---
title: "Vertex Discovery Proxy Route"
method: PUT
path: "/vertex_ai/discovery/{endpoint}"
tags: ["Vertex AI Pass-through", "pass-through"]
---

# Vertex Discovery Proxy Route

`PUT /vertex_ai/discovery/{endpoint}`

Call any vertex discovery endpoint using the proxy.

Just use `{PROXY_BASE_URL}/vertex_ai/discovery/{endpoint:path}`

Target url: `https://discoveryengine.googleapis.com`

## Path parameters

- `endpoint` string, required

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

## Changes

- **2026-09-04** `2a0f7cdf92d8` — 1 info
  - api operation id `vertex_discovery_proxy_route_vertex_ai_discovery__endpoint__post` removed and replaced with `vertex_discovery_proxy_route_vertex_ai_discovery__endpoint__get`
- **2026-09-03** `c4407d741025` — 1 info
  - api operation id `vertex_discovery_proxy_route_vertex_ai_discovery__endpoint__delete` removed and replaced with `vertex_discovery_proxy_route_vertex_ai_discovery__endpoint__post`
- **2026-09-02** `9da78c5e9063` — 1 info
  - api operation id `vertex_discovery_proxy_route_vertex_ai_discovery__endpoint__post` removed and replaced with `vertex_discovery_proxy_route_vertex_ai_discovery__endpoint__delete`
- **2026-09-01** `38375468a761` — 1 info
  - api operation id `vertex_discovery_proxy_route_vertex_ai_discovery__endpoint__delete` removed and replaced with `vertex_discovery_proxy_route_vertex_ai_discovery__endpoint__post`
- **2026-09-01** `7627d677bba6` — 1 info
  - api operation id `vertex_discovery_proxy_route_vertex_ai_discovery__endpoint__put` removed and replaced with `vertex_discovery_proxy_route_vertex_ai_discovery__endpoint__delete`

[Full history](https://skmtc.dev/sea-lion/apis/litellm-api/changes/vertex_ai/discovery/:endpoint/put.md)

---

[API](https://skmtc.dev/sea-lion/apis/litellm-api.md) · [All operations](https://skmtc.dev/sea-lion/apis/litellm-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/sea-lion/litellm-api/revisions/2a0f7cdf92d8/schema)