Overview

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The DomChekr REST API lets you programmatically manage watchlists, check domain availability, and receive real-time events via webhooks.

Base URL

https://api.domchekr.com/v1

All endpoints are served over HTTPS. HTTP requests are redirected to HTTPS.

Authentication

Requests are authenticated with an API key passed in the Authorization header:

Authorization: Bearer <YOUR_API_KEY>

You can generate and revoke API keys from Settings → API in the dashboard.

Request & response format

All request bodies must be application/json. All responses are application/json.

Content-Type: application/json
Accept: application/json

Rate limits

Plan	Requests per minute
Free	30
Pro	300
Business	3 000

When the limit is exceeded, the API responds with 429 Too Many Requests and a Retry-After header indicating when you can retry.

Errors

All errors follow a consistent shape:

{
  "error": {
    "code": "domain_not_found",
    "message": "No domain with that ID exists in your account."
  }
}

Common HTTP status codes:

Status	Meaning
`400`	Bad request — invalid or missing parameters
`401`	Unauthorized — missing or invalid API key
`403`	Forbidden — action not allowed on this resource
`404`	Not found
`429`	Rate limit exceeded
`500`	Internal server error

Versioning

The API is versioned via the URL path (/v1). Breaking changes will introduce a new version. Previous versions are supported for at least 12 months after a new version is released.

Next steps

API Reference — full endpoint reference
Webhooks — receive real-time domain events