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title: Business APIs
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portal_url: https://docs.salesforce.com/developer/current/en-us/industries/advanced-orders-for-telesales/references/business-apis.md
canonical_url: https://developer.salesforce.com/docs/industries/advanced-orders-for-telesales/references/advanced-orders-for-telesales-rest/business-apis.html
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  - Advanced Orders for Telesales Developer Guide
  - Industries Developer Documentation
---
# Business APIs

Use the Advanced Order Business APIs to browse assortments and products, get a customer's previously ordered products and valid delivery dates, and place orders in a single request. Each resource supports the POST method.

You can access the Advanced Order Business APIs using REST endpoints. These REST APIs follow similar conventions as Connect REST APIs. To understand the architecture, authentication, rate limits, and how the requests and responses work, see the [Connect REST API Developer Guide](https://developer.salesforce.com/docs/atlas.en-us.chatterapi.meta/chatterapi/intro_what_is_chatter_connect.htm).

The Advanced Order Business APIs include:

- [Resources](https://developer.salesforce.com/docs/industries/advanced-orders-for-telesales/references/advanced-orders-for-telesales-rest/resources.md)—The Advanced Order resources and the endpoints they support.
- [Request Bodies](https://developer.salesforce.com/docs/industries/advanced-orders-for-telesales/references/advanced-orders-for-telesales-rest/request-bodies.md)—The request body representations that the resources accept.
- [Response Bodies](https://developer.salesforce.com/docs/industries/advanced-orders-for-telesales/references/advanced-orders-for-telesales-rest/response-bodies.md)—The response body representations that the resources return.