Postman Echo vs SEO Score
Same instrument, two spec sheets — measured, not claimed.
Postman Echo vs SEO Score: common questions
Which is more reliable, Postman Echo or SEO Score?
On our scheduled checks, SEO Score leads on measured uptime — Postman Echo at —% versus SEO Score 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 Postman Echo and SEO Score need an API key?
Postman Echo needs no key, while SEO Score requires a free API key. If you want to start calling without signup, reach for Postman Echo first.
Can I call Postman Echo and SEO Score from the browser?
Neither sends browser-friendly CORS headers reliably, so call Postman Echo and SEO Score from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are Postman Echo and SEO Score free for commercial use?
Postman Echo has unclear commercial terms, and SEO Score 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.