“payments”
Idempotency Keys in Agent Payment Loops: Retry Without Double-Charge
The full lifecycle of a payment idempotency key inside an agentic retry loop: mint it per logical intent, persist it before the tool call, replay stored results, scope and fingerprint keys, and reconcile for double charges.
Handling Declined Payments in Agent Workflows: Recovery Flows That Learn
Stripe decline codes map to specific recovery actions — trigger 3DS, retry a bounded number of times, request a new payment method, or stay silent.
PCI Compliance for Agentic Checkout: Tokenization and Scope Reduction
What the PCI DSS actually requires when an AI agent performs checkout on behalf of a user, how Stripe-hosted flows shrink your scope to SAQ A, and the key-handling and idempotency rules that keep retries safe.
Mobile E-Commerce: A Flutter Shop with Stripe
Build a production-ready mobile e-commerce checkout in Flutter with the flutter_stripe SDK: server-side PaymentIntent creation, the prebuilt PaymentSheet, and full success and error handling.
Payment Integration: Stripe Checkout for Developers
How to integrate Stripe Checkout into a web app — server-side session creation with the Stripe SDK, redirecting customers, verifying webhooks for payment success, and running subscriptions.
The A2A Economy: Integrating Crypto Payments with Gemini 3 Agent Services
How to build autonomous agents that can pay each other for services using cryptocurrency in the Gemini 3 ecosystem.
Protocol-Neutral Agentic Commerce and Payment Orchestration for ADK-Rust
Introducing adk-payments, a protocol-neutral agentic commerce and payment orchestration for ADK-Rust.