---
title: "Proxy V1"
method: GET
path: "/tokenwise/v1/{path}"
---

# Proxy V1

`GET /tokenwise/v1/{path}`

Catch-all for the Anthropic-compatible surface (``/v1/messages``, etc.).

Gated on a Tokenwise subscription (OPSS-55); the A/B ``/on`` and ``/off`` arms are
intentionally left ungated.

## Path parameters

- `path` string, required

## Headers

- `X-AI21-Key` string

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/ai21/apis/ai21-studio-api.md) · [All operations](https://skmtc.net/ai21/apis/ai21-studio-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/ai21/ai21-studio-api/versions/4cf5219c90d1/schema)