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    Tools · Validator

    Schema validation tester

    Paste a payload on the left. The right column shows every declared field, whether it's present, and any validation error — updated as you type.

    Payload (JSON)

    Parsed

    Field results

    10 pass0 fail
    FieldValue
    ticker
    stringrequired
    "NVDA"
    side
    enumrequired
    "CALL"
    contract
    objectrequired
    Object
    contract.strike
    numberrequired
    145
    contract.expiry
    stringrequired
    "2026-08-15"
    premium_usd
    numberrequired
    2480000
    volume
    integer
    12400
    open_interest
    integer
    3100
    aggressor
    enum
    "ASK"
    detected_at
    stringrequired
    "2026-07-21T14:32:07Z"

    ✓ Payload validates against uoa-alert@0.1.0