#arbitrum-orbit

Live EVM on-chain data for Superposition (chain id 55244) — an Arbitrum-Orbit DeFi Layer-3 with ETH gas and on-chain yield-bearing Super Assets — served directly from the public Superposition JSON-RPC with server-side resilience. The status endpoint returns the chain and network id, the latest block height and the node client version. The block endpoint returns a block by number (or the latest) with its hash, parent hash, timestamp, transaction count, gas used and gas limit, miner and size. The gas endpoint returns the current gas price in both wei and gwei. The balance endpoint returns the ETH balance and outgoing transaction count for any address, converted from base wei (18 decimals) into whole ETH with exact big-integer scaling. Every figure is read live from the chain over JSON-RPC — nothing bundled or modelled — behind a short server-side cache with keep-warm so the feed stays fast and fresh. Ideal for explorers, wallet and dashboard tooling, gas trackers, address monitors and DeFi analytics across the Superposition and Arbitrum-Orbit ecosystem. Live keyless upstream. 5 endpoints.

api.oanor.com/superposition-api

Real-time on-chain data for Gravity (Gravity Alpha Mainnet, chain-id 1625) — the high-performance chain by Galxe built on the Arbitrum Nitro stack, using G as its native gas token. Query live network status (latest block height, network id, client version), fetch any block by height or the latest one (timestamp, transaction count, gas used / limit, base fee, miner), read the current gas price in wei and gwei, and look up the native G balance and transaction count of any address. A keyless, no-account JSON wrapper over the canonical Gravity JSON-RPC node — decoded from hex into plain decimals and human-readable G so you do not have to. Ideal for explorers, wallets, dashboards, gas estimators and analytics on the Gravity chain.

api.oanor.com/gravity-api

Live on-chain data for RARI Chain mainnet (an Arbitrum-Orbit NFT-focused Ethereum L3, native ETH) via Blockscout — no key. Read network stats (block height, total transactions, gas), a gas oracle in gwei, the most recent blocks and full block detail by height or hash, any address balance and contract info, full transaction detail, ERC-20 token detail by contract, and a universal search across addresses, tokens, blocks and transactions. Real chain data with the rotating proxy as automatic fallback — 9 endpoints. Ideal for wallets, explorers, NFT tooling, portfolio trackers and on-chain monitoring on RARI Chain.

api.oanor.com/rari-api

Live Perennial on-chain data via Blockscout. Perennial is a DeFi derivatives Ethereum L2 built on Arbitrum Orbit; gas and balances are in ETH. Network stats, gas prices, latest blocks, a block by height or hash, address detail with ETH balance, a transaction by hash, ERC-20 token metadata and a universal search across addresses, tokens, blocks and transactions. Real data, no key.

api.oanor.com/perennial-api

Live Degen Chain on-chain data via Blockscout. Degen Chain is a Farcaster-community L3 built on Arbitrum Orbit; gas and balances are in DEGEN. Network stats, gas prices, latest blocks, a block by height or hash, address detail with DEGEN balance, a transaction by hash, ERC-20 token metadata and a universal search across addresses, tokens, blocks and transactions. Real data, no key.

api.oanor.com/degen-api

Live Xai on-chain data via Blockscout. Xai is a gaming-focused Arbitrum-Orbit L3; gas and balances are in XAI. Network stats, gas prices, latest blocks, a block by height or hash, address detail with XAI balance, a transaction by hash, ERC-20 token metadata and a universal search across addresses, tokens, blocks and transactions. Real data, no key.

api.oanor.com/xai-api