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.

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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)