Metadapi Zip Code vs PostalCodes
Same instrument, two spec sheets — measured, not claimed.
Metadapi Zip Code vs PostalCodes: common questions
Which is more reliable, Metadapi Zip Code or PostalCodes?
On our scheduled checks, PostalCodes leads on measured uptime — Metadapi Zip Code at —% versus PostalCodes at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Do Metadapi Zip Code and PostalCodes need an API key?
PostalCodes needs no key, while Metadapi Zip Code requires a free API key. If you want to start calling without signup, reach for PostalCodes first.
Can I call Metadapi Zip Code and PostalCodes from the browser?
Neither sends browser-friendly CORS headers reliably, so call Metadapi Zip Code and PostalCodes from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are Metadapi Zip Code and PostalCodes free for commercial use?
Metadapi Zip Code has unclear commercial terms, and PostalCodes has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.