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Immutable trade confirmations for compliance‑first Fin‑tech apps

Regulators, auditors, and SOC 2 reviewers all ask for the same thing: unchangeable evidence of what really happened on your trading platform. Every filled order, K‑line candle, swap quote, or depth‑of‑book snapshot needs to live forever in a format nobody can edit later. Screenshots are nice for a quick look, but PDFs are safer—self‑contained, hard to tamper with, and easy to sign or hash.

How ScreenshotOne can help?

ScreenshotOne’s PDF API fits the job perfectly:

• Any source, one call. Pass a live URL or raw HTML and get back a pixel‑perfect PDF of the chart, order book, or confirmation screen—no headless browser to maintain.
• Immutable by design. Store the PDF as‑is, add a SHA‑256 hash to your ledger, and you’ve got write‑once proof that satisfies SOC 2 control CC7 and most securities‑law retention rules.
• Scales with the market. Whether you’re capturing one trade per minute or thousands per second during a crypto surge, the API queues and streams PDFs without throttling your app.

Quick start

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curl https://api.screenshotone.com/take \
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  -d access_key=<your access key> \
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  -d url=https://example.com/receipt \
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  -d format=pdf \

The call above grabs the trade‑receipt page, bakes it into an PDF with all CSS intact, and returns it.

Next step: Plug the PDF URL or hash into your audit log table, and you’re done—immutable evidence on tap for every trade your platform ever executes.