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Findwork vs The SMS Works API

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

APIFindworkHEALTHY93The SMS Works APIHEALTHY94
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms481518
P95 · ms19151101
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree tier — API key required
Rate limit4294967295 req/window · 4294967295 remaining · resets 0Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Findwork vs The SMS Works API: common questions

Which is more reliable, Findwork or The SMS Works API?

Both are neck-and-neck — Findwork and The SMS Works API 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, Findwork or The SMS Works API?

Findwork has the lower median latency in our checks — Findwork responds in 481 ms versus The SMS Works API at 518 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 Findwork and The SMS Works API need an API key?

Both ask you to authenticate — Findwork uses an API key and The SMS Works API uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Findwork and The SMS Works API from the browser?

Only The SMS Works API is browser-friendly — it returns CORS headers over HTTPS. Findwork needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Findwork and The SMS Works API free for commercial use?

Findwork has unclear commercial terms, and The SMS Works API 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.