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Tokensor

Tokensor is a developer platform that sits in front of your LLM providers. It enforces per-account token quotas, gives you transparent time-series cost analytics, and lets you connect agent frameworks so you can track costs and detect inefficiencies in real time.

What you get

  • Transparent proxies — route OpenAI, Anthropic, and OpenCode calls through Tokensor to record every call and its cost.
  • Quota enforcement — per-account token quotas and daily spend ceilings, enforced before the request reaches your provider.
  • Cost analytics — daily totals, cost-by-model, spend summary, and per-agent cost rollups.
  • Agent cost intelligence — ingest OpenTelemetry traces from agent frameworks (OpenLLMetry/Traceloop, LangChain, agentgateway) to detect runaway loops, redundant tool calls, and context bloat.
  • Billing tiers — quota-based free tier with paid upgrades.
  • Setup — create your account, get your API key, and connect a provider.
  • API Reference — endpoints, authentication, and examples.
  • Integrations — OpenAI, Anthropic, OpenCode, and agent frameworks.

How it works

Your app / agent ──► Tokensor ──► LLM provider
                      (record, enforce, analyze)

All traffic passes through Tokensor's proxies so every call is recorded, quota-checked, and attributed to the correct account.

Getting started

  1. Sign in at tokensor.dev and copy your Tokensor API key.
  2. Connect a provider key in onboarding or Settings.
  3. Point your app at Tokensor instead of the provider directly.
  4. Watch costs appear in the dashboard within ~60 seconds.