Docfila
Freemium
Small teams handling contracts and forms
Document extraction pipelines break trust the moment an auditor asks 'where exactly did the AI find that?' — and you have no answer. Ninjadoc is a cloud API built specifically for teams where the answer to that question is a hard requirement, not a nice-to-have.
Ninjadoc extracts structured JSON from PDFs and returns each field with a citation back to its source location in the original document, so every piece of data carries traceable proof. It is designed to be called from AI agent frameworks — including Claude and Cursor via MCP — which means it slots into agent pipelines without a custom wrapper. The extraction accuracy claim is built around this sourcing model: rather than summarizing, it anchors output to specific document regions. The ceiling appears when documents fall outside the structured PDF category — scanned images with low fidelity, handwritten forms, or multi-document comparison workflows push against what a single-API extraction service can handle. Teams needing cross-document reasoning or on-premises deployment hit the wall early.
Bottom line: Ninjadoc earns its place in a compliance-driven agent pipeline extracting structured data from clean PDFs — but teams that need self-hosted deployment or cross-document reasoning will be rebuilding around a different architecture inside a quarter.
Perfect for trying out the API
Great for regular document processing
For high-volume processing needs
Maximum value for large-scale operations
View full pricing on ninjadoc.ai →
Pricing may have changed since last verified. Check the official site for current plans.
Find your fit
More options in Document Q&A / PDF Chat. Compare pricing, platforms, and features side by side.
Freemium
Small teams handling contracts and forms
Freemium
Office workers handling multiple documents daily
Ninjadoc is a cloud-hosted document extraction API that takes unstructured PDFs and returns structured JSON, with each extracted field sourced back to its location in the original document. The core workflow is straightforward: send a document, receive structured data with citations attached. The vendor positions this as ‘agent-ready,’ meaning the API is designed to be invoked by autonomous AI agents rather than only by human-triggered UI actions — the MCP integration with Claude and Cursor is the clearest expression of this.
The differentiating feature is the audit trail built into every extraction. Most extraction tools return values; Ninjadoc returns values plus the evidence. For legal document review, contract processing, or any compliance workflow where a human approver needs to verify the AI’s work, that sourcing layer eliminates a manual re-verification step that otherwise falls on the team. This is not a polish feature — it is the architectural decision the whole product is built around.
Ninjadoc fits tightly into one profile: developers wiring document AI into agent pipelines where regulatory or audit requirements demand proof of extraction, not just extraction. It does not fit teams that need self-hosted deployment — the vendor offers no on-premises option. It also does not fit workflows built around scanned documents with degraded fidelity, handwritten inputs, or scenarios where extracting across multiple documents and comparing them is the primary task. Teams with those requirements will find the citation model less useful when the source fidelity is low, and will likely route to a different tool.
The API is available for integration and the vendor explicitly describes MCP-based connectivity for Claude and Cursor, making it callable from agent orchestration layers without building a custom bridge. Pricing is credit-based per operation, with no subscription required — which keeps cost proportional to usage volume but means high-throughput pipelines should model credit burn before committing.
Sign in to rate this tool or suggest an edit.