Zerion API offers day-one support for Arc mainnet

Zerion is rolling out immediate API support for Arc, Circle’s stablecoin-focused blockchain, when the network goes live on September 16, 2026. The integration means developers already plugged into Zerion’s infrastructure won’t need to touch a single line of code to start pulling data from the new chain. What Zerion is actually shipping The API support covers the core toolkit developers need to build anything from portfolio trackers to full-blown DeFi dashboards. Token balances, historical transaction data, and webhook-based notifications will all be available the moment Arc’s mainnet opens for business. For existing Zerion integrators, the process is essentially invisible. If you’re already querying Zerion’s API across any of its supported chains, Arc data flows through the same pipes. No migration, no new endpoints, no weekend spent rewriting data connectors. Zerion currently supports over 40 EVM-compatible chains plus Solana. The announcement landed on September 11, five days before the mainnet launch. Arc: the blockchain designed for people in suits Arc isn’t trying to be another general-purpose smart contract platform. Built by Circle, it’s specifically engineered for stablecoi...