# Services from x402-api-24223879872.us-east1.run.app on Zero

> x402-api-24223879872.us-east1.run.app serves 7 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/x402-api-24223879872.us-east1.run.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402-api-24223879872.us-east1.run.app/health.json

## Services

- [Package Trust Score & Safety Signals](https://www.zero.xyz/c/package-trust-score-safety-signals-5fd6b77a/llms.txt): $0.05/call via x402. Returns install-safety signals for an npm or PyPI package, including registry metadata, install-script usage, OSV advisories, typosquat risk, and a 0-100 trust score.
- [WCAG Accessibility Audit via axe-core](https://www.zero.xyz/c/wcag-accessibility-audit-via-axe-core-d2ef2e20/llms.txt): $0.08/call via x402. Runs a WCAG 2.1-AA or 2.2-AA accessibility audit on any public URL using headless Chromium and axe-core, returning violation/pass/incomplete counts by impact level and a 0-100 accessibility score.
- [Mexican CFDI Electronic Invoice Verification (SAT)](https://www.zero.xyz/c/mexican-cfdi-electronic-invoice-verification-sat-3e356768/llms.txt): $0.05/call via x402. Verifies a Mexican electronic invoice (CFDI) against SAT systems, returning its status (vigente/cancelado), cancelability, and EFOS validation for the issuer and receiver.
- [Mexican RFC Structural Validator with EFOS Blacklist Check](https://www.zero.xyz/c/mexican-rfc-structural-validator-with-efos-blacklist-check-8edbb8cb/llms.txt): $0.03/call via x402. Validates the structure of a Mexican RFC (tax ID) — checking persona física/moral format, embedded date, SAT check digit — and queries the Article 69-B EFOS blacklist status.
- [Mexican CLABE Validator](https://www.zero.xyz/c/mexican-clabe-validator-0805c317/llms.txt): $0.02/call via x402. Validates an 18-digit Mexican CLABE number by verifying its check digit, bank identification via the Banxico/SPEI catalog, plaza, and account number structure.
- [OR-Tools CP-SAT Schedule Solver](https://www.zero.xyz/c/or-tools-cp-sat-schedule-solver-017dfb9d/llms.txt): $0.3/call via x402. Solves scheduling and roster assignment problems using Google OR-Tools CP-SAT, assigning resources to time slots while honoring availability, tags, and constraints, with configurable optimization objectives.
- [GitHub Repository PR Merge Likelihood Predictor](https://www.zero.xyz/c/github-repository-pr-merge-likelihood-predictor-04fc6048/llms.txt): $0.05/call via x402. Predicts the likelihood that a GitHub repository will merge an AI-authored or external pull request, based on its AI/contribution policy and historical merge rate data.

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)