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The XOXNO Gateway is a drop-in replacement for the standard MultiversX Go proxy. If your application already uses the Go proxy, switching requires only a base URL change.

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URL replacement

Change your base URL from your current Go proxy to the Rust Gateway:
All endpoint paths are identical. Endpoints are available under both /v1.0/ and / (root) for full compatibility, so existing tools that use the /v1.0/ prefix continue to work. Response JSON shapes match the Go proxy format, so you do not need to change client-side parsing. You can test by pointing a staging environment to the Rust Gateway while keeping production on the Go proxy, then switch once you have validated compatibility.

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What stays the same

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New capabilities

The Rust Gateway adds features beyond the Go proxy:

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Performance characteristics

  • Built in Rust with Axum/Tokio for async I/O
  • Near-zero heap allocations on the hot path
  • Round-robin load balancing across observers with automatic failover
  • TTL caching for block, hyperblock, heartbeat, validator stats, and economics endpoints
  • Request coalescing prevents thundering herd on high-traffic endpoints

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Monitoring

The /status/metrics endpoint returns the same JSON structure as the Go proxy, so existing monitoring dashboards work without changes.

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Health checks

Use /readyz in your load balancer or Kubernetes health check configuration. The liveness probe confirms the process is running. The readiness probe confirms the Gateway can serve accurate data.