DocImprint

DocImprint

Verifiable document intelligence for AI agents. Extract, summarize, claim-check, and notarize PDFs & URLs with cryptographic proofs, cross-document search, and on-chain attestation via Base L2.

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README

<p align="center"> <img src=".github/banner.png" alt="DocImprint" width="100%" /> </p>

<p align="center"> <strong>Document memory agents can prove.</strong><br/> PDFs & URLs → cited answers · evidence bundles · on-chain attestation </p>

<p align="center"> <a href="https://www.npmjs.com/package/docimprint"><img src="https://img.shields.io/npm/v/docimprint?color=0ea5e9&labelColor=0a0a0a" alt="npm version" /></a> <a href="https://www.npmjs.com/package/docimprint"><img src="https://img.shields.io/npm/dm/docimprint?color=0ea5e9&labelColor=0a0a0a" alt="npm downloads" /></a> <a href="https://docimprint.com/docs"><img src="https://img.shields.io/badge/docs-docimprint.com-0ea5e9?labelColor=0a0a0a" alt="docs" /></a> <a href="https://api.docimprint.com/mcp"><img src="https://img.shields.io/badge/MCP-streamable--http-0ea5e9?labelColor=0a0a0a" alt="MCP" /></a> <a href="https://api.docimprint.com/openapi.json"><img src="https://img.shields.io/badge/OpenAPI-spec-0ea5e9?labelColor=0a0a0a" alt="OpenAPI" /></a> </p>


What is DocImprint?

DocImprint turns any PDF or URL into a tamper-evident evidence bundle — structured data, AI-cited answers, and a cryptographic proof your agents can verify independently.

Feature Description
Extract Markdown, tables, structured data, invoice parsing
Summarize & Q&A AI answers with inline citations and confidence scores
Claim-check Verify factual claims against the source document
Collections Cross-document semantic search and Q&A
Notarize On-chain attestation via Base L2 (EAS)
MCP server Native tool support for Claude, GPT, and any MCP client
x402 payments Pay per call with USDC — no account required

Install

npm install docimprint

Quick start

import { DocImprintClient } from 'docimprint'

const client = new DocImprintClient({ apiKey: 'dr_live_...' })

// Extract a PDF and get a verifiable evidence bundle
const result = await client.extract({
  source: 'https://example.com/contract.pdf',
  include: ['markdown', 'summary'],
})

console.log(result.bundle_id)        // ev_01j...
console.log(result.summary)          // AI-generated summary
console.log(result.manifest_sha256)  // tamper-evident hash

Get an API key at docimprint.com.


Methods

Core

// Extract with evidence bundle
client.extract(params: ExtractRequest): Promise<ExtractResponse>

// Verify bundle integrity — free, no auth required
client.verify(bundleId: string, quick?: boolean): Promise<VerifyResponse>

// Download bundle ZIP
client.download(bundleId: string): Promise<Response>

// Notarize on Base L2 ($0.05)
client.notarize(bundleId: string): Promise<NotarizeResponse>

// Delete bundle
client.deleteBundle(bundleId: string, opts?: { acknowledgeNotarized?: boolean }): Promise<void>

Focused endpoints

// Summarize ($0.018)
client.summarize(params: SummarizeRequest): Promise<SummarizeResponse>

// Question & answer ($0.022)
client.qa(params: QARequest): Promise<QAResponse>

// Translate ($0.040)
client.translate(params: TranslateRequest): Promise<TranslateResponse>

// Claim-check ($0.025)
client.checkClaims(params: CheckClaimsRequest): Promise<CheckClaimsResponse>

// Describe image or PDF ($0.018)
client.describe(params: DescribeRequest): Promise<DescribeResponse>

Async jobs

// Get remaining API key quota
client.getQuota(): Promise<{ credits_remaining: number; credits_total: number; resets_at: string }>

// Poll a job by ID
client.getJob(jobId: string): Promise<Job>

// List jobs with optional filters
client.listJobs(opts?: { status?, limit?, offset? }): Promise<{ jobs: Job[] }>

Collections

// Create a named collection
client.createCollection({ name: 'Q4 Contracts' }): Promise<Collection>

// List all collections
client.listCollections(): Promise<{ collections: Collection[] }>

// Add a bundle to a collection
client.addToCollection(collectionId, { bundle_id }): Promise<void>

// Semantic search across documents
client.searchCollection(collectionId, { query, limit? }): Promise<SearchCollectionResponse>

// Cross-document Q&A with citations
client.askCollection(collectionId, { question, limit? }): Promise<AskCollectionResponse>

Error handling

import { DocImprintClient, DocImprintError } from 'docimprint'

try {
  const result = await client.extract({ source: 'https://example.com/doc.pdf' })
} catch (err) {
  if (err instanceof DocImprintError) {
    console.error(err.message)    // human-readable error
    console.error(err.status)     // HTTP status code
    console.error(err.requestId)  // x-request-id for support
  }
}

Authentication

API key — monthly credits via Stripe:

const client = new DocImprintClient({ apiKey: 'dr_live_...' })

x402 USDC — pay per call, no account required. Use the raw API directly with the X-Payment header. See x402 docs.


TypeScript

All request and response types are exported:

import type {
  ExtractRequest,
  ExtractResponse,
  Job,
  Collection,
  SearchResult,
} from 'docimprint'

MCP server

DocImprint exposes a native MCP server for use with Claude, Cursor, and any MCP-compatible client:

https://api.docimprint.com/mcp

Transport: streamable-http · Auth: Bearer token (your API key)


Links

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