{"uid":"cap_sAsrgpdllwI8QCz7gadEF","slug":"paper-print-calc-book-signatures-8f4101a7","name":"Paper & Print Calc – Book Signatures","description":"Signatures, press sheets and blank pages needed for a book of N pages at 4, 8, 16 or 32 pages per signature.","url":"https://paper-print-calc.x402tookit.com/book-signatures?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["pages"],"properties":{"pages":{"type":"integer","description":"Printed page count (a leaf is two pages), 1 to 5000"},"copies":{"type":"integer","description":"Copies, for total sheets (default 1)"},"pagesPerSignature":{"type":"integer","description":"4, 8, 16 (default) or 32 pages per signature"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"asOf":{"type":["null","string"]},"pages":{"type":["null","number"]},"leaves":{"type":["null","number"]},"source":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"blankPages":{"type":["null","number"]},"disclaimer":{"type":["null","string"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"signatures":{"type":["null","number"]},"totalPages":{"type":["null","number"]},"alternatives":{"type":["array","null"],"items":{"type":"object","properties":{"blankPages":{"type":["null","number"]},"signatures":{"type":["null","number"]},"pagesPerSignature":{"type":["null","number"]}}}},"sheetsPerCopy":{"type":["null","number"]},"sheetsAllCopies":{"type":["null","number"]},"pagesPerSignature":{"type":["null","number"]},"spineThicknessNote":{"type":["null","string"]},"sheetsNoteBothSides":{"type":["null","string"]}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_8FkZuyrjg2lSFaJY3Q4-q","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates the number of signatures, press sheets, and blank pages required to print a book of N pages at a chosen pages-per-signature (4, 8, 16, or 32).","exampleAgentPrompt":"How many 16-page signatures and press sheets will I need to print 250 copies of a 192-page book, and how many blank pages will there be?","exampleUseCases":[{"title":"Saddle-stitch booklet planning","prompt":"I'm printing a 64-page saddle-stitched booklet in a run of 500 copies — how many 8-page signatures and total press sheets will that require, and will there be any blank pages?"},{"title":"Perfect-bound novel imposition","prompt":"My novel manuscript is 304 pages. Can you tell me how many 32-page signatures I'll need and how many blank filler pages will end up in the back?"},{"title":"Short-run self-publishing cost estimate","prompt":"I want to self-publish a 144-page book and I'm trying to figure out the paper cost. How many signatures and sheets per copy do I need with 16 pages per signature?"}],"resultDescription":"Returns the number of signatures, leaves, sheets per copy, total sheets for all copies, blank pages, total pages in the bound book, the chosen pages-per-signature, a human-readable summary, a spine thickness note, a note about sheets being printed both sides, and an array of alternative signature configurations (other page-per-signature options with their own signature and blank-page counts).","failureModes":["pages parameter missing or non-integer returns validation error","pages value outside 1–5000 range returns error","pagesPerSignature value not in {4,8,16,32} returns error","copies set to 0 or negative returns error","service unavailable or payment failure returns 402 or 5xx"],"whenToPreferThis":"Choose this endpoint when you need to plan the physical imposition of a book for offset or digital printing — specifically when you need to know how many signatures, press sheets, and blank pages result from a given page count and binding style. It is the right choice for print production planning, cost estimation by sheet count, and comparing signature configurations. It is not appropriate for digital publishing, ebook formatting, or non-book print jobs like brochures or single sheets.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T13:14:28.252Z","isFirstParty":false,"canonicalSlug":"paper-print-calc-book-signatures-8f4101a7"}