Using Your Claude Subscription with OpenClaw: The Complete Guide

TL;DR: Stop burning money on API fees. Use your $20/month Claude Pro subscription with OpenClaw and get unlimited Claude Sonnet 3.5 usage. This guide shows you exactly how to set it up in under 5 minutes. The Problem You're paying $20/month for Claude Pro. You love the web interface, but you want to use Claude with OpenClaw for automation, agent workflows, and background tasks. The obvious solution? Sign up for Claude API access and pay per token. Bad idea. Claude API pricing: Sonnet 3.5: $3 per million input tokens, $15 per million output tokens A single coding session can burn through $5-10 in tokens Heavy users hit $50-100/month easily You're already paying $20/month for unlimited Claude access. Why pay twice? The Solution: Subscription Relay OpenClaw supports subscription relay mode — it uses your existing Claude Pro subscription instead of API keys. No extra costs, no usage limits, just your regular $20/month. What You Get ✅ Unlimited Claude Sonnet 3.5 (web subscription) ✅ No per-