# Extend API

**Canonical:** https://apis.io/apis/extend/extend-api/  
**Provider:** Extend — https://apis.io/providers/extend/  
**Base URL:** https://api.helloextend.com  
**Documentation:** https://docs.extend.com/docs/getting-started-with-extends-api

Extend API is published by [Extend](https://apis.io/providers/extend/) on the [APIs.io](https://apis.io/) network. Tagged areas include Product Protection, Shipping Protection, Warranty, and E-Commerce. The published artifact set on APIs.io includes an API reference.

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; OAuth2 client-credentials auth via the X-Extend-Access-Token header; idempotent writes via X-Idempotency-Key.

## Machine-readable artifacts (3)

- **APIReference** — https://docs.extend.com/reference
- **Sandbox** — https://api-demo.helloextend.com
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/extend/refs/heads/main/apis.yml

## Tags

Product Protection, Shipping Protection, Warranty, E-Commerce

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/extend/extend-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/extend/.