Scan it. Right here.

Specimens to scan.

Rendered by the same engine that reads them. Scan them off this screen or a printout, and the card names the thing, checks it from the digits alone, and shows the anatomy the barcode registry teaches.

• A product barcode, EAN-13

  The shelf form: thirteen digits, the last one a check.

  curl -s https://api.barcoding.dev/resolve -H 'content-type: application/json' -d '{"payload":"4006381333931"}'
  
  {
    "scheme": "gs1.gtin",
    "carrier": "GTIN-13 (EAN-13)",
    "canonical": "04006381333931",
    "check": "mod10 pass",
    "computed": "computed from the digits · nothing was looked up",
    "handoff": "read here · resolved by id.org.ai",
    "address": "/01/04006381333931"
  }

• A GS1 label strip, GS1-128

  Product, expiry and batch in one strip.

  curl -s https://api.barcoding.dev/resolve -H 'content-type: application/json' -d '{"payload":"(01)09506000134352(17)260930(10)LOT42"}'
  
  {
    "scheme": "gs1.element-string",
    "carrier": "element-string (bracket)",
    "canonical": "(01)09506000134352(10)LOT42(17)260930",
    "check": "mod10 pass",
    "computed": "computed from the digits · nothing was looked up",
    "handoff": "read here · resolved by id.org.ai",
    "ambiguity": [
      {
        "scheme": "udi.gs1",
        "carrier": "udi (GS1 issuing agency)",
        "canonical": "DI 09506000134352",
        "check": "mod10 pass",
        "note": "the same element string read at the FDA UDI grain: DI = AI (01), PI = the production identifiers",
        "di": "09506000134352",
        "pi": {
          "10": "LOT42",
          "17": "260930"
        }
      }
    ],
    "ais": [
      {
        "ai": "01",
        "value": "09506000134352",
        "label": "GTIN"
      },
      {
        "ai": "10",
        "value": "LOT42",
        "label": "batch/lot"
      },
      {
        "ai": "17",
        "value": "260930",
        "label": "expiration date",
        "iso": "2026-09-30"
      }
    ],
    "element_string": {
      "bracket": "(01)09506000134352(10)LOT42(17)260930",
      "raw_has_fnc1": true
    },
    "digital_link": {
      "canonical": "https://id.gs1.org/01/09506000134352/10/LOT42?17=260930",
      "compressed": "https://id.gs1.org/ARFKk4XBoCDClnJ8bC5_aE",
      "compression_note": "DL 1.1.4 structure; GS1 optimisation tables not applied this run — round-trip gated in CI, toolkit interop pending (P0-1 delta)"
    },
    "epc": {
      "status": "company-prefix length required",
      "hint": "an EPC URN splits the GTIN at the GS1 company prefix — a licensed allocation fact; pass gcpLength to derive (TDS 2.3 §7)"
    },
    "address": "/01/09506000134352"
  }

• A pallet label, SSCC

  One logistic unit, serialized by construction.

  curl -s https://api.barcoding.dev/resolve -H 'content-type: application/json' -d '{"payload":"395060000000001235"}'
  
  {
    "scheme": "gs1.sscc",
    "carrier": "sscc-18 digits",
    "canonical": "395060000000001235",
    "check": "mod10 pass",
    "computed": "computed from the digits · nothing was looked up",
    "handoff": "read here · resolved by id.org.ai",
    "segments": {
      "extension": "3",
      "serial_reference_with_prefix": "9506000000000123",
      "check": "5"
    },
    "address": "/00/395060000000001235"
  }

• A vehicle number, VIN

  The door-jamb form, on Code 39.

  curl -s https://api.barcoding.dev/resolve -H 'content-type: application/json' -d '{"payload":"1HGCM82633A004352"}'
  
  {
    "scheme": "vin",
    "carrier": "vin (17 characters)",
    "canonical": "1HGCM82633A004352",
    "check": "iso3779 mod11 pass (pos 9 = 3)",
    "computed": "computed from the digits · nothing was looked up",
    "handoff": "read here · resolved by id.org.ai — via auto.dev, the vertical authority",
    "segments": {
      "wmi": "1HG",
      "vds": "CM826",
      "check": "3",
      "vis": "3A004352"
    },
    "delegate": "decomposed by the vehicle authority",
    "address": "/vin/1HGCM82633A004352"
  }

• A book, ISBN

  Books live inside the GTIN space.

  curl -s https://api.barcoding.dev/resolve -H 'content-type: application/json' -d '{"payload":"9780306406157"}'
  
  {
    "scheme": "isbn",
    "carrier": "ISBN-13 (Bookland EAN-13)",
    "canonical": "9780306406157",
    "check": "mod10 pass",
    "computed": "computed from the digits · nothing was looked up",
    "handoff": "read here · resolved by id.org.ai",
    "ambiguity": [
      {
        "scheme": "gs1.gtin",
        "carrier": "GTIN-13 (EAN-13)",
        "canonical": "09780306406157",
        "check": "mod10 pass",
        "note": "the same 13 digits verify as a GTIN-13 — Bookland is a GS1 prefix range leased to ISBN"
      }
    ],
    "address": "/isbn/9780306406157"
  }