---
title: "vision.alt.write · OpenVibe.Services"
canonical: "https://openvibe.services/docs/capabilities/vision.alt.write"
updated: null
---

# vision.alt.write · OpenVibe.Services

HTML: [vision.alt.write · OpenVibe.Services](https://openvibe.services/docs/capabilities/vision.alt.write)

# `vision.alt.write`

Generated at 2026-11-13 06:25:48 UTC from [`openvibe-contracts v0.419.0`](https://github.com/OpenVibers/OpenVibe.Contracts/tree/v0.419.0) and [`openvibe-sdk v0.161.0`](https://github.com/OpenVibers/OpenVibe.SDK/tree/v0.161.0).

Not grantable to apps (active, first-party).

Write editable alt text for an image on OpenVibe.Vision: POST /api/v1/alt returns one short sentence about the scene, objects and action, never about a person. The answer has passed noLooks; the receipt names the engine, cost and latency. Rooms use it for Pics, Media and Chat uploads.

- Owner: vision (token audience `openvibe.vision`)
- Version: 1.0
- Status: active
- Visibility: first-party
- Resource constraints: none
- Quota class: vision-alt
- Permissions: vision:alt
- Input: [vision.image-request@1](/docs/contracts/vision.image-request)
- Output: vision.alt-result@1
- Events: vision.result.ready
- Implemented by: - `POST /api/v1/alt`

[These routes in the API explorer](/docs/api/vision#cap-vision.alt.write)