API/MCP Reference

REST API and MCP server reference for the Apex ERP integration surface

Base URL

/api/v1

Authentication

None — the API is open in the current build. Do not expose it publicly without adding auth.

Content type

application/json

Pagination

List endpoints return { data, nextCursor }. Pass cursor for the next page; limit defaults to 50 (max 200).

Upsert by external ID

Add ?upsertOn=salesforceId to a POST to update-or-create by Salesforce External ID.

Errors

Failures return { error: { code, message } }; validation errors add a fields array.