Vellium & Co

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api.ibancheck.co.uk

Generate a time-sortable UUIDv7-based Idempotency-Key with a deterministic payload hash. Send it as an Idempotency-Key header on a retried call to any paid endpoint: the same key and request returns the cached response with no new charge.

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
173 ms
Price
$0.002 per call
Paying buyers, last 30 days
1 (directory's own records)
Paid calls, last 30 days
1
Category
Payments and on-ramps
Address
https://api.ibancheck.co.uk/api/generate-idempotency-key

Accuracy

Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.

For agents

This page as JSON: /sellers/004c09a6f4af.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].