---
title: "List Models"
method: GET
path: "/v1/models"
tags: ["anthropic-compat"]
---

# List Models

`GET /v1/models`

## Request

- Base URL: `https://api.fastino.ai`
- URL: `https://api.fastino.ai/v1/models`
- Auth: none required
- TypeScript: <https://skmtc.dev/fastino-ai/apis/pioneer-inference-api/docs/v1/models/get.ts> (a function with typed inputs; its response is checked against the schema)

List available Anthropic-compatible models.

Authentication is optional. Anonymous callers receive the public runtime
catalog; authenticated callers also receive their user-scoped decoder
fine-tunes.

## Query parameters

- `limit` integer, nullable
- `before_id` string, nullable
- `after_id` string, nullable
- `client_version` string, nullable

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

## Changes

- **2026-09-23** `620970c6f5f2`: 1 breaking, 4 warning, 10 info
  - the response's body type changed from `object` to no type for status `200`
  - removed the optional property `data` from the response with the `200` status
  - removed the optional property `first_id` from the response with the `200` status
  - removed the optional property `has_more` from the response with the `200` status
  - …11 more

[Operation history](https://skmtc.dev/fastino-ai/apis/pioneer-inference-api/changes/v1/models/get.md)

---

[API](https://skmtc.dev/fastino-ai/apis/pioneer-inference-api.md) - [All operations](https://skmtc.dev/fastino-ai/apis/pioneer-inference-api/llms.txt) - [OpenAPI document](https://skmtc.dev/fastino-ai/apis/pioneer-inference-api/revisions/81465e18c1d2?raw)