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Guide Shows How to Build a Rust Client for Detecting Structural PDF Tampering

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A tutorial explains how to integrate a PDF tamper detection REST API into a Rust service using reqwest, serde, and related crates. The API checks a file's structure and metadata for signs of post-creation editing, without verifying the sender's identity or the document's authenticity. The client exposes two endpoints: a POST that submits a PDF URL and returns a check ID, and a GET that returns an intact, modified, or inconclusive status. The guide recommends sending idempotency keys and retrying only specific transient errors, and it notes that the API flags every verdict as unsuitable for automated adverse decisions. Equivalent integrations are described for several other languages and frameworks.

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