---
title: "For Developers: The API"
description: "The same operations the assistants use are OData services with the same sign-in; where the contract is published and what this portal does not cover."
source: "https://help.rikaiso.com/public-cloud/2026.2/developer-api"
edition: "public-cloud"
editionLabel: "S/4HANA Public Cloud"
version: "2026.2"
latest: true
language: "en"
section: "Working with AI Assistants"
updated: "2026-11-05"
---

# For Developers: The API

> The same operations the assistants use are OData services with the same sign-in; where the contract is published and what this portal does not cover.

> **Draft brief for authors.** One page with pointers, not a developer guide.

**Page type:** Reference · **Audience:** Developer, Integration owner

**Contains**

- The services and the MCP server share one contract; sign-in with a bearer token of the subaccount's XSUAA; coded errors.
- Where the contract is published (`docs/headless-api.md`, the published tool schema catalog); what this portal does not cover.

**Related information:** `tool-reference`, `service-broker-credentials`.

**Source in the product repository:** `docs/headless-api.md`, `docs/mcp-tool-schemas.json`.