---
title: "Proxy Foundry V1"
method: PATCH
path: "/tokenwise/foundry/{resource}/v1/{path}"
---

# Proxy Foundry V1

`PATCH /tokenwise/foundry/{resource}/v1/{path}`

## Request

- Base URL: `https://api.ai21.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.ai21.com/tokenwise/foundry/{resource}/v1/{path}`
- Auth: none declared

Anthropic-compatible surface on a listed Microsoft Foundry resource.

## Path parameters

- `resource` string, required
- `path` string, required

## Headers

- `X-AI21-Key` string

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

## Changes

- **2026-11-02** `f86f599211ec`: 1 info
  - api operation id `proxy_foundry_v1_tokenwise_foundry__resource__v1__path__put` removed and replaced with `proxy_foundry_v1_tokenwise_foundry__resource__v1__path__options`
- **2026-11-02** `8fdc7d6bf73a`: 1 info
  - api operation id `proxy_foundry_v1_tokenwise_foundry__resource__v1__path__post` removed and replaced with `proxy_foundry_v1_tokenwise_foundry__resource__v1__path__put`
- **2026-11-02** `20b015200ff9`: 1 info
  - api operation id `proxy_foundry_v1_tokenwise_foundry__resource__v1__path__patch` removed and replaced with `proxy_foundry_v1_tokenwise_foundry__resource__v1__path__post`
- **2026-11-02** `0827c048f0b0`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/ai21/apis/ai21-studio-api/changes/tokenwise/foundry/:resource/v1/:path/patch.md)

---

[API](https://skmtc.dev/ai21/apis/ai21-studio-api.md) - [All operations](https://skmtc.dev/ai21/apis/ai21-studio-api/llms.txt) - [OpenAPI document](https://skmtc.dev/ai21/apis/ai21-studio-api/revisions/f86f599211ec?raw)