API Reference

Programmatic access to cross-chain bridging routes, tokens, chains, and transaction activity

The Superbridge API provides programmatic access to cross-chain bridging routes, token information, chain data, and transaction activity.

Where the Superbridge API differs from other cross-chain APIs is our focus on native, canonical asset bridging. That means no fees, fee proxies, or unintended side effects. The Superbridge API is built around hard or costly to index protocols and we do our best to make it easy to integrate with these flows.

Base URL

All API requests should be made to:

https://api.superbridge.app

Authentication

All requests require an API key passed via the x-api-key header. See Authentication for details.

Endpoints

• /v1/chains — List supported chains
• /v1/tokens — List supported tokens
• /v1/routes — Get bridging routes
• /v1/activity — Get transaction activity
• /v1/get_step_transaction — Get step transaction data
• /v1/index_transaction — Notify the indexer about a submitted transaction