CORS Checker API

Check CORS behavior for a URL and origin. Use it in API audits, frontend debugging, security checks, and developer support workflows.

Endpoint

POST /v1/utility/cors/check

Request body

Field	Type	Required	Description
`url`	`string`	Yes	URL to check for CORS behavior.
`origin`	`string`	No	Origin to send in the check request. Defaults to `https://example.com`.

Example request

curl --request POST \
  --url https://apimask-email-domain-validation-api.p.rapidapi.com/v1/utility/cors/check \
  --header "Content-Type: application/json" \
  --header "X-RapidAPI-Key: $RAPIDAPI_KEY" \
  --header "X-RapidAPI-Host: apimask-email-domain-validation-api.p.rapidapi.com" \
  --data '{"url":"https://api.example.com","origin":"https://app.example.com"}'

Example response

{
  "success": true,
  "data": {
    "url": "https://api.example.com",
    "status_code": 200,
    "allows_origin": true,
    "allows_credentials": false,
    "allowed_methods": ["GET", "POST"],
    "exposed_headers": [],
    "risk_level": "low",
    "warnings": []
  },
  "error": null,
  "meta": {}
}

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