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0x

0x — keyless JSON API

🪙 Crypto & Web3UNMONITORED
AUTH NONECORS ✓AGENT ?HTTPS ✓COMMERCIAL ?

0x. API for querying token and pool stats across various liquidity pools

—HOW IT'S SCORED ⓘ
▶ Run liveDocs ↗
Status badge · for your READMEshipapis health badge: — · unmonitored
ON PROBE SCHEDULE

We probe a documented GET and expect 2xx JSON — full uptime and health score. Open provider docs ↗

Uptime historystarts after first probe

On our probe schedule. Uptime charts appear after the first check lands.

Example responsefrom provider docs — not verified by us
GET https://api.0x.org/

{
  "message": "This is the root of the 0x API. Visit https://0x.org/docs/ for documentation."
}
Call itcurl · fetch · python
curl "https://api.0x.org/"
const res = await fetch("https://api.0x.org/");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://api.0x.org/")
print(res.json())
Endpoints · 2On scheduleFULL DOCS ↗
On schedule — GET / awaits first probe
GET/PROBED

0x — keyless JSON API

GET/?limit=5

Paginated variant with limit parameter.

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

Not tracked yet. Shape-change history starts once this API joins our probe schedule.

0x: common questions

Is 0x free to use?

Yes — 0x is a free crypto & web3 API. Free tier: Free — limits not published. Whether the free tier allows commercial use is unclear — check the provider docs.

Does 0x need an API key?

No — 0x needs no API key or signup. You can call it straight away; rate limits still apply (Unpublished).

Can I call 0x from the browser?

Yes — 0x 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 0x up right now?

0x is catalogued but not yet on our probe schedule, so we don't publish a live status for it. Check the provider's own status page or docs for its current state.