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Sometimes public evidence isn’t enough and you need answers straight from the vendor. VendexLabs includes a vendor questionnaire portal — a secure, self-service way for a vendor contact to respond and attach evidence, without needing a VendexLabs account.

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How it works

1

Send the questionnaire

From the vendor’s assessment, share the questionnaire with the vendor’s contact. They receive a link to the portal.
2

The vendor verifies by one-time code

Access is protected by a one-time passcode (OTP) sent to the vendor’s email — no password or account required. This keeps the portal open to the right person and closed to everyone else.
3

The vendor answers and uploads evidence

In the portal, the vendor completes their responses and uploads supporting files — certifications, reports, policies. Answers save as they go.
4

The vendor submits

When finished, the vendor submits. Their responses and files flow back into the assessment as evidence you can review.

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Why the portal helps

Less back-and-forth

One secure link replaces long email threads and lost attachments.

Evidence in one place

Uploaded files land on the assessment, next to your decision and audit log.

No account needed

Vendors verify with a one-time code, so onboarding a respondent is instant.

Faster reviews

Structured answers combine with VendexLabs’ research so you spend time deciding, not chasing.
Questionnaire responses supplement — they don’t replace — the evidence VendexLabs gathers automatically. Use them to confirm specifics or fill gaps flagged in an assessment’s open items.