structured well

apps/PaymentOCRService/README.md

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+# Medical Billing OCR API (FastAPI)
+
+## 1) Prereqs
+- Google Cloud Vision service-account JSON.
+- `GOOGLE_APPLICATION_CREDENTIALS` env var pointing to that JSON.
+- Tesseract installed (for fallback OCR), and on PATH.
+
+## 2) Install & run (local)
+```bash
+python -m venv .venv && source .venv/bin/activate
+pip install -r requirements.txt
+export GOOGLE_APPLICATION_CREDENTIALS=/absolute/path/to/service-account.json
+uvicorn app.main:app --reload --port 8080