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metadata
title: Invoice Exception Handler
emoji: 🧾
colorFrom: blue
colorTo: purple
sdk: docker
app_port: 7860
pinned: false
Invoice Exception Handler — OpenEnv
An AI agent learning environment that simulates accounts payable exception handling. The agent acts as an AP analyst: receives flagged invoices, investigates root causes, makes decisions, and closes cases. Built for the OpenEnv hackathon.
Quick Start
pip install -r requirements.txt
python app.py
# Visit http://localhost:7860
Tasks
| Task | Difficulty | Description |
|---|---|---|
| task1_price_variance | Easy | Invoice 3.08% above PO, verbal approval from procurement |
| task2_duplicate_tax | Medium | Duplicate invoice with hidden GST error correction |
| task3_compound_fraud | Hard | 4 simultaneous fraud signals including BEC attack |
API
POST /reset — Start new episode
POST /step — Execute action
GET /state — Current state
POST /grade — Grade episode
GET /health → {"status": "ok"}
Action Space
| Action | Params |
|---|---|
| inspect_field | document, field |
| cross_check | field, doc_a, doc_b |
| run_check | check_name |
| query_supplier | question, channel |
| query_internal | department, question |
| apply_rule | rule_id |
| make_decision | decision, reason |
| route_to | team, notes |
| close_case | summary |
Environment Variables
| Variable | Default |
|---|---|
| API_BASE_URL | https://router.huggingface.co/v1 |
| MODEL_NAME | Qwen/Qwen2.5-72B-Instruct |
| HF_TOKEN | (required for inference) |