S256 Block Explorer API

Access blockchain data programmatically without running a local wallet. All endpoints return JSON data and can be accessed via standard HTTP GET requests.

Base URL: https://explorer.sha256coin.eu/api/

Blockchain Info Blocks Transactions Addresses Search Daemon APIs Network Stats

📊 Blockchain Information

GET /api/blockchain-info

Returns current blockchain information including height, difficulty, connections, and network hashrate.

Example Request:

curl https://explorer.sha256coin.eu/api/blockchain-info

Example Response:

{
  "blocks": 12500,
  "difficulty": 0.00024414,
  "networkhashps": 12345678,
  "connections": 8
}

GET /api/supply

Returns the current circulating supply of S256.

Example Request:

curl https://explorer.sha256coin.eu/api/supply

Example Response:

{
  "supply": 1250000.00000000
}

🧱 Blocks

GET /api/blocks/recent/:count?

Returns recent blocks. Optional count parameter (default: 20).

Parameter	Type	Description
count	integer	Number of blocks to return (optional, default: 20)
page	integer	Page number for pagination (query parameter)

Example Request:

curl https://explorer.sha256coin.eu/api/blocks/recent/10?page=1

GET /api/block/:hashOrHeight

Returns detailed information about a specific block by hash or height.

Parameter	Type	Description
hashOrHeight	string/integer	Block hash or block height

Example Request (by height):

curl https://explorer.sha256coin.eu/api/block/1000

Example Request (by hash):

curl https://explorer.sha256coin.eu/api/block/00000000abe2a78ceb00eca81258804d59fe4ad45345e1750e705139e6da7297

💳 Transactions

GET /api/tx/:txid

Returns detailed information about a specific transaction.

Parameter	Type	Description
txid	string	Transaction ID (hash)

Example Request:

curl https://explorer.sha256coin.eu/api/tx/328fbe73f2b764658b57a0ac538d67e59b5c6bcde2c266a71bbb842f5430d595

GET /api/mempool

Returns transactions currently in the mempool (unconfirmed).

Example Request:

curl https://explorer.sha256coin.eu/api/mempool

📬 Addresses

GET /api/address/:address

Returns information about an address including balance, transaction count, and transaction history.

Parameter	Type	Description
address	string	S256 address (s2... bech32 or S... legacy format)

Example Request:

curl https://explorer.sha256coin.eu/api/address/S1A2B3C4D5E6F7G8H9

Example Response:

{
  "address": "S1A2B3C4D5E6F7G8H9",
  "balance": 100.50000000,
  "received": 250.00000000,
  "sent": 149.50000000,
  "txCount": 15,
  "transactions": [...]
}

🔍 Search

GET /api/search/:query

Universal search endpoint. Automatically detects if query is a block height, block hash, transaction ID, or address.

Parameter	Type	Description
query	string	Block height, block hash, transaction ID, or address

Example Request:

curl https://explorer.sha256coin.eu/api/search/1000

Example Response:

{
  "type": "block",
  "data": { ... }
}

⚙️ Daemon APIs (RPC Passthrough)

GET /api/getblockcount

Returns the current block height (number of blocks in the longest blockchain).

Example Request:

curl https://explorer.sha256coin.eu/api/getblockcount

Example Response:

{
  "blockcount": 12500
}

GET /api/getdifficulty

Returns the current mining difficulty.

Example Request:

curl https://explorer.sha256coin.eu/api/getdifficulty

Example Response:

{
  "difficulty": 0.00024414
}

GET /api/getnetworkhashps

Returns the estimated network hash rate (hashes per second).

Example Request:

curl https://explorer.sha256coin.eu/api/getnetworkhashps

Example Response:

{
  "networkhashps": 12345678.90
}

GET /api/getinfo

Returns comprehensive network information including version, protocol, connections, and more.

Example Request:

curl https://explorer.sha256coin.eu/api/getinfo

📈 Network Statistics

GET /api/stats/history

Returns historical network statistics (difficulty, hashrate, connections over time).

Parameter	Type	Description
hours	integer	Number of hours of history (default: 24, query parameter)

Example Request:

curl https://explorer.sha256coin.eu/api/stats/history?hours=48

GET /api/health

Returns the health status of the explorer and its connection to the blockchain node.

Example Request:

curl https://explorer.sha256coin.eu/api/health

Example Response:

{
  "status": "ok",
  "database": "connected",
  "node": "connected",
  "lastSync": "2025-12-23T18:00:00.000Z"
}

Rate Limiting

The search endpoint is rate-limited to 30 requests per minute per IP address. Other endpoints currently have no rate limits but please use responsibly.

Support

For questions or issues with the API, please visit: Discord | Telegram | GitHub