A non-Marketo page, you mean? A Marketo LP with tokens would already serve this purpose, and any link sent via Marketo email is tokenized by default to load the recipient's Marketo record. If it's a non-Marketo page, any webpage can read data passed in the URL. That's not a generic "unique link" -- which is why we should've started by talking about your specific goal. If you want to include form data in a link, you can either (a) mirror the form data, URI-encoded, in a hidden textarea field and pass that lead.token in the URL, or (b) use a Velocity token to assemble the link from the individual form fields and URI-encode it. Note what you *don't* want to do is just put lead.tokens in the link URL without encoding them, since the URL will not work when values contain incompatible data.
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