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Verify a minimal text request first, then test each capability your application needs. Compatible request formats do not make models’ parameters and behavior identical.

Change three settings

Switch the endpoint, key, and model together. Keep provider credentials paired with the correct destination. See the SDK examples and model lookup. For native Anthropic or Gemini requests, use the corresponding address and authentication. The OpenAI SDK address above does not apply to every protocol.

Verify in stages

  1. Test single-turn text and conversation history in a test environment.
  2. Check output limits, finish reasons, and errors.
  3. Verify required streaming, JSON, tools, and image input separately.
  4. Compare quality, usage, and latency on the same tasks rather than one response.
  5. Shift limited traffic, observe errors and costs, then expand.
APIONE permissions come from its API Key. OpenAI organization and project settings have no effect. Verify optional model parameters individually. See the compatibility reference.

Common migration issues

Rollback and data

Retain the last verified configuration. Switch endpoint, key, and model together during rollback. Do not print credentials in logs or configuration comparisons. Other gateways’ backup domains, promotions, routing names, billing rules, workspace features, and data-retention commitments do not automatically apply to APIONE. Check its console and current public information.