HTTP Status 425 - Too Early

POST /api/orders HTTP/1.1
Host: api.example.com
Content-Type: application/json
Early-Data: 1

{"product_id": 42, "quantity": 2}

HTTP/1.1 425 Too Early
Content-Type: application/json

{
  "error": "early_data_rejected",
  "message": "Non-idempotent requests not accepted in TLS Early Data",
  "details": "Request will be replayed after TLS handshake completes",
  "retry": "Automatic retry on full TLS connection"
}

POST /api/payments HTTP/1.1
Host: secure.example.com
Content-Type: application/json
Early-Data: 1
Authorization: Bearer token123

{"amount": 100, "currency": "USD", "card": "****1234"}

HTTP/1.1 425 Too Early
Content-Type: application/json

{
  "status": 425,
  "error": "too_early",
  "message": "Payment requests cannot be processed in TLS Early Data",
  "reason": "Protection against replay attacks",
  "action": "Retry after TLS handshake completion"
}

DELETE /api/accounts/42 HTTP/1.1
Host: api.example.com
Early-Data: 1
Authorization: Bearer token123

HTTP/1.1 425 Too Early
Content-Type: text/plain

Error: Account deletion cannot be processed in TLS Early Data.
This operation is not idempotent and could be subject to replay attacks.
Please retry after TLS handshake completes.