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Missing required parameter: 'input[146].name'. Codex

Quick fix

Upgrade cc-switch to v3.16.4 or later to fix missing function names in Codex native tool calls when routing is enabled.

Symptom

Section titled “Symptom”
Error output
{"error":{"message":"CC Switch local proxy failed while handling Codex endpoint /responses. Provider: ********** model: gpt-5.5; upstream_status: HTTP 400; cause: Missing required parameter: 'input[146].name'.","type":"invalid_request_error","code":"cc_switch_upstream_error","param":null,"provider":"*********","model":"gpt-5.5","endpoint":"/responses","upstream_status":400}}

Cause

Section titled “Cause”

When Codex uses a third-party API with routing enabled, native tool calls may have field mismatches, causing the upstream service to reject requests missing `input[...].name`. The report also mentioned slow model responses and repeatedly running unfinished tasks.

The maintainer confirmed this was fixed in v3.16.4: streamed tool calls without a function name no longer produce invalid `tool_call`, and subsequent Codex requests through Chat routing restore cached tool-call `name`, `arguments`, and `status` fields from history.

Fix

Section titled “Fix”

  1. After upgrading cc-switch to v3.16.4 or later, retry the Codex native tool call with routing enabled.

  2. If the error still occurs after upgrading, add the specific provider and error details to the original issue, or reopen it.

Affected Versions

Section titled “Affected Versions”
ToolCodex
Versionv3.16.4 或更高（已修复）
PlatformsmacOS

Source Issues

Section titled “Source Issues”

This page is distilled from 1 real issues

FAQ

Section titled “FAQ”
Can ccx be used normally?
One user replied: “Yes, it works quite well.”
Section titled “Related problems”
401 UnauthorizedUpgrade to cc-switch 4.0.x, or clear the stale third-party OPENAI_API_KEY from ~/.codex/auth.json manually, restart Codex, and sign in again with ChatGPT OAuth.2 issues mergedapi failed deserialize json body intoDepending on the error: roll Claude Code back, upgrade cc-switch, turn the local proxy off, or stop sending unsupported fields.8 issues mergedRequest exceeds the context windowNo verified solution was provided in the original post; this issue was closed as a duplicate related to catalog configuration and automatic compression.1 issues merged

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