System Design
Marketplace Payment Flow
Buyer → fraud detection → Stripe → fund splitting → seller payout with T+1 settlement
AI Prompt
“Draw the payment processing flow for a marketplace: buyer submits payment → API gateway → fraud detection service → payment processor (Stripe) → fund splitting between platform and seller → payout to seller bank account with T+1 settlement.”
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Refine it with follow-up prompts
After generating the base diagram, use these prompts to iterate and add detail — the same way a real architect would refine a whiteboard sketch.
- 1
“Add the Stripe webhook path for async events”
Try this follow-up - 2
“Show the refund flow including partial refunds”
Try this follow-up - 3
“Add PCI DSS scope boundary showing what's in vs out of scope”
Try this follow-up
How AIDrawIO generates this diagram
- 1.You paste the prompt above into the chat input.
- 2.AIDrawIO sends it to your chosen AI model (Claude or Gemini).
- 3.The model returns draw.io-compatible XML — rendered instantly in the canvas.
- 4.Export as SVG, PNG, or XML. Edit any element manually or with follow-up prompts.
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System DesignURL Shortener at Scale100K writes/sec, 1M reads/sec — Snowflake IDs, Redis cache, Cassandra, CDNSystem DesignPayment Processing Architecture PatternA buyer payment flow where the application sends a transaction through fraud checks and a payment processor, then handles asynchronous webhooks, settlement, refunds, and seller payouts.System DesignMicroservices System Design PatternA distributed application made of multiple domain services behind a gateway, with a mix of synchronous API calls and asynchronous events across data stores, caches, and queues.