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isEven (humor)

The API that reveals whether a number is even

🔭 Science & SpaceHEALTHYchecked 12h ago
AUTH NONECORS ✓AGENT ✓HTTPS ✓COMMERCIAL ?

A tongue-in-cheek service that takes a number in the URL path and tells you, in JSON, whether it is even. The free tier even bundles a random text advertisement in every response. Gloriously unnecessary and thoroughly keyless.

89HOW IT'S SCORED ⓘ
▶ Run liveDocs ↗
Status badge · for your READMEshipapis health badge: 89 · healthy
Uptime history
98.0%90 days
98.3%30 days
573P50 · ms
2965P95 · ms
operationalpartialdownno data
Response time · last 48 checks
Fastest 253 ms, slowest 1248 ms, most recent 507 ms.
Live response samplecaptured by our last successful check
GET https://api.isevenapi.xyz/api/iseven/6/

{
  "iseven": true,
  "ad": "SURGEON WANTED for a new heath clinic opening in SF. No experience needed. Must have own tools. Call 407-555-5400"
}
Call itcurl · fetch · python
curl "https://api.isevenapi.xyz/api/iseven/6/"
const res = await fetch("https://api.isevenapi.xyz/api/iseven/6/");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://api.isevenapi.xyz/api/iseven/6/")
print(res.json())
Endpoints · 6HealthyFULL DOCS ↗
Monitored path responding — GET /api/iseven/6/573 mschecked 12h ago
GET/api/iseven/6/PROBED

The API that reveals whether a number is even

GET/api/iseven

Iseven — documented GET route.

GET/api/iseven/1

Iseven details by ID (example: 1).

GET/api

Api — documented GET route.

GET/api/1

Api details by ID (example: 1).

GET/api?limit=10

Api — documented GET route.

Machine-readable spec

We probe a documented GET and expect 2xx JSON — full uptime and health score. Export includes every documented route below.

Response-shape history

Stable. No schema drift observed since monitoring began — the response shape has not changed under our checks.

isEven (humor): common questions

Is isEven (humor) free to use?

Yes — isEven (humor) is a free science & space API. Free tier: Free tier limited to numbers 0–999,999 with ads (per site's joke pricing). Whether the free tier allows commercial use is unclear — check the provider docs.

Does isEven (humor) need an API key?

No — isEven (humor) needs no API key or signup. You can call it straight away; rate limits still apply (Unpublished).

Can I call isEven (humor) from the browser?

Yes — isEven (humor) returns CORS headers over HTTPS, so front-end code can fetch it directly with no backend proxy. Use the fetch snippet on this page, or hit "Run live" to try it now.

Is isEven (humor) up right now?

As of our last scheduled check, isEven (humor) is healthy with 98.0% uptime over 90 days and a 573 ms median response. We re-probe it every sweep — the status badge and uptime chart above always show the latest.