---
title: "Return a list of information about all supported NAACCR versions"
method: GET
path: "/rest/naaccr/versions"
tags: ["naaccr"]
---

# Return a list of information about all supported NAACCR versions

`GET /rest/naaccr/versions`

## Request

- Base URL: `https://api.seer.cancer.gov`
- URL: `https://api.seer.cancer.gov/rest/naaccr/versions`
- Auth: API key in header `X-SEERAPI-Key`
- TypeScript: <https://skmtc.dev/cancer/apis/seer-api/docs/rest/naaccr/versions/get.ts> (a function with typed inputs; its response is checked against the schema)

## Response `200`

Success

- NaaccrVersion[]
  - `version` string
  - `year_implemented` integer
  - `date_of_publication` string, date-time

---

[API](https://skmtc.dev/cancer/apis/seer-api.md) - [All operations](https://skmtc.dev/cancer/apis/seer-api/llms.txt) - [OpenAPI document](https://skmtc.dev/cancer/apis/seer-api/revisions/2ab11538b3c7?raw)