Head to head
X402lint vs PayGuard
Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.
X402lint
Aio.github.arden-instance/x402lintNo reviews yet
Lint an HTTP endpoint's x402 402 conformance; decode X-PAYMENT blobs; inspect a facilitator.
Full listingPayGuard
Cio.github.mercadosclaro-eng/payguardNo reviews yet
Pre-payment checks for AI agents: x402 quotes, untrusted prompts and audit receipts.
Full listingThe short version
Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. The safety scan favours X402lint (89/100 against 57). PayGuard is hosted and callable through the gateway; X402lint runs on your own machine. X402lint has noticeably more public adoption.
| X402lint | PayGuard | |
|---|---|---|
| User rating | No reviews yet | No reviews yet |
| Safety grade | A89/100 | C57/100 |
| Adoption | Growing | New |
| GitHub stars | 0 | – |
| Downloads / week | 78 | – |
| Runs where | Your machine (local) | Hosted (remote) |
| Gateway-ready | No | Yes |
| Tools | 3 | — |
| Write actions | — | — |
| Price per call | Free | Free |
| Licence | MIT | — |
| Last release | 2026-09-06 | — |
| Category | Finance | Finance |