api.md

Chronik API Reference

HTTP Endpoints

GET /block/:hash_or_height       # Get block
GET /tx/:txid                    # Get transaction
POST /broadcast-tx                # Broadcast transaction
GET /script/:type/:payload/utxos  # UTXOs
GET /script/:type/:payload/history # History
GET /token/:txid                 # Token info

WebSocket Message Types

BLK_CONNECTED        # Block connected
BLK_DISCONNECTED     # Block disconnected
BLK_FINALIZED        # Block Avalanche finalized
TX_ADDED_TO_MEMPOOL  # Tx entered mempool
TX_REMOVED_FROM_MEMPOOL # Tx removed from mempool
TX_CONFIRMED         # Tx confirmed
TX_FINALIZED        # Tx Avalanche finalized

Token Types

// SLP
SLP_TOKEN_TYPE_FUNGIBLE = 1
SLP_TOKEN_TYPE_NFT1_GROUP = 0x81
SLP_TOKEN_TYPE_NFT1_CHILD = 0x41

// ALP
ALP_TOKEN_TYPE_STANDARD = 0

Recommended Nodes

https://chronik.e.cash
http://localhost:8331 (local Bitcoin ABC)