Returns the next available liquidity pool's id at a given block height. If no block is specified, it returns the latest list available.
Block identifier, as the block height or block hash.
GET /pallets/asset-conversion/next-available-id HTTP/1.1 Host: dot-playbook.nownodes.io Accept: */*
successful operation
{ "at": { "hash": "text", "height": "text" }, "id": "4" }