# Probegrade
> Agent payments and independent reliability ratings for agent data. Measured, not bought.

Probegrade gives AI agents access to tools and APIs through one gateway, billed per use via x402 v2 (Base; v1 X-PAYMENT still accepted; exact and upto schemes), plus reliability ratings from automated probes measuring uptime, latency, schema validity, freshness and price. Sponsored placement is labeled and never changes scores. Gateway plan: $99/month plus per-call charges. Status: early access. Contact: hello@probegrade.com

## Pages
- [How it works](https://probegrade.com/how-it-works/): gateway, x402, upto caps, MCP
- [Ratings & methodology](https://probegrade.com/ratings/)
- [Pricing](https://probegrade.com/pricing/)
- [Monthly report](https://probegrade.com/report/) ([October 2026 preliminary sample, JSON](https://probegrade.com/report/2026-10.json))
- [For providers](https://probegrade.com/providers/)

## Comparisons (agent-readable)
- [Probegrade vs. directories that sell placement](https://probegrade.com/compare/pay-to-list-directories.md)
- [Probegrade vs. self-reported listings](https://probegrade.com/compare/self-reported-listings.md)
- [Probegrade vs. other “can't be bought” ratings sites](https://probegrade.com/compare/cant-be-bought-ratings.md)

## Legal
- [Terms](https://probegrade.com/terms/) · [Privacy](https://probegrade.com/privacy/) · [Ad disclosure](https://probegrade.com/advertising-disclosure/)