Vellium & Co

Directory › Unclassified › Factline

Factline

Use when the user asks if a Dutch address can flood: annual flood probability (any water, over 20, 50 and 200 cm) from Rijkswaterstaat LIWO, 2050 and 2100 climate scenarios, worst-case water depth and ground height vs sea level (AHN). Input

Go to this service →

Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
476 ms
Price
$0.004 per call
Paying buyers, last 30 days
2 (directory's own records)
Paid calls, last 30 days
4
Category
Unclassified
Address
https://factline.dev/v1/flood-risk

Accuracy: paid answers checked against an independent record

Not yet in our paid checks. A seller we have not checked has neither passed nor failed.

For agents

This page as JSON: /sellers/a3c2d21fde47.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).

Sellers can see the evidence behind their checks and ask for a re-check at [email protected].