---
title: "Check test.network availability"
method: GET
path: "/agent/dns/test-domains/check/{subdomain}"
tags: ["DNS"]
---

# Check test.network availability

`GET /agent/dns/test-domains/check/{subdomain}`

## Request

- Base URL: `https://edge.network`
- URL: `https://edge.network/agent/dns/test-domains/check/{subdomain}`
- Auth: HTTP bearer

Whether a test.network subdomain is available to register.

## Path parameters

- `subdomain` string, required

## Response `200`

Success.

- TellUserEnvelope: Standard success envelope. Endpoint-specific fields ride alongside tell_user.
  - `tell_user` string, required: Human-readable summary of what happened, for the agent to relay to its operator.

## Other responses

- `400`: Validation error — the response body explains what to fix.
- `401`: Missing or invalid agent access code. The body includes self-signup pointers.
- `429`: Rate limited. Honour Retry-After and the RateLimit-* headers before retrying.

---

[API](https://skmtc.dev/edge/apis/edge-network-agent-api.md) · [All operations](https://skmtc.dev/edge/apis/edge-network-agent-api/llms.txt) · [OpenAPI document](https://skmtc.dev/edge/apis/edge-network-agent-api/revisions/49b5f2adf020?raw)