---
title: "Get captcha challenge"
method: GET
path: "/captcha"
tags: ["Authentication"]
---

# Get captcha challenge

`GET /captcha`

Returns a new captcha challenge for spam prevention. 
Users must solve the captcha before certain actions can be performed.
Requires signed fetch authentication.

## Response `200`

Captcha challenge generated successfully

- object
  - `challenge` string, required — Captcha challenge identifier
  - `imageUrl` string, uri, required — Base64 encoded image URL for the captcha
  - `expiresAt` string, date-time, required — Challenge expiration timestamp

## Other responses

- `401` — Unauthorized - invalid signed fetch
- `403` — Forbidden - invalid metadata or user is flagged

---

[API](https://skmtc.net/decentraland/apis/realm-provider-api.md) · [All operations](https://skmtc.net/decentraland/apis/realm-provider-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/decentraland/realm-provider-api/revisions/d94e0e0f1821/schema)