Bind CometAPI Fallback Decisions to the User Action
Choose the right CometAPI text surface for each user action and verify the contract before you lock in the fallback path.
cometapifallbackresponses-apireliability
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Keep Tool Calls Stable Across CometAPI Chat and Responses Fallback
Keep tool declarations, tool-choice behavior, and result parsing stable when you move between CometAPI Chat and Responses.
CometAPItool callingfallbackchat completions
How to Use Response Contract Evidence to Harden LLM API Failover
A tested guide to the response fields, error shapes, and streaming evidence operators should verify before promoting an LLM API failover route.
llm-api-reliabilityfailoverresponse-contractchat-completions