Read Spark BTC/Lightning balances

Request

• Base URL
  http://localhost:3200
• Auth
  • API key in header X-Steward-API-Key
  • or HTTP bearer
• TypeScript
  https://skmtc.dev/steward-fi/apis/steward-api/docs/v1/adapters/spark/wallets/:walletId/balance/get.ts

  A function with typed inputs. Its response is checked against the schema.