Guide: Migrate OpenAI SDK Apps to a Compatible API Gateway With Minimal Code Changes
Developers using the OpenAI SDK can switch to an OpenAI-compatible gateway like Route Key by updating just three things: the API key, base URL, and model ID. The migration requires no full application rewrite, as the existing request format remains largely intact. Before going live, developers should test both standard and streaming requests, verify response quality, and confirm model IDs against the provider's current catalog. Best practices include storing API keys in environment variables, setting retry and concurrency limits, and maintaining a rollback option with the original provider configuration. Production traffic should only be redirected after thorough testing of latency, cost, tool calls, and any provider-specific endpoint behavior.
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