Documentation

Procurement Sandbox — a Procurement-compatible API. Every page below is also available as raw markdown (append .md) and indexed in /llms.txt.

• Procurement Sandbox — A Procurement-compatible parts-procurement sandbox documented for humans and AI agents.
• Quickstart — Zero to a confirmed parts order in under five minutes, copy-paste curl.
• Authentication — Exchange a pre-registered client for an org-scoped api_key, then send it with Partly-Integration-ID on every call.
• Procurement lifecycle — From vehicle prep to a confirmed order — the state machine, plus the proposed extensions beyond it.
• Webhooks — Signed, at-least-once event delivery — and exactly how to verify the HMAC signature.
• Errors — Coded, type-tagged errors written to be read by LLMs and humans alike.
• Versioning & changelog — A date-versioned API (2026-01) carried in the URL path, plus a dated changelog of Procurement Sandbox changes.
• For AI agents — How a coding agent should consume these docs and the companion Procurement MCP.
• API Reference — Every 2026-01 wire method with request/response/error schemas and a runnable curl, plus the proposed extensions.