VIN Decoder & History

Understand your car’s origin and history in seconds.

Decode your JDM VIN

We validate 17-character VINs, flag forbidden characters (I, O, Q), and surface basic build info.

Try a Japanese-built VIN:

No I/O/Q allowed; input is auto-uppercased before decoding.

Enter a 17-character VIN to see decoded details.

Quick peek under the hood

The pains customers feel

  • Free VIN tools choke on JDM VINs like the 1998 Mitsubishi Lancer Evolution V GSR.
  • Auction/export histories from USS/JU are locked behind Japanese APIs.
  • Without red flags, buyers overpay for a 2001 Honda Integra Type R DC5.

How Seibi handles it

  • Dual-source decoding: Free feeds + paid Japanese VIN/history APIs for full trims.
  • Red-flag surfacing: AI catches mileage mismatch, corrosion cues, grade inconsistencies.
  • Fair price bands: If a 2003 Nissan Fairlady Z Z33 shows repairs, the offer range adjusts.
  • Verified insight: Reports reference listings from Seibi-verified trusted sellers only.

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