---
title: "Validate and normalize a GL String (^ | + ~ / grammar)"
method: POST
path: "/v1/glstring"
---

# Validate and normalize a GL String (^ | + ~ / grammar)

`POST /v1/glstring`

## Request

- Base URL: `https://api.hlaverify.com`
- URL: `https://api.hlaverify.com/v1/glstring`
- Auth: one of:
  - none
  - API key in header `X-API-Key`

## Request body

- object
  - `gl` string, required

## Response `200`

release, valid, normalized_gl, changed, loci, alleles, issues, counts, attribution

## Other responses

- `422`: invalid input

---

[API](https://skmtc.dev/hlaverify/apis/hla-verify.md) · [All operations](https://skmtc.dev/hlaverify/apis/hla-verify/llms.txt) · [OpenAPI document](https://skmtc.dev/hlaverify/apis/hla-verify/revisions/40cd5e7d134d?raw)