DEVELOPER DOCUMENTS

Configuration, troubleshooting, and cost estimates

Choose documentation by task. Product documentation covers Codex CLI and Claude Code. Integration pages cover Base URLs, API keys, and SDK setup. Error pages are indexed by status code or message. The configuration generator and cost calculator run locally in the browser and do not upload API keys.

31 articles · Codex CLI + Claude Code

Technical documentation

Installation, configuration, operation, first-task procedures, and team workflows for Codex CLI and Claude Code.

Browse technical documentation

Cursor · Cline · SDK

Integration documentation

Base URL location, key requirements, CLI configuration behavior, and connection checks for each client.

Browse integration documentation

16 common errors

Error diagnostics

Diagnostic procedures organized by exact error message for credentials, model IDs, rate limits, networks, and gateways.

Open error diagnostics

Config generator + cost estimator

Tools

Browser-based client configuration generation, token cost estimation, and compatibility checks. Requests do not pass through CodeNodex servers.

Open tools

Model PricingPer-million-token rates, discount multipliers, and monthly cost estimates for each model, taken straight from the production billing catalog.Pay-as-you-go · per million tokensSee pricing Documentation notesDocumentation sources, update process, and applicability. For changing configuration, versions, or prices, use the conditions recorded in the article and the current product page.2 / Last updated: 2026-07-19View notes