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How to verify Claude Code relays are using Anthropic models

By PulseAugur Editorial · [1 sources] ·

This article explains how to verify that a relay service is actually using Anthropic's Claude models, rather than substituting other language models. It details environment variables like ANTHROPIC_BASE_URL and ANTHROPIC_AUTH_TOKEN that Claude Code uses to connect to API endpoints. The post also provides methods to check relay behavior, including using the `/status` endpoint and running Python scripts like `check-relay.py` to test response formats and model signatures. Additionally, it suggests using ModelTrace to estimate the specific Claude model version being used. AI

IMPACT Helps developers ensure they are using the intended AI models and not being misled by proxy services.

RANK_REASON The item describes a technical method for verifying the functionality of a specific software tool (Claude Code relays).

Read on dev.to — Claude Code tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

How to verify Claude Code relays are using Anthropic models

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The item describes a technical method for verifying the functionality of a specific software tool (Claude Code relays).
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  1. dev.to — Claude Code tag TIER_1 English(EN) · Gyre ·

    How Claude Code's ANTHROPIC_BASE_URL works, and how to check that a relay really serves Claude

    <p>Before you put a cheap Claude Code relay (an API proxy) in front of your work, it is worth checking for yourself that Claude is the model answering. The first half of this post covers the environment variables Claude Code reads; the second half is a set of checks that work aga…

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