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    Multi Level Features With Illustrations

    Relay simplifies your AI infrastructure, with one single connection.

    const response = await fetch("https://api.respan.ai/v1/chat/completions", {
      method: "POST",
      headers: {
        "Content-Type": "application/json",
        "Authorization": "Bearer rspn_live_xxxxxxxxx"
      },
      body: JSON.stringify({
        model: "openai/gpt-4o""anthropic/claude-3-5-sonnet"
        messages: [{
          role: "user",
          content: "Summarize this customer support conversation."
        }]
      })
    })

    Use one API for every model

    Point your existing code at Respan instead of each provider. Swap gpt-4 for claude-sonnet by changing one string. No rewrite.

    gpt-5.5
    Down
    Rerouting request sent...
    claude-sonnet-4
    deepseek-chat

    Stay online when providers fail

    If a model goes down or rate-limits, Respan automatically retries and routes traffic to the next available provider. Your users never see the failure.

    Auto tracing....
    SuccessPOST/chat1.23s
    SuccessPOST/chat0.91s
    RetryPOST/chat2.40s

    Balance load across providers

    Spread traffic across models and regions automatically. Get better latency and cost without managing the routing yourself.

    Sticky nav on the left, feature panels on the right. Each level gets its own illustration—code, failover routing, tracing—so the section feels like a guided walkthrough instead of a flat list.

    Designed by Piyush Goswami.

    Part of Feature Sections · All blocks

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