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Refund & Apology Writer

Refund decisioning agent for ecommerce and customer support workflows.

Fee refund logic

TaxAdapter for TaxJar. Calculates sales tax, files transactions, and voids them on refund.

Returns / RMA workflow and refund-calculation engine — partial refunds with correct tax apportionment, restocking fees, restock lists and a return state machine. Integer minor units, zero-dependency, isomorphic.

SELAT refund-claim policy wrapper over @selat-ai/siwx-lib: eip155-only gate, refund binding, field validation, and Circle SCA verification (on-chain EIP-1271 + deployless).

Core JavaScript/TypeScript library for integrating Spot's refund guarantee widget into your applications.

The $0.01 refundable-hold pattern as drop-in Express middleware — charge a hold, auto-refund on failure, ledger included

Oneview backend for order modification and refund

Client SDK for verifying zkLicensing software licenses. Calls the keeper during the on-chain refund window, then verifies fully offline.

MCP server that lets an AI agent check a price change, inventory update, order, fulfillment step, promotion, refund or return against your margin, stock and refund policy before it acts, authorize Dynamics 365 transactions within an agent budget, and read

refund for winning-micro-project

The payment transaction lifecycle: one entity with its own history, three services that create, refresh and refund it, and the two contracts every payment provider fulfils.

Escrow plugin for TON Agent Kit: create, fund, release, and refund escrow deals

Monitoring, verification, and refund SDK for x402 payment endpoints

Durable Stripe tasks for Render Workflows: stripe.getFailedInvoice/retryCharge/dunningStep/refund.

Server-side refund policy checks between an AI tool call and your refund provider.

Server half of the vendor-agnostic payments platform: normalized charge/refund/webhook model behind per-provider adapters (Stone, InfinitePay, Stripe, ...), merchant-scoped credential settings with masking, fetch-native HTTP handlers, hexagonal storage po

Shopify MCP server — full store management (products, orders incl. fulfil/refund, customers, inventory) over the Admin GraphQL API with Alfe OAuth credentials