Correios vs KDNiao (快递鸟)
If you need a Tracking API that's easy to integrate, go with Correios.
KDNiao (快递鸟)
Express delivery tracking for 400+ Chinese and international carriers — .NET, PHP, Java SDKs
Correios
- Simple API key authentication
- HTTPS supported
KDNiao (快递鸟)
- No authentication required
- No HTTPS support
- Currently flagged as inactive
| Feature | Correios | KDNiao (快递鸟) |
|---|---|---|
| Authentication | apiKey | None |
| HTTPS | Yes | No |
| CORS | Unknown | Unknown |
When to use which?
KDNiao (快递鸟) is the better choice for quick prototypes and hackathons since it requires no authentication. Correios supports HTTPS, which is required for production deployments and secure data handling.