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Welcome to Uniblock’s API Reference. Use this page to quickly find the right API for your use case, learn what Uniblock does for each request, and jump to supported chains.

Get started on the dashboard

Create a project, grab your API key, and start making requests in minutes.

What is Uniblock?

Uniblock is an AI-powered routing layer for Web3. For every request, Uniblock selects the best upstream provider based on reliability, cost, and performance — with automatic retries and failover to help keep your calls from failing.

APIs

Choose the API style that best matches what you’re building.

Unified JSON-RPC

Use Unified JSON-RPC when you want maximum compatibility with existing tooling and standard blockchain methods.

Unified APIs

Use Unified APIs when you want higher-level, easier-to-use endpoints for common workflows without stitching together raw JSON-RPC calls.

Direct Provider APIs

Direct APIs give you access to provider-specific endpoints exactly as offered by the upstream provider. Use this when you need a method that isn’t yet abstracted into Uniblock’s Unified APIs.

Browse Direct APIs

Find provider-specific methods and quickly integrate them into your app.

Supported chains

Uniblock supports a wide range of blockchain networks, with availability varying by product. Use the links below to confirm support for your service.