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Affirmations.dev vs Rejection Reason Generator

Same instrument, two spec sheets — measured, not claimed.

APIAffirmations.devNEW—Rejection Reason GeneratorNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Affirmations.dev vs Rejection Reason Generator: common questions

Which is more reliable, Affirmations.dev or Rejection Reason Generator?

On our scheduled checks, Rejection Reason Generator leads on measured uptime — Affirmations.dev at —% versus Rejection Reason Generator 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 Affirmations.dev and Rejection Reason Generator need an API key?

Neither needs a paid key — Affirmations.dev is callable with no signup, and Rejection Reason Generator is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Affirmations.dev and Rejection Reason Generator from the browser?

Only Rejection Reason Generator is browser-friendly — it returns CORS headers over HTTPS. Affirmations.dev needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Affirmations.dev and Rejection Reason Generator free for commercial use?

Affirmations.dev has unclear commercial terms, and Rejection Reason Generator 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.