NEXA API
High-performance blockchain data API with caching and rate limiting.
API Information
This API provides access to Nexa blockchain data through optimized Electrum server connections using Rostrum protocol methods.
- Intelligent caching for improved performance
- Request deduplication to reduce server load
- Automatic failover across multiple servers
- Rate limiting: 120 requests/min (standard), 60 requests/min (broadcast)
Address Endpoints
GET
/balance/:address
Get NEXA balance for an address
Params: address (string)
GET
/transactions/:address
Get transaction history for an address
Query: limit, offset
GET
/utxos/:address
Get unspent transaction outputs
Params: address (string)
Token Endpoints
GET
/tokenbalance/:address
Get token balance for an address
Params: address (string)
GET
/tokentransactions/:address
Get token transaction history
Query: limit, offset
GET
/genesis/:group
Get token genesis information
Params: group (string)
GET
/nftlist/:group
Get list of NFTs in a group
Params: group (string)
Transaction Endpoints
GET
/tx/:txhash
Get decoded transaction data
Params: txhash (hex string)
GET
/rawtx/:txhash
Get raw transaction hex
Params: txhash (hex string)
GET
/broadcast/:tx
Broadcast a signed transaction
Params: tx (hex string)
Blockchain Endpoints
GET
/headers
Get current block headers
Params: none
Advanced Endpoints
GET
/metrics
Get API performance metrics
Params: none