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Claude Code + BazaarLink Setup Guide

Claude Code can use BazaarLink by changing its base URL and API key. The route below speaks to BazaarLink's Anthropic-compatible Messages endpoint.

1. Configure environment variables

Export these variables before starting Claude Code. ANTHROPIC_AUTH_TOKEN is sent as the Authorization token; keep it in your shell environment instead of committing it.

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export ANTHROPIC_BASE_URL="https://api.bazaarlink.ai/v1"
export ANTHROPIC_AUTH_TOKEN="your-bazaarlink-api-key"
export ANTHROPIC_MODEL="openai/gpt-5.6-luna"
export ANTHROPIC_SMALL_FAST_MODEL="anthropic/claude-haiku-4.5"
export CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC="1"

2. Configure settings.json instead

If you prefer a persistent Claude Code configuration, put the same values in your user settings file. Replace the placeholder with a real BazaarLink key on your machine.

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{
  "env": {
    "ANTHROPIC_BASE_URL": "https://api.bazaarlink.ai/v1",
    "ANTHROPIC_AUTH_TOKEN": "your-bazaarlink-api-key",
    "ANTHROPIC_MODEL": "openai/gpt-5.6-luna",
    "ANTHROPIC_SMALL_FAST_MODEL": "anthropic/claude-haiku-4.5",
    "CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC": "1"
  }
}

3. Verify the request path

Run this small Messages request before opening a longer Claude Code session. A JSON response with a model and stop reason confirms that the configured base URL and key reached BazaarLink; then confirm the request in the BazaarLink Logs page.

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curl -sS "$ANTHROPIC_BASE_URL/messages"   -H "Authorization: Bearer $ANTHROPIC_AUTH_TOKEN"   -H "anthropic-version: 2023-06-01"   -H "content-type: application/json"   -d '{
    "model": "openai/gpt-5.6-luna",
    "max_tokens": 32,
    "messages": [{"role": "user", "content": "Reply with OK"}]
  }' | jq '{id, model, stop_reason}'

# After Claude Code runs, confirm the same request in:
# https://bazaarlink.ai/logs

4. Common errors

401 Unauthorized

Symptom: Claude Code or the curl check reports an authentication error. Cause: ANTHROPIC_AUTH_TOKEN is missing, has a typo, or the shell was not restarted after changing it. Fix: set it to the BazaarLink API key, make sure the request sends Authorization: Bearer, and start Claude Code from that same shell.

404 model_not_found

Symptom: the request reaches the gateway but the selected model is rejected. Cause: ANTHROPIC_MODEL or ANTHROPIC_SMALL_FAST_MODEL is not an exact ID in the current /models response. Fix: fetch https://api.bazaarlink.ai/v1/models and copy an ID exactly, including its provider prefix and punctuation.

Base URL missing /v1

Symptom: the request returns a route 404, or traffic still goes to Anthropic instead of BazaarLink. Cause: the value is missing /v1, includes /messages twice, or points at a different host. Fix: set ANTHROPIC_BASE_URL to exactly https://api.bazaarlink.ai/v1; Claude Code appends /messages.

5. Choose a model

Use the live /models endpoint as the source of truth. These are three valid examples from the brief; copy the full provider/model ID into ANTHROPIC_MODEL or ANTHROPIC_SMALL_FAST_MODEL.

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openai/gpt-5.6-luna
anthropic/claude-haiku-4.5
deepseek/deepseek-v4.1-flash