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DocImprint

DocImprint is a verifiable document memory API that lets AI agents capture, verify, and cite documents as tamper-evident evidence bundles with SHA-256 and Merkle proofs.

An evidence bundle (ev_...) laid out — manifest.json, signature.json, chunks.merkle.json, and captured artifacts. Every DocImprint result is a self-contained, tamper-evident package.

Cost / License

  • Freemium (Subscription)
  • Proprietary

Platforms

  • Online
  • Software as a Service (SaaS)
Merkle proofs for document chunks: each PDF is split into chunks, hashed into a Merkle tree, and committed in the manifest — so any citation can be proven against the source in ~320 bytes.
A real API response: cited answers with exact source quotes, paragraph refs, confidence scores, artifact hashes, and an EIP-191 signature — structured output your agent can trust.
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Pay-per-call with x402: agents settle in USDC on Base straight from a wallet — no account, no API key, no signup. From $0.01 per call.
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Features

  1.  Model Context Protocol (MCP) Support

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DocImprint information

  • Developed by

    US flagSawftware

  • Licensing

    Proprietary and Freemium product.

  • Pricing

    Subscription ranging between $29 and $100 per month + free version with limited functionality.

  • Alternatives

    3 alternatives listed

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  • Supported Languages

    • English

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What is DocImprint?

DocImprint is a verifiable document memory API built for AI agents. Instead of returning opaque LLM extractions with no citations or integrity guarantees, DocImprint packages every result as a tamper-evident evidence bundle — structured data with SHA-256 artifact hashes, line-level citations, EIP-191 signed manifests, and Merkle citation proofs (~320 bytes, O(log n)) that can be verified offline for free.

Key features:

• Verifiable memory — every document an agent touches becomes a cryptographically auditable capture, not just an embedding. • Citation-grounded results — line-level citations backed by Merkle proofs, so every claim is traceable to its source. • Offline verification — anyone can independently verify a bundle without contacting DocImprint's servers. • MCP-native — a native MCP server (20 tools + guided prompts) works out of the box with Claude, Cursor, and any MCP-compatible client. • Pay-per-call for agents — x402 HTTP 402 micropayments in USDC on Base ($0.010–$0.075 per call) with no signup required, plus Stripe API-key plans for teams. • Optional on-chain anchoring — notarize bundles on Base L2 via EAS for legal hold and immutable audit trails. Official SDKs — TypeScript & Python:

  • TypeScript SDK (npm install docimprint) — a fully typed client for Node.js agents and apps, with async jobs, webhooks, idempotency keys, and all request/response types exported.
  • Python SDK (pip install docimprint) — a REST client plus an optional CrewAI integration (pip install "docimprint[crewai]") that ships 10 purpose-built CrewAI tools, a ProvenanceTracker, and multi-agent handoff tracking for building compliance-ready agent workflows.

Both SDKs are open source (MIT) and cover the full API: extract, summarize, Q&A, claim-check, translate, structured extraction, collections/RAG, verify, and notarize. There's also a REST API and OpenAPI spec for any other language.

The API runs on Cloudflare Workers with R2 artifact storage. DocImprint is built by Sawftware LLC, a Delaware-registered software company focused on developer-first infrastructure for AI-native applications.

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