v0.3.0
paybond-kit Python v0.3.0
This release adds x402 / USDC-on-Base funding support to the Python SDK and expands the tenant-scoped intent helpers for settlement-rail-aware flows.
Highlights
- Added
HarborClient.fund_intent(...)forPOST /intents/{intent_id}/fund - Added structured funding models for x402 responses, including
402 Payment Requiredflows - Added
SettlementRailvalidation for intent creation and funding responses - Expanded
PaybondIntentswith settlement-rail-awarecreate(...)and x402fund(...)helpers - Updated docs to clarify that
settlement_railrequests a rail, not a destination - Added tests for x402 challenge handling and invalid settlement rail rejection
Notes
- Supported settlement rails now include
stripe_connectandx402_usdc_base - Stripe destinations and x402 receive addresses remain tenant-owned server-side configuration
- Published artifacts include both the source distribution and the bundled native wheel
Install
pip install "paybond-kit[agents,langgraph]"