Extend

Extend is a product and shipping protection platform for merchants and ecommerce brands. Its API lets merchants surface extended-warranty and shipping-protection offers at checkout and post-purchase, create and manage protection contracts, process orders and line items, file and track claims, and manage service orders, refunds, and leads. Extend provides separate demo (sandbox) and production environments, header-based date versioning, OAuth2 client-credentials authentication with short-lived access tokens, idempotency keys on writes, and webhooks for claim and service-order status changes, alongside client-side SDKs and prebuilt commerce-platform integrations for Shopify, BigCommerce, Magento, WooCommerce, and Salesforce Commerce Cloud.

Kin Score

This is the API Evangelist rating — a single, repeatable read computed from the artifacts on this page. Green fill is points earned; the red track is points possible, so every bar shows earned-versus-possible at a glance.

How we profile Extend

Each block below is one kind of artifact we hold for Extend. For each we say what it is and why it earns a place in the profile, then list every one we've indexed — capped at two rows, scroll within the panel for the rest.

APIs 1

Each API is captured as its own OpenAPI definition — every operation, parameter, and response. This is the single most useful machine-readable description of what an API does, and it's what lets us score, lint, mock, and generate against it without asking the provider for anything.

Individual APIs this provider publishes, each with its own machine-readable definition.

Extend API

Extend's REST API for product and shipping protection: manage offers, contracts, orders and line items, refunds, claims, service orders, and leads. Header-based date versioning;...

MCP Servers 1

Model Context Protocol servers expose these APIs directly to AI agents. We profile them because agent-native access is the fastest-growing way this provider's capabilities actually get used.

Model Context Protocol servers that expose these APIs to AI agents.

extend-mcp.yml

MCP SERVER

Event Specifications 1

Not every API is request/response. AsyncAPI describes the event-driven and streaming side — the webhooks and channels — so the asynchronous half of the interface is documented the same way the synchronous half is.

AsyncAPI definitions for this provider's event-driven and streaming APIs.

Extend Webhooks

ASYNCAPI

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals — the evidence that a provider takes security seriously enough to document it. We profile it because you can't govern what you can't see.

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Extend Authentication

oauth2 · 2 schemes

SECURITY

Extend Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Every other property we hold for Extend — documentation, portals, status pages, policies, and corporate surface — grouped by the job it does, following the integrator's arc from getting started to running in production.

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