "/v1/op/items.tile.preview"
tags: ["kernel-ops"]
---

# A rendered tile returned INLINE as base64 JSON — the in-band image hop for AI/MCP clients.

`POST /v1/op/items.tile.preview`

## Headers

- `x-api-key` string, nullable

## Request body

- ItemTileRenderInput
  - `item_id` string, required
  - `z` integer, required
  - `x` integer, required
  - `y` integer, required
  - `format` string
  - `profile` string, nullable
  - `asset_key` string, nullable
  - `expression` string, nullable
  - `bands` string, nullable
  - `rescale` string, nullable
  - `colormap` string, nullable
  - `quality` integer
  - `viz_id` string, nullable
  - `band_roles` object, nullable
  - `data_type` string
  - `render_params` object, nullable
  - `band_assets` object, nullable
  - `aoi` string, nullable

## Response `200`

Successful Response

- ItemTilePreviewOutput
  - `item_id` string, required
  - `z` integer, required
  - `x` integer, required
  - `y` integer, required
  - `media_type` string, required
  - `bytes` integer, required
  - `image_base64` string, required

## Other responses

- `401` — Unauthorized
- `403` — Forbidden
- `404` — Not Found
- `422` — Validation Error
- `500` — Internal Server Error

---

[API](https://skmtc.dev/geopera/apis/geopera-data-platform.md) · [All operations](https://skmtc.dev/geopera/apis/geopera-data-platform/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/geopera/geopera-data-platform/revisions/cb0130b2a40a/schema)