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BlockCypher

BlockCypher — Blockchain web services API supporting Bitcoin, Ethereu…

🪙 Crypto & Web3DYINGchecked 12h ago
AUTH NONECORS ✗AGENT ✓HTTPS ✓COMMERCIAL ?

BlockCypher exposes blockchain web services API supporting Bitcoin, Ethereum, Litecoin, and Dogecoin with webhooks and transaction broadcasting. We verified a keyless GET endpoint returning JSON (Cryptocurrency). Check the provider docs for rate limits and terms before production use.

59HOW IT'S SCORED ⓘ
Docs ↗
Status badge · for your READMEshipapis health badge: 59 · dying
Uptime history
30.4%90 days
36.7%30 days
145P50 · ms
1129P95 · ms
operationalpartialdownno data
Response time · last 48 checks
Fastest 45 ms, slowest 1129 ms, most recent 145 ms.
Live response samplecaptured by our last successful check
GET https://api.blockcypher.com/v1/btc/main

{
  "name": "BTC.main",
  "height": 956831,
  "hash": "00000000000000000001fdc494491e3ef06805b2089c55b34d0258160c09b068",
  "time": "2026-07-05T20:20:55.71532679Z",
  "latest_url": "https://api.blockcypher.com/v1/btc/main/blocks/00000000000000000001fdc494491e3ef06805b2089c55b34d0258160c09b068",
  "previous_hash": "00000000000000000001c8f3736aa1ff393e7c53c6536b8d1951574aee9f8d0a",
  "previous_url": "https://api.blockcypher.com/v1/btc/main/blocks/00000000000000000001c8f3736aa1ff393e7c53c6536b8d1951574aee9f8d0a",
  "peer_count": 324
}
Call itcurl · fetch · python
curl "https://api.blockcypher.com/v1/btc/main"
const res = await fetch("https://api.blockcypher.com/v1/btc/main");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://api.blockcypher.com/v1/btc/main")
print(res.json())

BROWSER CALLS BLOCKED (NO CORS/HTTPS) — USE THE CURL SNIPPET

Endpoints · 6DyingFULL DOCS ↗
Dying — error rate climbing on GET /v1/btc/main145 mschecked 12h ago
GET/v1/btc/mainPROBED

BlockCypher — Blockchain web services API supporting Bitcoin, Ethereu…

GET/v1

V1 — documented GET route.

GET/v1/1

V1 details by ID (example: 1).

GET/v1?limit=10

V1 — documented GET route.

GET/v1/search?q=test

Search by query parameters.

GET/v1/

V1 — 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.

BlockCypher: common questions

Is BlockCypher free to use?

Yes — BlockCypher 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 BlockCypher need an API key?

No — BlockCypher needs no API key or signup. You can call it straight away; rate limits still apply (Retry-After: 1787s).

Can I call BlockCypher from the browser?

Not directly — BlockCypher doesn't send browser-friendly CORS headers, so call it from a server or proxy instead. Copy the curl or Python snippet on this page to get started.

Is BlockCypher up right now?

As of our last scheduled check, BlockCypher is dying with 30.4% uptime over 90 days and a 145 ms median response. We re-probe it every sweep — the status badge and uptime chart above always show the latest.