Discover / paper-print-calc.x402tookit.com

Paper & Print Calc

■ Challenge detected

Signatures, press sheets and blank pages needed for a book of N pages at 4, 8, 16 or 32 pages per signature.

Listed price
$0.02
Challenge detected
1 of the last check
Median response
648 ms
Last checked
21 Oct, 00:26 UTC
In our index since
21 Oct 2026

Endpoint

curl -i https://paper-print-calc.x402tookit.com/book-signatures
# 402 Payment Required: pay with an x402 client (USDC on Arbitrum),
# then send the same request again with the payment attached.
8 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://paper-print-calc.x402tookit.com

  • GET/paper-fitNo price listedHow many cards, labels or small sheets fit on a large sheet in a grid, trying both rotations, with margin, gutter and waste.
  • GET/typographic-unitsNo price listedConvert between points, picas, inches, mm, cm, CSS pixels, TeX points, Didot and twips, and show the pica-and-points form.
  • GET/book-signaturesNo price listedSignatures, press sheets and blank pages needed for a book of N pages at 4, 8, 16 or 32 pages per signature.
  • GET/iso-paperNo price listedISO 216 size in mm, inches and points for A0-A10, B0-B10, C0-C10, with area, aspect ratio and the neighbouring sizes.
  • GET/print-pixelsNo price listedPixels needed for a print size at a dpi (with bleed), or the largest print size an image supports at a chosen dpi.
  • GET/paper-weightNo price listedConvert paper gsm to US basis weight (bond, text, cover) and weigh a sheet, a ream or a mailing from its size.
  • GET/us-paperNo price listedLetter, Legal, Tabloid, ANSI A-E and Architectural A-E paper sizes in inches, mm and points, with the closest ISO size.
  • GET/envelope-fitNo price listedWhich standard envelopes (#10, A2, A7, C5, DL, C6 and more) hold a card or folded sheet, with the margin left over.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 8 of 8 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/paper-print-calc.x402tookit.com

Recent checks

21 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.21 Oct 2026
All 1 checks
When (UTC)ResultHTTPResponse
21 Oct, 00:26 UTCChallenge detected402648ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 21 Oct, 00:26 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for Paper & Print Calc?

Its listed price is $0.02.

What payment terms does Paper & Print Calc advertise?

The listing advertises x402, Arbitrum, Base, Polygon, Solana and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is Paper & Print Calc listed?

In x402 Bazaar. Superstables first indexed it on 21 Oct 2026.

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