Vellium & Co

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Mart402

Invoice pipeline in one call: PDF to structured Markdown (hallucination-guarded OCR), invoice field extraction, arithmetic verification, optional issuer enrichment. Flat 0.05/document (text PDFs to 20 pages, scans to 3).

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
314 ms
Price
$0.050 per call
Paying buyers, last 30 days
2 (directory's own records)
Paid calls, last 30 days
5
Category
Images, audio and video generation
Address
https://mart402.com/v1/document-pipeline

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/4a7823ef98db.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].