JS code example for querying the SLP balance of an address.

bcash-calls.js

const axios = require('axios').default

const bchAddress = 'bitcoincash:qpnty9t0w93fez04h7yzevujpv8pun204qv6yfuahk'

const SERVER = process.env.SERVER

// Get SLP balance of an address
const slpBalances = async (address) => {
  try {
    if (!address || typeof address !== 'string') {
      throw new Error('address must be string')
    }

    const options = {
      method: 'GET',
      url: `${SERVER}coin/address/${address}?slp=true`
    }
    // Get UTXOs of an address
    const result = await axios(options)
    const utxos = result.data
    console.log(`UTXOS : ${utxos.length}`)

    // Filter SLP UTXOs
    const slpUtxos = utxos.filter((val) => val.slp)

    console.log(`slpUtxos : ${slpUtxos.length}`)
    console.log(slpUtxos)
    return slpUtxos
  } catch (error) {
    console.log(error)
    throw error
  }
}

slpBalances(bchAddress)