Affirmations.dev vs TasteDive

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms590325
P95 · ms10812265
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Affirmations.dev vs TasteDive: common questions

Which is more reliable, Affirmations.dev or TasteDive?

Both are neck-and-neck — Affirmations.dev and TasteDive each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Affirmations.dev or TasteDive?

TasteDive has the lower median latency in our checks — Affirmations.dev responds in 590 ms versus TasteDive at 325 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do Affirmations.dev and TasteDive need an API key?

Affirmations.dev needs no key, while TasteDive requires a free API key. If you want to start calling without signup, reach for Affirmations.dev first.

Can I call Affirmations.dev and TasteDive from the browser?

Neither sends browser-friendly CORS headers reliably, so call Affirmations.dev and TasteDive from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Affirmations.dev and TasteDive free for commercial use?

Affirmations.dev has unclear commercial terms, and TasteDive 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.