Mockaroo vs Shotstack

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms5291167
P95 · ms20392832
AuthapiKeyapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Mockaroo vs Shotstack: common questions

Which is more reliable, Mockaroo or Shotstack?

Both are neck-and-neck — Mockaroo and Shotstack 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, Mockaroo or Shotstack?

Mockaroo has the lower median latency in our checks — Mockaroo responds in 529 ms versus Shotstack at 1167 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 Mockaroo and Shotstack need an API key?

Both ask you to authenticate — Mockaroo uses an API key and Shotstack 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 Mockaroo and Shotstack from the browser?

Yes — both Mockaroo and Shotstack send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Mockaroo and Shotstack free for commercial use?

Mockaroo has unclear commercial terms, and Shotstack 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.