# Services from api.tokenplans.dev on Zero

> api.tokenplans.dev serves 3 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/api.tokenplans.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.tokenplans.dev/health.json

## Services

- [TokenPlans Full AI Coding Plan Catalog](https://www.zero.xyz/c/tokenplans-full-ai-coding-plan-catalog-4cefa034/llms.txt): $0.1/call via x402, rated 4.3/5 (1 review). Returns a complete JSON catalog of verified AI coding subscription plans across 28 providers, including pricing, included models, usage limits, and rate-limit windows.
- [tokenplans.dev Changelog – Full AI Coding Plan History](https://www.zero.xyz/c/tokenplans-dev-changelog-full-ai-coding-plan-history-fd598c4e/llms.txt): $0.1/call via x402. Returns an append-only JSON ledger of every value-relevant change to tracked AI coding subscription plans, including price moves, usage-ceiling changes, rate-limit changes, model additions/removals, plan launches/discontinuations, and policy changes, each entry dated with old/new values and source URL.
- [tokenplans.dev Cost Rules](https://www.zero.xyz/c/tokenplans-dev-cost-rules-e90f5103/llms.txt): $0.1/call via x402. Returns per-provider JSON cost rules (per-token USD rates, credit budgets, per-model rates, weekly/monthly caps, and confidence levels) for computing requests-per-dollar across AI coding subscription plans.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)