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BlockCypher

BlockCypher — Blockchain web services API supporting Bitcoin, Ethereu…

🪙 Crypto & Web3UNMONITORED
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.

—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.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())
Endpoints · 6On scheduleFULL DOCS ↗
On schedule — GET /v1/btc/main awaits first probe
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

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

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 (Unpublished).

Can I call BlockCypher from the browser?

Yes — BlockCypher 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 BlockCypher up right now?

BlockCypher 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.