Head to head
Ksef Fa3 Invoice Lint vs X402 List
Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.
No reviews yet
Finds the lines KSeF will reject in a Polish structured invoice XML, before you send it
Full listing
No reviews yet
Find and vet x402 payment APIs before your agent pays one: uptime, price, on-chain volume.
Full listingThe short version
Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. Both score close on the safety scan (89 and 92 out of 100). X402 List is hosted and callable through the gateway; Ksef Fa3 Invoice Lint runs on your own machine. X402 List has noticeably more public adoption.
| Ksef Fa3 Invoice Lint | X402 List | |
|---|---|---|
| User rating | No reviews yet | No reviews yet |
| Safety grade | A89/100 | A92/100 |
| Adoption | Growing | Established |
| GitHub stars | 0 | 27 |
| Downloads / week | 172 | 75 |
| Runs where | Your machine (local) | Hosted (remote) |
| Gateway-ready | No | Yes |
| Tools | — | 7 |
| Write actions | — | — |
| Price per call | Free | Free |
| Licence | NOASSERTION | MIT |
| Last release | 2026-09-19 | 2026-09-01 |
| Category | Finance | Finance |