Verify domain DNS records

Trigger domain verification in Resend to check if DNS records are correctly configured. This updates the domain status based on Resend's verification results.

curl -X POST "https://example.com/domains/verify"

{
  "domain": {}
}

{
  "error": "string",
  "needsConfig": true
}

{
  "error": "Invalid API key",
  "message": "string"
}

{
  "error": "Invalid API key",
  "message": "string"
}