Spending policy engine for AI agent x402 micropayments — session keys, ERC-8004 trust scoring, gasless relay
Project description
x402-policy
Spending policy engine for AI agent x402 micropayments.
Session keys · ERC-8004 trust scoring · Cross-chain TAP resolver · Gasless relay
pip install x402-policy
Quick Start
from x402_policy import PolicyEngine, SpendingPolicy, X402Client
# Set spending rules once
policy = SpendingPolicy(
daily_budget_usd=5.0,
max_per_call_usd=0.10,
min_trust_score=0.7,
)
# Agent pays autonomously within policy
client = X402Client(policy=policy, check_reputation=True)
result = await client.pay("https://api.example.com/data", amount_usd=0.01)
Features
- Spending policies — daily budgets, per-call caps, allowlists, kill-switch
- Session keys — sign once, agent pays freely within cap + time window
- ERC-8004 trust scoring — query on-chain agent reputation before paying
- TAP resolver — aggregate identity across 23+ chains into one score
- CLI —
x402-policy trust-score 0xABC...
CLI
x402-policy trust-score 0xABC123...
x402-policy session-create my-bot --budget 5.0
x402-policy check 0xABC123 0.05
Links
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