TJ NOVA LTD · Company No. 17308318
Five checks a cross-border operator actually runs. 跨境卖家真正会跑的五项检查。
Each one answers a single question with evidence you can verify yourself, and links out to the primary source. One account covers all five. Nothing here asks for a card before it has shown you something. 每一项只回答一个问题，给出你自己能核验的证据，并链向一手来源。一个账户通用五项。在给你看到东西之前，这里不会先问你要卡。
CaseRail
Turn renewal notices, access logs, policy acceptance and support history into one reason-specific chargeback timeline before the clock runs out. 在时限用尽之前，把续订通知、访问日志、条款接受记录和客服历史，整理成一条针对具体拒付理由的时间线。
$19 one-time 一次性 · Evidence builder · runs in your browser证据构建器 · 在你的浏览器里运行 01a · ChargebacksDisputePack ROI
The step before CaseRail: decide which disputes are worth the hour, then hand the winners over. CaseRail 的前一步：先判断哪些争议值得花这一小时，再把值得打的交给它。
Free · Decision model, shows its arithmetic决策模型，算式摊开给你看 02 · Cloud spendAPI Bill Shield
Audit pasted code, provider restrictions and budget controls before a leaked key turns into an invoice. 在泄露的密钥变成账单之前，审一遍粘贴的代码、供应商限制和预算控制。
Free · Runs locally, uploads nothing本地运行，不上传任何内容 03 · DiscoverabilityCiteRoom
See what an answer engine can verify about your business, what it cannot, and the next five fixes that matter. 看清问答引擎（answer engine）能核实你业务的哪些部分、哪些核实不了，以及接下来最关键的五处修正。
$49 one-time 一次性 · Readiness score · sourced就绪度评分 · 带来源 04 · US healthcareHPT Quantile Pack
Convert a de-identified allowed-amount CSV into grouped count, 10th percentile, median and 90th percentile rows. Nothing leaves the browser. 把去标识化的允许金额 CSV 转成分组计数与 10/50/90 分位行。数据不离开浏览器。
$199 from 起 · CMS 2026 preflight · zero uploadCMS 2026 预检 · 零上传 05 · US healthcareDenial Decoder
Read the CARC codes off a remittance: what each one means, appeal or rebill, which document moves it, and the days left in the payer's window. 读懂付款通知上的 CARC 代码：每个是什么意思、该申诉还是更正重报、靠哪份材料翻案、时限还剩几天。
Free · Never guesses a code it does not hold免费 · 未收录的代码绝不瞎猜 07 · US real estateCovenantCheck
Type a Florida address and see whether an association owns common land around it — the association's legal name, the evidence behind the answer, and how strong that evidence is. 输入佛州地址，看这一带有没有协会持有的公共用地——协会的法定名称、支撑结论的证据、以及证据有多强。
Free · 10.8M parcels read live · says "no evidence" instead of guessing免费 · 实时读取 1080 万宗地 · 拿不准就说未找到证据，不猜 06 · US commercial propertyCAM Recheck
Your landlord's annual reconciliation says you owe more. Redo the arithmetic against your own lease: pro-rata share, the cap ceiling three ways, whether your estimates were credited, days left to object. 房东的年度对账单说你还欠钱。按你自己的租约把账重算：分摊比例、三种口径的封顶线、已付预估款抵没抵、还剩几天能提异议。
Free · Computes the cap ceiling three ways and picks none of them for you免费 · 封顶线按三种口径各算一遍，不替你选What is true of all five五项共同成立的事
- The free part is genuinely free.免费的部分是真免费。 No trial timer, no email wall in front of the result. 没有试用倒计时，结果前面没有邮箱墙。
- Your data stays in the browser where the tool says so.凡是写明本地运行的工具，你的数据就留在浏览器里。 API Bill Shield and HPT never upload what you paste. API Bill Shield与 HPT 从不上传你粘贴的内容。
- Every claim links to its source.每条结论都链到来源。 Where we could not verify something, it is shown as unverified rather than filled in. 凡是我们无法核实的，都显示为未确认，而不是替你填上。
- One account, one operator.一个账户，一个经营主体。 TJ NOVA LTD, registered in England and Wales, company number 17308318. TJ NOVA LTD，注册于英格兰和威尔士，公司编号 17308318。
These are tools, not advice. None of them files anything on your behalf or tells you that you are compliant. 这些是工具，不是意见。它们都不会替你提交任何材料，也不会告诉你「你已合规」。
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EPR Radar
Selling into the EU? Regulation (EU) 2025/40 has applied since 12 August 2026. See which countries can fine you over packaging and by when — register, dated deadline, authorised-representative requirement and penalty, each line with its official source. Free to check. 在卖去欧盟？法规 (EU) 2025/40 自 2026 年 8 月 12 日起适用。查清哪些国家会因包装罚你、截止到哪天——登记机构、带日期的截止日、授权代表要求与罚则，每条都带官方来源。查询免费。